./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2492145336

<...>
Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts.
execve("./syz-executor2492145336", ["./syz-executor2492145336"], 0x7ffd6ec01930 /* 10 vars */) = 0
brk(NULL)                               = 0x555555967000
brk(0x555555967d40)                     = 0x555555967d40
arch_prctl(ARCH_SET_FS, 0x5555559673c0) = 0
set_tid_address(0x555555967690)         = 5027
set_robust_list(0x5555559676a0, 24)     = 0
rseq(0x555555967ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2492145336", 4096) = 28
getrandom("\xde\xf0\x21\x46\x00\x0a\xaa\x92", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555967d40
brk(0x555555988d40)                     = 0x555555988d40
brk(0x555555989000)                     = 0x555555989000
mprotect(0x7f329b563000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mkdir("./syzkaller.BOFV2V", 0700)       = 0
chmod("./syzkaller.BOFV2V", 0777)       = 0
chdir("./syzkaller.BOFV2V")             = 0
mkdir("./0", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5028
./strace-static-x86_64: Process 5028 attached
[pid  5028] set_robust_list(0x5555559676a0, 24) = 0
[pid  5028] chdir("./0")                = 0
[pid  5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5028] setpgid(0, 0)               = 0
[pid  5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5028] write(3, "1000", 4)         = 4
[pid  5028] close(3)                    = 0
[pid  5028] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5028] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5028] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5028] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5030 attached
 => {parent_tid=[5030]}, 88) = 5030
[pid  5028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5030] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5028] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5030] <... rseq resumed>)         = 0
[pid  5030] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5028] <... futex resumed>)        = 0
[pid  5030] <... set_robust_list resumed>) = 0
[pid  5028] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5030] memfd_create("syzkaller", 0) = 3
[pid  5030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5030] munmap(0x7f329307d000, 524288) = 0
[pid  5030] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5030] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5030] close(3)                    = 0
[pid  5030] mkdir("./bus", 0777)        = 0
[   56.203633][ T5030] syz-executor249[5030]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[   56.224034][ T5030] loop0: detected capacity change from 0 to 1024
[   56.233651][ T5030] =======================================================
[   56.233651][ T5030] WARNING: The mand mount option has been deprecated and
[pid  5030] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5030] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5030] chdir("./bus")              = 0
[pid  5030] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5030] close(4)                    = 0
[pid  5030] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5030] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] <... futex resumed>)        = 0
[pid  5028] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5030] <... futex resumed>)        = 0
[pid  5028] <... futex resumed>)        = 1
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5028] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5030] <... rename resumed>)       = 0
[pid  5028] <... futex resumed>)        = 0
[pid  5028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5028] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5031 attached
 => {parent_tid=[5031]}, 88) = 5031
[pid  5028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5028] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5028] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5031] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 4
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 5
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5031] <... creat resumed>)        = 6
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 7
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 8
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 9
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 10
[pid  5031] creat("./file1", 000)       = 11
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000)       = 12
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[   56.233651][ T5030]          and is ignored by this kernel. Remove the mand
[   56.233651][ T5030]          option from the mount to silence this warning.
[   56.233651][ T5030] =======================================================
[pid  5031] creat("./file1", 000)       = 13
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000)       = 14
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5031] <... creat resumed>)        = 15
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] <... creat resumed>)        = 16
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 17
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 18
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus" <unfinished ...>
[pid  5031] <... creat resumed>)        = 19
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5030] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5030] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5030] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5031] <... creat resumed>)        = 20
[pid  5031] creat("./file1", 000)       = 21
[pid  5031] creat("./file1", 000)       = 22
[pid  5031] creat("./file1", 000)       = 23
[pid  5031] creat("./file1", 000)       = 24
[pid  5031] creat("./file1", 000)       = 25
[pid  5031] creat("./file1", 000)       = 26
[pid  5031] creat("./file1", 000)       = 27
[pid  5031] creat("./file1", 000)       = 28
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5028] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5031] <... creat resumed>)        = 29
[pid  5028] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid  5031] creat("./file1", 000 <unfinished ...>
[pid  5028] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5031] <... creat resumed>)        = 30
[pid  5031] creat("./file1", 000)       = 31
[pid  5031] creat("./file1", 000)       = 32
[pid  5031] creat("./file1", 000)       = 33
[pid  5031] creat("./file1", 000)       = 34
[pid  5031] creat("./file1", 000)       = 35
[pid  5031] creat("./file1", 000)       = 36
[pid  5031] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5031] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] exit_group(0)               = ?
[pid  5031] <... futex resumed>)        = ?
[pid  5030] <... futex resumed>)        = ?
[pid  5031] +++ exited with 0 +++
[pid  5030] +++ exited with 0 +++
[pid  5028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5028, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./0/bus")                        = 0
umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./0")                            = 0
mkdir("./1", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5032
./strace-static-x86_64: Process 5032 attached
[pid  5032] set_robust_list(0x5555559676a0, 24) = 0
[pid  5032] chdir("./1")                = 0
[pid  5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5032] setpgid(0, 0)               = 0
[pid  5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5032] write(3, "1000", 4)         = 4
[pid  5032] close(3)                    = 0
[pid  5032] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5032] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5032] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5032] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5033]}, 88) = 5033
[pid  5032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5032] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5032] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5033 attached
 <unfinished ...>
[pid  5033] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5033] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5033] memfd_create("syzkaller", 0) = 3
[   56.357064][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5033] munmap(0x7f329307d000, 524288) = 0
[pid  5033] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5033] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5033] close(3)                    = 0
[pid  5033] mkdir("./bus", 0777)        = 0
[pid  5033] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5033] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5033] chdir("./bus")              = 0
[pid  5033] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5033] close(4)                    = 0
[pid  5033] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5033] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5032] <... futex resumed>)        = 0
[pid  5032] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5032] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5033] <... futex resumed>)        = 0
[pid  5032] <... futex resumed>)        = 0
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5033] <... rename resumed>)       = 0
[pid  5032] <... mmap resumed>)         = 0x7f32930dc000
[pid  5032] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5034 attached
 <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5032] <... clone3 resumed> => {parent_tid=[5034]}, 88) = 5034
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5032] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5032] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5034] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5032] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5034] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... set_robust_list resumed>) = 0
[pid  5032] <... futex resumed>)        = 0
[pid  5034] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5032] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5034] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 4
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5034] creat("./file1", 000)       = 5
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 6
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5034] <... creat resumed>)        = 7
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 8
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000)       = 9
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 10
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 11
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 12
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 13
[   56.427348][ T5033] loop0: detected capacity change from 0 to 1024
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 14
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] <... creat resumed>)        = 15
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5034] <... creat resumed>)        = 16
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5034] <... creat resumed>)        = 17
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5034] <... creat resumed>)        = 18
[pid  5033] rename("./file1", "./bus" <unfinished ...>
[pid  5034] creat("./file1", 000 <unfinished ...>
[pid  5033] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5033] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5033] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5034] <... creat resumed>)        = 19
[pid  5034] creat("./file1", 000)       = 20
[pid  5034] creat("./file1", 000)       = 21
[pid  5034] creat("./file1", 000)       = 22
[pid  5034] creat("./file1", 000)       = 23
[pid  5034] creat("./file1", 000)       = 24
[pid  5034] creat("./file1", 000)       = 25
[pid  5034] creat("./file1", 000)       = 26
[pid  5034] creat("./file1", 000)       = 27
[pid  5034] creat("./file1", 000)       = 28
[pid  5034] creat("./file1", 000)       = 29
[pid  5034] creat("./file1", 000)       = 30
[pid  5034] creat("./file1", 000)       = 31
[pid  5034] creat("./file1", 000)       = 32
[pid  5034] creat("./file1", 000)       = 33
[pid  5034] creat("./file1", 000)       = 34
[pid  5034] creat("./file1", 000)       = 35
[pid  5034] creat("./file1", 000)       = 36
[pid  5034] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5032] <... futex resumed>)        = 0
[pid  5034] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5032] exit_group(0)               = ?
[pid  5034] <... futex resumed>)        = ?
[pid  5033] <... futex resumed>)        = ?
[pid  5034] +++ exited with 0 +++
[pid  5033] +++ exited with 0 +++
[pid  5032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5032, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./1/bus")                        = 0
umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./1/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./1")                            = 0
mkdir("./2", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5035
./strace-static-x86_64: Process 5035 attached
[pid  5035] set_robust_list(0x5555559676a0, 24) = 0
[pid  5035] chdir("./2")                = 0
[pid  5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5035] setpgid(0, 0)               = 0
[pid  5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5035] write(3, "1000", 4)         = 4
[pid  5035] close(3)                    = 0
[pid  5035] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5035] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5035] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5035] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5036 attached
 <unfinished ...>
[pid  5036] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5036] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5035] <... clone3 resumed> => {parent_tid=[5036]}, 88) = 5036
[pid  5036] <... set_robust_list resumed>) = 0
[pid  5035] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5036] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5035] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5035] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5036] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5035] <... futex resumed>)        = 0
[pid  5035] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5036] memfd_create("syzkaller", 0) = 3
[pid  5036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[   56.515696][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5036] munmap(0x7f329307d000, 524288) = 0
[pid  5036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5036] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5036] close(3)                    = 0
[pid  5036] mkdir("./bus", 0777)        = 0
[pid  5036] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5036] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5036] chdir("./bus")              = 0
[pid  5036] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5036] close(4)                    = 0
[pid  5036] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5035] <... futex resumed>)        = 0
[pid  5036] <... futex resumed>)        = 1
[pid  5035] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5036] rename("./file1", "./bus" <unfinished ...>
[pid  5035] <... futex resumed>)        = 0
[pid  5035] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5035] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5036] <... rename resumed>)       = 0
./strace-static-x86_64: Process 5037 attached
[pid  5037] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5035] <... clone3 resumed> => {parent_tid=[5037]}, 88) = 5037
[pid  5037] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5035] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5037] <... set_robust_list resumed>) = 0
[pid  5036] rename("./file1", "./bus" <unfinished ...>
[pid  5035] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5037] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5036] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5035] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5035] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5037] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5036] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5036] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5037] creat("./file1", 000)       = 4
[pid  5037] creat("./file1", 000)       = 5
[pid  5037] creat("./file1", 000)       = 6
[pid  5037] creat("./file1", 000)       = 7
[pid  5037] creat("./file1", 000)       = 8
[pid  5037] creat("./file1", 000)       = 9
[pid  5037] creat("./file1", 000)       = 10
[pid  5037] creat("./file1", 000)       = 11
[pid  5037] creat("./file1", 000)       = 12
[pid  5037] creat("./file1", 000)       = 13
[pid  5037] creat("./file1", 000)       = 14
[pid  5037] creat("./file1", 000)       = 15
[pid  5037] creat("./file1", 000)       = 16
[pid  5037] creat("./file1", 000)       = 17
[pid  5037] creat("./file1", 000)       = 18
[   56.578264][ T5036] loop0: detected capacity change from 0 to 1024
[pid  5037] creat("./file1", 000)       = 19
[pid  5037] creat("./file1", 000)       = 20
[pid  5037] creat("./file1", 000)       = 21
[pid  5037] creat("./file1", 000)       = 22
[pid  5037] creat("./file1", 000)       = 23
[pid  5037] creat("./file1", 000)       = 24
[pid  5037] creat("./file1", 000)       = 25
[pid  5037] creat("./file1", 000)       = 26
[pid  5037] creat("./file1", 000)       = 27
[pid  5037] creat("./file1", 000)       = 28
[pid  5037] creat("./file1", 000)       = 29
[pid  5037] creat("./file1", 000)       = 30
[pid  5037] creat("./file1", 000)       = 31
[pid  5037] creat("./file1", 000)       = 32
[pid  5037] creat("./file1", 000 <unfinished ...>
[pid  5035] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5037] <... creat resumed>)        = 33
[pid  5035] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5035] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5037] creat("./file1", 000)       = 34
[pid  5037] creat("./file1", 000)       = 35
[pid  5037] creat("./file1", 000)       = 36
[pid  5037] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5037] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5035] exit_group(0)               = ?
[pid  5037] <... futex resumed>)        = ?
[pid  5036] <... futex resumed>)        = ?
[pid  5036] +++ exited with 0 +++
[pid  5037] +++ exited with 0 +++
[pid  5035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5035, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./2/bus")                        = 0
umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./2/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./2")                            = 0
mkdir("./3", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5038 attached
, child_tidptr=0x555555967690) = 5038
[pid  5038] set_robust_list(0x5555559676a0, 24) = 0
[pid  5038] chdir("./3")                = 0
[pid  5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5038] setpgid(0, 0)               = 0
[pid  5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5038] write(3, "1000", 4)         = 4
[pid  5038] close(3)                    = 0
[pid  5038] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5038] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5038] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5038] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5039]}, 88) = 5039
[pid  5038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5038] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5038] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5039 attached
 <unfinished ...>
[pid  5039] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5039] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5039] memfd_create("syzkaller", 0) = 3
[pid  5039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5039] munmap(0x7f329307d000, 524288) = 0
[pid  5039] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   56.666841][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5039] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5039] close(3)                    = 0
[pid  5039] mkdir("./bus", 0777)        = 0
[pid  5039] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5039] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5039] chdir("./bus")              = 0
[pid  5039] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5039] close(4)                    = 0
[pid  5039] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5038] <... futex resumed>)        = 0
[pid  5039] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5038] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5038] <... futex resumed>)        = 0
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5038] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5039] <... rename resumed>)       = 0
[pid  5038] <... futex resumed>)        = 0
[pid  5038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5038] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5039] rename("./file1", "./bus"./strace-static-x86_64: Process 5040 attached
)  = -1 ENOENT (No such file or directory)
[pid  5040] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5038] <... clone3 resumed> => {parent_tid=[5040]}, 88) = 5040
[pid  5040] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5038] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5040] <... set_robust_list resumed>) = 0
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5038] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5040] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5038] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5040] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5038] <... futex resumed>)        = 0
[pid  5040] creat("./file1", 000 <unfinished ...>
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5038] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5040] <... creat resumed>)        = 4
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 5
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000 <unfinished ...>
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5040] <... creat resumed>)        = 6
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 7
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 8
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5040] creat("./file1", 000)       = 9
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 10
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 11
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 12
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 13
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 14
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 15
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 16
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 17
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 18
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5040] creat("./file1", 000)       = 19
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 20
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 21
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 22
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5040] creat("./file1", 000 <unfinished ...>
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5040] <... creat resumed>)        = 23
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 24
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 25
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 26
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 27
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 28
[pid  5039] rename("./file1", "./bus" <unfinished ...>
[pid  5040] creat("./file1", 000 <unfinished ...>
[pid  5039] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5040] <... creat resumed>)        = 29
[pid  5039] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5040] creat("./file1", 000)       = 30
[pid  5039] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5039] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5040] creat("./file1", 000)       = 31
[pid  5040] creat("./file1", 000)       = 32
[pid  5040] creat("./file1", 000)       = 33
[pid  5040] creat("./file1", 000)       = 34
[pid  5040] creat("./file1", 000)       = 35
[pid  5040] creat("./file1", 000)       = 36
[   56.725343][ T5039] loop0: detected capacity change from 0 to 1024
[pid  5040] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5038] <... futex resumed>)        = 0
[pid  5038] exit_group(0)               = ?
[pid  5039] <... futex resumed>)        = ?
[pid  5039] +++ exited with 0 +++
[pid  5040] <... futex resumed>)        = ?
[pid  5040] +++ exited with 0 +++
[pid  5038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5038, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./3/bus")                        = 0
umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./3/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./3")                            = 0
mkdir("./4", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5041 attached
, child_tidptr=0x555555967690) = 5041
[pid  5041] set_robust_list(0x5555559676a0, 24) = 0
[pid  5041] chdir("./4")                = 0
[pid  5041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5041] setpgid(0, 0)               = 0
[pid  5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5041] write(3, "1000", 4)         = 4
[pid  5041] close(3)                    = 0
[pid  5041] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5041] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5041] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5041] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5042]}, 88) = 5042
[pid  5041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5041] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5041] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5042 attached
 <unfinished ...>
[pid  5042] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5042] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5042] memfd_create("syzkaller", 0) = 3
[pid  5042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5042] munmap(0x7f329307d000, 524288) = 0
[pid  5042] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   56.799560][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5042] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5042] close(3)                    = 0
[pid  5042] mkdir("./bus", 0777)        = 0
[pid  5042] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5042] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5042] chdir("./bus")              = 0
[pid  5042] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5042] close(4)                    = 0
[pid  5042] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5042] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5041] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5041] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5042] <... futex resumed>)        = 0
[pid  5041] <... futex resumed>)        = 0
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5041] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5041] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5042] <... rename resumed>)       = 0
[pid  5041] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5043 attached
 => {parent_tid=[5043]}, 88) = 5043
[pid  5042] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5041] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5041] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5043] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5041] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5041] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 4
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 5
[pid  5043] creat("./file1", 000)       = 6
[pid  5043] creat("./file1", 000)       = 7
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 8
[pid  5043] creat("./file1", 000)       = 9
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 10
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 11
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 12
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 13
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000)       = 14
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 15
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 16
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 17
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 18
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 19
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 20
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 21
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 22
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 23
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   56.847334][ T5042] loop0: detected capacity change from 0 to 1024
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 24
[pid  5043] creat("./file1", 000)       = 25
[pid  5043] creat("./file1", 000)       = 26
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 27
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 28
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 29
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 30
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] <... creat resumed>)        = 31
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 32
[pid  5043] creat("./file1", 000)       = 33
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000)       = 34
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 35
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] creat("./file1", 000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... creat resumed>)        = 36
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5043] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5043] <... futex resumed>)        = 1
[pid  5042] rename("./file1", "./bus" <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5043] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5042] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5042] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5042] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5042] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] exit_group(0 <unfinished ...>
[pid  5043] <... futex resumed>)        = ?
[pid  5042] <... futex resumed>)        = ?
[pid  5043] +++ exited with 0 +++
[pid  5042] +++ exited with 0 +++
[pid  5041] <... exit_group resumed>)   = ?
[pid  5041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./4/bus")                        = 0
umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./4/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./4")                            = 0
mkdir("./5", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5044
./strace-static-x86_64: Process 5044 attached
[pid  5044] set_robust_list(0x5555559676a0, 24) = 0
[pid  5044] chdir("./5")                = 0
[pid  5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5044] setpgid(0, 0)               = 0
[pid  5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5044] write(3, "1000", 4)         = 4
[pid  5044] close(3)                    = 0
[pid  5044] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5044] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5044] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5044] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5045 attached
 <unfinished ...>
[pid  5045] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5044] <... clone3 resumed> => {parent_tid=[5045]}, 88) = 5045
[pid  5045] <... rseq resumed>)         = 0
[pid  5044] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5045] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5044] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5045] <... set_robust_list resumed>) = 0
[pid  5044] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5045] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5044] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5045] memfd_create("syzkaller", 0) = 3
[pid  5045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5045] munmap(0x7f329307d000, 524288) = 0
[pid  5045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   56.935113][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5045] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5045] close(3)                    = 0
[pid  5045] mkdir("./bus", 0777)        = 0
[pid  5045] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5045] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5045] chdir("./bus")              = 0
[pid  5045] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5045] close(4)                    = 0
[pid  5045] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5045] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5044] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] <... futex resumed>)        = 0
[pid  5044] <... futex resumed>)        = 1
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5045] <... rename resumed>)       = 0
[pid  5044] <... mmap resumed>)         = 0x7f32930dc000
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] <... mprotect resumed>)     = 0
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5044] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5045] rename("./file1", "./bus"./strace-static-x86_64: Process 5046 attached
)  = -1 ENOENT (No such file or directory)
[pid  5046] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5044] <... clone3 resumed> => {parent_tid=[5046]}, 88) = 5046
[pid  5046] <... rseq resumed>)         = 0
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5044] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5046] <... set_robust_list resumed>) = 0
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5046] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5044] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5044] <... futex resumed>)        = 0
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 4
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5044] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 5
[pid  5046] creat("./file1", 000)       = 6
[pid  5046] creat("./file1", 000)       = 7
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 8
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] creat("./file1", 000)       = 9
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 10
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] <... creat resumed>)        = 11
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] creat("./file1", 000)       = 12
[pid  5046] creat("./file1", 000)       = 13
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 14
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 15
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 16
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 17
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 18
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 19
[pid  5046] creat("./file1", 000)       = 20
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 21
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 22
[pid  5046] creat("./file1", 000 <unfinished ...>
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] rename("./file1", "./bus" <unfinished ...>
[pid  5046] <... creat resumed>)        = 23
[pid  5045] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5045] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5045] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] creat("./file1", 000)       = 24
[   56.993819][ T5045] loop0: detected capacity change from 0 to 1024
[pid  5046] creat("./file1", 000)       = 25
[pid  5046] creat("./file1", 000)       = 26
[pid  5046] creat("./file1", 000)       = 27
[pid  5046] creat("./file1", 000)       = 28
[pid  5046] creat("./file1", 000)       = 29
[pid  5046] creat("./file1", 000)       = 30
[pid  5046] creat("./file1", 000)       = 31
[pid  5046] creat("./file1", 000)       = 32
[pid  5046] creat("./file1", 000)       = 33
[pid  5046] creat("./file1", 000)       = 34
[pid  5046] creat("./file1", 000)       = 35
[pid  5046] creat("./file1", 000)       = 36
[pid  5046] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5044] exit_group(0 <unfinished ...>
[pid  5046] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  5045] <... futex resumed>)        = ?
[pid  5044] <... exit_group resumed>)   = ?
[pid  5046] +++ exited with 0 +++
[pid  5045] +++ exited with 0 +++
[pid  5044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./5/bus")                        = 0
umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./5/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./5")                            = 0
mkdir("./6", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5047 attached
, child_tidptr=0x555555967690) = 5047
[pid  5047] set_robust_list(0x5555559676a0, 24) = 0
[pid  5047] chdir("./6")                = 0
[pid  5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5047] setpgid(0, 0)               = 0
[pid  5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5047] write(3, "1000", 4)         = 4
[pid  5047] close(3)                    = 0
[pid  5047] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5047] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5047] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5047] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5048 attached
 => {parent_tid=[5048]}, 88) = 5048
[pid  5048] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5047] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5047] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5048] <... rseq resumed>)         = 0
[pid  5048] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5048] memfd_create("syzkaller", 0) = 3
[pid  5048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5048] munmap(0x7f329307d000, 524288) = 0
[pid  5048] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   57.071436][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5048] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5048] close(3)                    = 0
[pid  5048] mkdir("./bus", 0777)        = 0
[pid  5048] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5048] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5048] chdir("./bus")              = 0
[pid  5048] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5048] close(4)                    = 0
[pid  5048] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5047] <... futex resumed>)        = 0
[pid  5047] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] rename("./file1", "./bus")  = 0
[pid  5047] <... futex resumed>)        = 0
[pid  5047] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5047] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5047] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5047] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
./strace-static-x86_64: Process 5049 attached
[pid  5047] <... clone3 resumed> => {parent_tid=[5049]}, 88) = 5049
[pid  5047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5047] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5047] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5049] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5049] <... rseq resumed>)         = 0
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 4
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 5
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 6
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 7
[pid  5049] creat("./file1", 000)       = 8
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 9
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 10
[pid  5049] creat("./file1", 000)       = 11
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 12
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 13
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 14
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[   57.118420][ T5048] loop0: detected capacity change from 0 to 1024
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5049] <... creat resumed>)        = 15
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] <... creat resumed>)        = 16
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] <... creat resumed>)        = 17
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 18
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5049] <... creat resumed>)        = 19
[pid  5048] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5049] creat("./file1", 000 <unfinished ...>
[pid  5048] rename("./file1", "./bus" <unfinished ...>
[pid  5049] <... creat resumed>)        = 20
[pid  5048] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5048] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5048] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] creat("./file1", 000)       = 21
[pid  5049] creat("./file1", 000)       = 22
[pid  5049] creat("./file1", 000)       = 23
[pid  5047] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5049] creat("./file1", 000)       = 24
[pid  5049] creat("./file1", 000)       = 25
[pid  5049] creat("./file1", 000)       = 26
[pid  5049] creat("./file1", 000)       = 27
[pid  5049] creat("./file1", 000)       = 28
[pid  5049] creat("./file1", 000)       = 29
[pid  5049] creat("./file1", 000)       = 30
[pid  5049] creat("./file1", 000)       = 31
[pid  5049] creat("./file1", 000)       = 32
[pid  5049] creat("./file1", 000)       = 33
[pid  5049] creat("./file1", 000)       = 34
[pid  5049] creat("./file1", 000)       = 35
[pid  5049] creat("./file1", 000)       = 36
[pid  5049] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5049] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5047] exit_group(0)               = ?
[pid  5049] <... futex resumed>)        = ?
[pid  5048] <... futex resumed>)        = ?
[pid  5049] +++ exited with 0 +++
[pid  5048] +++ exited with 0 +++
[pid  5047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./6/bus")                        = 0
umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./6/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./6")                            = 0
mkdir("./7", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5050 attached
, child_tidptr=0x555555967690) = 5050
[pid  5050] set_robust_list(0x5555559676a0, 24) = 0
[pid  5050] chdir("./7")                = 0
[pid  5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5050] setpgid(0, 0)               = 0
[pid  5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5050] write(3, "1000", 4)         = 4
[pid  5050] close(3)                    = 0
[pid  5050] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5050] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5050] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5050] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5051]}, 88) = 5051
[pid  5050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5050] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5050] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5051 attached
 <unfinished ...>
[pid  5051] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5051] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5051] memfd_create("syzkaller", 0) = 3
[pid  5051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5051] munmap(0x7f329307d000, 524288) = 0
[   57.234347][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5051] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5051] close(3)                    = 0
[pid  5051] mkdir("./bus", 0777)        = 0
[pid  5051] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5051] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5051] chdir("./bus")              = 0
[pid  5051] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5051] close(4)                    = 0
[pid  5051] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5051] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] <... futex resumed>)        = 0
[pid  5050] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5051] <... futex resumed>)        = 0
[pid  5050] <... futex resumed>)        = 1
[pid  5050] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5050] <... futex resumed>)        = 0
[pid  5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5051] <... rename resumed>)       = 0
[pid  5050] <... mmap resumed>)         = 0x7f32930dc000
[pid  5050] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5052 attached
 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5050] <... clone3 resumed> => {parent_tid=[5052]}, 88) = 5052
[pid  5052] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5052] <... rseq resumed>)         = 0
[pid  5050] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5052] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5050] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5052] <... set_robust_list resumed>) = 0
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 4
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000)       = 5
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] <... creat resumed>)        = 6
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 7
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 8
[pid  5052] creat("./file1", 000)       = 9
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 10
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000)       = 11
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 12
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] <... creat resumed>)        = 13
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 14
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 15
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 16
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 17
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 18
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   57.287831][ T5051] loop0: detected capacity change from 0 to 1024
[pid  5052] creat("./file1", 000)       = 19
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 20
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 21
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5051] rename("./file1", "./bus" <unfinished ...>
[pid  5052] <... creat resumed>)        = 22
[pid  5052] creat("./file1", 000 <unfinished ...>
[pid  5051] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5051] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5051] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5052] <... creat resumed>)        = 23
[pid  5052] creat("./file1", 000)       = 24
[pid  5052] creat("./file1", 000)       = 25
[pid  5052] creat("./file1", 000)       = 26
[pid  5052] creat("./file1", 000)       = 27
[pid  5052] creat("./file1", 000)       = 28
[pid  5052] creat("./file1", 000)       = 29
[pid  5052] creat("./file1", 000)       = 30
[pid  5052] creat("./file1", 000)       = 31
[pid  5052] creat("./file1", 000)       = 32
[pid  5052] creat("./file1", 000)       = 33
[pid  5052] creat("./file1", 000)       = 34
[pid  5052] creat("./file1", 000)       = 35
[pid  5052] creat("./file1", 000)       = 36
[pid  5052] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5050] <... futex resumed>)        = 0
[pid  5052] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] exit_group(0 <unfinished ...>
[pid  5052] <... futex resumed>)        = ?
[pid  5051] <... futex resumed>)        = ?
[pid  5050] <... exit_group resumed>)   = ?
[pid  5052] +++ exited with 0 +++
[pid  5051] +++ exited with 0 +++
[pid  5050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./7/bus")                        = 0
umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./7/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./7")                            = 0
mkdir("./8", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5053 attached
 <unfinished ...>
[pid  5053] set_robust_list(0x5555559676a0, 24 <unfinished ...>
[pid  5027] <... clone resumed>, child_tidptr=0x555555967690) = 5053
[pid  5053] <... set_robust_list resumed>) = 0
[pid  5053] chdir("./8")                = 0
[pid  5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5053] setpgid(0, 0)               = 0
[pid  5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5053] write(3, "1000", 4)         = 4
[pid  5053] close(3)                    = 0
[pid  5053] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5053] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5053] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5053] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5054 attached
 <unfinished ...>
[pid  5054] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5053] <... clone3 resumed> => {parent_tid=[5054]}, 88) = 5054
[pid  5053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5053] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5053] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5054] <... rseq resumed>)         = 0
[pid  5054] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5054] memfd_create("syzkaller", 0) = 3
[pid  5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   57.375139][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5054] munmap(0x7f329307d000, 524288) = 0
[pid  5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5054] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5054] close(3)                    = 0
[pid  5054] mkdir("./bus", 0777)        = 0
[pid  5054] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5054] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5054] chdir("./bus")              = 0
[pid  5054] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5054] close(4)                    = 0
[pid  5054] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5054] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5053] <... futex resumed>)        = 0
[pid  5053] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5054] <... futex resumed>)        = 0
[pid  5053] <... futex resumed>)        = 1
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5053] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5054] <... rename resumed>)       = 0
[pid  5053] <... futex resumed>)        = 0
[pid  5053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5053] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5053] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5053] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5054] rename("./file1", "./bus"./strace-static-x86_64: Process 5055 attached
)  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5053] <... clone3 resumed> => {parent_tid=[5055]}, 88) = 5055
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5053] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5053] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5055] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] <... rseq resumed>)         = 0
[pid  5055] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... set_robust_list resumed>) = 0
[pid  5055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 4
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000)       = 5
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 6
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 7
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000)       = 8
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 9
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 10
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 11
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 12
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000)       = 13
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 14
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 15
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] <... creat resumed>)        = 16
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 17
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 18
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5055] <... creat resumed>)        = 19
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 20
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 21
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   57.439454][ T5054] loop0: detected capacity change from 0 to 1024
[pid  5054] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 22
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 23
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] <... creat resumed>)        = 24
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5055] <... creat resumed>)        = 25
[pid  5054] rename("./file1", "./bus" <unfinished ...>
[pid  5055] creat("./file1", 000)       = 26
[pid  5054] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5054] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5055] creat("./file1", 000 <unfinished ...>
[pid  5054] <... futex resumed>)        = 0
[pid  5055] <... creat resumed>)        = 27
[pid  5054] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5055] creat("./file1", 000)       = 28
[pid  5055] creat("./file1", 000)       = 29
[pid  5055] creat("./file1", 000)       = 30
[pid  5055] creat("./file1", 000)       = 31
[pid  5055] creat("./file1", 000)       = 32
[pid  5055] creat("./file1", 000)       = 33
[pid  5055] creat("./file1", 000)       = 34
[pid  5055] creat("./file1", 000)       = 35
[pid  5055] creat("./file1", 000)       = 36
[pid  5055] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5053] <... futex resumed>)        = 0
[pid  5053] exit_group(0 <unfinished ...>
[pid  5054] <... futex resumed>)        = ?
[pid  5054] +++ exited with 0 +++
[pid  5053] <... exit_group resumed>)   = ?
[pid  5055] +++ exited with 0 +++
[pid  5053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./8/bus")                        = 0
umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./8/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./8")                            = 0
mkdir("./9", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached
, child_tidptr=0x555555967690) = 5056
[pid  5056] set_robust_list(0x5555559676a0, 24) = 0
[pid  5056] chdir("./9")                = 0
[pid  5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5056] setpgid(0, 0)               = 0
[pid  5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1000", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5056] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5056] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5056] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5057]}, 88) = 5057
[pid  5056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5056] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5056] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5057 attached
 <unfinished ...>
[pid  5057] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5057] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5057] memfd_create("syzkaller", 0) = 3
[pid  5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5057] munmap(0x7f329307d000, 524288) = 0
[pid  5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   57.523012][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5057] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5057] close(3)                    = 0
[pid  5057] mkdir("./bus", 0777)        = 0
[pid  5057] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5057] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5057] chdir("./bus")              = 0
[pid  5057] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5057] close(4)                    = 0
[pid  5057] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = 0
[pid  5056] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5056] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5056] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} => {parent_tid=[5058]}, 88) = 5058
[pid  5056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5056] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5057] <... futex resumed>)        = 1
[pid  5056] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5058 attached
 <unfinished ...>
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5058] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = 0
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 4
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 5
[pid  5058] creat("./file1", 000)       = 6
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5058] <... creat resumed>)        = 7
[pid  5058] creat("./file1", 000)       = 8
[pid  5058] creat("./file1", 000)       = 9
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 10
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000)       = 11
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] <... creat resumed>)        = 12
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000)       = 13
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 14
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 15
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5058] <... creat resumed>)        = 16
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 17
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 18
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] <... creat resumed>)        = 19
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] <... creat resumed>)        = 20
[   57.580085][ T5057] loop0: detected capacity change from 0 to 1024
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 21
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5057] rename("./file1", "./bus" <unfinished ...>
[pid  5058] <... creat resumed>)        = 22
[pid  5057] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5057] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5057] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5057] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5058] <... creat resumed>)        = 23
[pid  5058] creat("./file1", 000)       = 24
[pid  5058] creat("./file1", 000)       = 25
[pid  5058] creat("./file1", 000)       = 26
[pid  5058] creat("./file1", 000)       = 27
[pid  5058] creat("./file1", 000 <unfinished ...>
[pid  5056] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5058] <... creat resumed>)        = 28
[pid  5058] creat("./file1", 000)       = 29
[pid  5058] creat("./file1", 000)       = 30
[pid  5058] creat("./file1", 000)       = 31
[pid  5058] creat("./file1", 000)       = 32
[pid  5058] creat("./file1", 000)       = 33
[pid  5058] creat("./file1", 000)       = 34
[pid  5058] creat("./file1", 000)       = 35
[pid  5058] creat("./file1", 000)       = 36
[pid  5058] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5058] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5056] exit_group(0)               = ?
[pid  5058] <... futex resumed>)        = ?
[pid  5057] <... futex resumed>)        = ?
[pid  5058] +++ exited with 0 +++
[pid  5057] +++ exited with 0 +++
[pid  5056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./9/bus")                        = 0
umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./9/binderfs")                  = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./9")                            = 0
mkdir("./10", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5059
./strace-static-x86_64: Process 5059 attached
[pid  5059] set_robust_list(0x5555559676a0, 24) = 0
[pid  5059] chdir("./10")               = 0
[pid  5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5059] setpgid(0, 0)               = 0
[pid  5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5059] write(3, "1000", 4)         = 4
[pid  5059] close(3)                    = 0
[pid  5059] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5059] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5059] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5059] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5060]}, 88) = 5060
./strace-static-x86_64: Process 5060 attached
[pid  5060] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5060] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5059] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5060] <... set_robust_list resumed>) = 0
[pid  5059] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5059] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5060] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5059] <... futex resumed>)        = 0
[pid  5059] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5060] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5060] memfd_create("syzkaller", 0) = 3
[pid  5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5060] munmap(0x7f329307d000, 524288) = 0
[pid  5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   57.663507][ T2807] hfsplus: b-tree write err: -5, ino 8
[pid  5060] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5060] close(3)                    = 0
[pid  5060] mkdir("./bus", 0777)        = 0
[pid  5060] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5060] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5060] chdir("./bus")              = 0
[pid  5060] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5060] close(4)                    = 0
[pid  5060] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5059] <... futex resumed>)        = 0
[pid  5060] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5059] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5060] <... futex resumed>)        = 0
[pid  5059] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5059] <... futex resumed>)        = 0
[pid  5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5059] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5060] <... rename resumed>)       = 0
[pid  5059] <... mprotect resumed>)     = 0
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5059] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5059] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
./strace-static-x86_64: Process 5061 attached
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5059] <... clone3 resumed> => {parent_tid=[5061]}, 88) = 5061
[pid  5061] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5061] <... rseq resumed>)         = 0
[pid  5061] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5059] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5061] <... set_robust_list resumed>) = 0
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5059] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5061] <... creat resumed>)        = 4
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] <... creat resumed>)        = 5
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] <... creat resumed>)        = 6
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] <... creat resumed>)        = 7
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus" <unfinished ...>
[pid  5061] <... creat resumed>)        = 8
[pid  5061] creat("./file1", 000 <unfinished ...>
[pid  5060] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5060] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5060] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5061] <... creat resumed>)        = 9
[pid  5061] creat("./file1", 000)       = 10
[pid  5061] creat("./file1", 000)       = 11
[   57.724161][ T5060] loop0: detected capacity change from 0 to 1024
[pid  5061] creat("./file1", 000)       = 12
[pid  5061] creat("./file1", 000)       = 13
[pid  5061] creat("./file1", 000)       = 14
[pid  5061] creat("./file1", 000)       = 15
[pid  5061] creat("./file1", 000)       = 16
[pid  5061] creat("./file1", 000)       = 17
[pid  5061] creat("./file1", 000)       = 18
[pid  5061] creat("./file1", 000)       = 19
[pid  5061] creat("./file1", 000)       = 20
[pid  5061] creat("./file1", 000)       = 21
[pid  5061] creat("./file1", 000)       = 22
[pid  5061] creat("./file1", 000)       = 23
[pid  5061] creat("./file1", 000)       = 24
[pid  5061] creat("./file1", 000)       = 25
[pid  5061] creat("./file1", 000)       = 26
[pid  5061] creat("./file1", 000)       = 27
[pid  5061] creat("./file1", 000)       = 28
[pid  5061] creat("./file1", 000)       = 29
[pid  5061] creat("./file1", 000)       = 30
[pid  5061] creat("./file1", 000)       = 31
[pid  5061] creat("./file1", 000)       = 32
[pid  5061] creat("./file1", 000)       = 33
[pid  5061] creat("./file1", 000)       = 34
[pid  5061] creat("./file1", 000)       = 35
[pid  5061] creat("./file1", 000)       = 36
[pid  5061] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5059] <... futex resumed>)        = 0
[pid  5059] exit_group(0)               = ?
[pid  5060] <... futex resumed>)        = ?
[pid  5061] +++ exited with 0 +++
[pid  5060] +++ exited with 0 +++
[pid  5059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./10/bus")                       = 0
umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./10/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./10")                           = 0
mkdir("./11", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached
, child_tidptr=0x555555967690) = 5062
[pid  5062] set_robust_list(0x5555559676a0, 24) = 0
[pid  5062] chdir("./11")               = 0
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5062] setpgid(0, 0)               = 0
[pid  5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1000", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5062] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5062] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5062] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5063]}, 88) = 5063
./strace-static-x86_64: Process 5063 attached
[pid  5063] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5062] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5063] <... rseq resumed>)         = 0
[pid  5062] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5063] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5063] memfd_create("syzkaller", 0) = 3
[pid  5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5063] munmap(0x7f329307d000, 524288) = 0
[pid  5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   57.815748][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5063] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5063] close(3)                    = 0
[pid  5063] mkdir("./bus", 0777)        = 0
[pid  5063] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5063] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5063] chdir("./bus")              = 0
[pid  5063] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5063] close(4)                    = 0
[pid  5063] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5062] <... futex resumed>)        = 0
[pid  5063] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5062] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5062] <... futex resumed>)        = 0
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5062] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5063] <... rename resumed>)       = 0
[pid  5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5062] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5062] <... clone3 resumed> => {parent_tid=[5064]}, 88) = 5064
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5062] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5062] <... rt_sigprocmask resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5064 attached
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5062] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5062] <... futex resumed>)        = 0
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5062] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5064] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] <... rseq resumed>)         = 0
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5064] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] <... set_robust_list resumed>) = 0
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5064] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5064] <... creat resumed>)        = 4
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] creat("./file1", 000)       = 5
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] <... creat resumed>)        = 6
[pid  5064] creat("./file1", 000)       = 7
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5064] <... creat resumed>)        = 8
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] creat("./file1", 000)       = 9
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] <... creat resumed>)        = 10
[pid  5064] creat("./file1", 000)       = 11
[pid  5064] creat("./file1", 000)       = 12
[pid  5064] creat("./file1", 000)       = 13
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5064] <... creat resumed>)        = 14
[pid  5063] rename("./file1", "./bus" <unfinished ...>
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5063] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5064] <... creat resumed>)        = 15
[pid  5063] <... futex resumed>)        = 0
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5063] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5064] <... creat resumed>)        = 16
[pid  5064] creat("./file1", 000)       = 17
[pid  5064] creat("./file1", 000)       = 18
[pid  5064] creat("./file1", 000)       = 19
[pid  5064] creat("./file1", 000)       = 20
[pid  5064] creat("./file1", 000)       = 21
[pid  5064] creat("./file1", 000)       = 22
[pid  5064] creat("./file1", 000)       = 23
[   57.864935][ T5063] loop0: detected capacity change from 0 to 1024
[pid  5064] creat("./file1", 000)       = 24
[pid  5064] creat("./file1", 000)       = 25
[pid  5064] creat("./file1", 000)       = 26
[pid  5064] creat("./file1", 000)       = 27
[pid  5064] creat("./file1", 000)       = 28
[pid  5064] creat("./file1", 000)       = 29
[pid  5064] creat("./file1", 000)       = 30
[pid  5064] creat("./file1", 000)       = 31
[pid  5064] creat("./file1", 000)       = 32
[pid  5064] creat("./file1", 000)       = 33
[pid  5064] creat("./file1", 000)       = 34
[pid  5064] creat("./file1", 000 <unfinished ...>
[pid  5062] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5064] <... creat resumed>)        = 35
[pid  5062] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5062] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5064] creat("./file1", 000)       = 36
[pid  5064] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5062] exit_group(0 <unfinished ...>
[pid  5063] <... futex resumed>)        = ?
[pid  5062] <... exit_group resumed>)   = ?
[pid  5063] +++ exited with 0 +++
[pid  5064] <... futex resumed>)        = ?
[pid  5064] +++ exited with 0 +++
[pid  5062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./11/bus")                       = 0
umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./11/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./11")                           = 0
mkdir("./12", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached
, child_tidptr=0x555555967690) = 5065
[pid  5065] set_robust_list(0x5555559676a0, 24) = 0
[pid  5065] chdir("./12")               = 0
[pid  5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5065] setpgid(0, 0)               = 0
[pid  5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5065] write(3, "1000", 4)         = 4
[pid  5065] close(3)                    = 0
[pid  5065] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5065] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5065] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5065] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5066 attached
 => {parent_tid=[5066]}, 88) = 5066
[pid  5066] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5065] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5066] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5065] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5066] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5065] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5066] <... futex resumed>)        = 0
[pid  5066] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5065] <... futex resumed>)        = 1
[pid  5066] <... memfd_create resumed>) = 3
[pid  5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5065] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5066] <... mmap resumed>)         = 0x7f329307d000
[   57.949217][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5066] munmap(0x7f329307d000, 524288) = 0
[pid  5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5066] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5066] close(3)                    = 0
[pid  5066] mkdir("./bus", 0777)        = 0
[pid  5066] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5066] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5066] chdir("./bus")              = 0
[pid  5066] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5066] close(4)                    = 0
[pid  5066] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5065] <... futex resumed>)        = 0
[pid  5065] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5066] <... futex resumed>)        = 1
[pid  5065] <... futex resumed>)        = 0
[pid  5065] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5065] <... futex resumed>)        = 0
[pid  5066] <... rename resumed>)       = 0
[pid  5065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5065] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5065] <... clone3 resumed> => {parent_tid=[5067]}, 88) = 5067
./strace-static-x86_64: Process 5067 attached
[pid  5067] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5065] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5067] <... rseq resumed>)         = 0
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5065] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5067] <... set_robust_list resumed>) = 0
[pid  5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5067] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5065] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5067] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000)       = 4
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5065] <... futex resumed>)        = 0
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5065] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5067] <... creat resumed>)        = 5
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 6
[pid  5067] creat("./file1", 000)       = 7
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 8
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 9
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000)       = 10
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 11
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5067] <... creat resumed>)        = 12
[pid  5067] creat("./file1", 000)       = 13
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] <... creat resumed>)        = 14
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000)       = 15
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000)       = 16
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000)       = 17
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 18
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 19
[pid  5067] creat("./file1", 000)       = 20
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[   58.015038][ T5066] loop0: detected capacity change from 0 to 1024
[pid  5067] creat("./file1", 000)       = 21
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000)       = 22
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] <... creat resumed>)        = 23
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] <... creat resumed>)        = 24
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 25
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 26
[pid  5067] creat("./file1", 000)       = 27
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 28
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 29
[pid  5067] creat("./file1", 000)       = 30
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus" <unfinished ...>
[pid  5067] <... creat resumed>)        = 31
[pid  5066] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5067] creat("./file1", 000 <unfinished ...>
[pid  5066] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5067] <... creat resumed>)        = 32
[pid  5066] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5066] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5067] creat("./file1", 000)       = 33
[pid  5067] creat("./file1", 000)       = 34
[pid  5067] creat("./file1", 000)       = 35
[pid  5067] creat("./file1", 000)       = 36
[pid  5067] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5065] <... futex resumed>)        = 0
[pid  5065] exit_group(0)               = ?
[pid  5067] <... futex resumed>)        = ?
[pid  5066] <... futex resumed>)        = ?
[pid  5067] +++ exited with 0 +++
[pid  5066] +++ exited with 0 +++
[pid  5065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./12/bus")                       = 0
umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./12/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./12")                           = 0
mkdir("./13", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached
, child_tidptr=0x555555967690) = 5068
[pid  5068] set_robust_list(0x5555559676a0, 24) = 0
[pid  5068] chdir("./13")               = 0
[pid  5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5068] setpgid(0, 0)               = 0
[pid  5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5068] write(3, "1000", 4)         = 4
[pid  5068] close(3)                    = 0
[pid  5068] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5068] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5068] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5068] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5069 attached
 <unfinished ...>
[pid  5069] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5068] <... clone3 resumed> => {parent_tid=[5069]}, 88) = 5069
[pid  5069] <... rseq resumed>)         = 0
[pid  5068] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5069] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5068] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5069] <... set_robust_list resumed>) = 0
[pid  5069] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5068] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5069] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5068] <... futex resumed>)        = 0
[pid  5069] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5068] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5069] <... memfd_create resumed>) = 3
[pid  5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5069] munmap(0x7f329307d000, 524288) = 0
[pid  5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   58.099931][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5069] close(3)                    = 0
[pid  5069] mkdir("./bus", 0777)        = 0
[pid  5069] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5069] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5069] chdir("./bus")              = 0
[pid  5069] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5069] close(4)                    = 0
[pid  5069] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5069] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5068] <... futex resumed>)        = 0
[pid  5068] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5069] <... futex resumed>)        = 0
[pid  5068] <... futex resumed>)        = 1
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5068] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5068] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5068] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5069] <... rename resumed>)       = 0
[pid  5068] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5068] <... clone3 resumed> => {parent_tid=[5070]}, 88) = 5070
[pid  5068] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5068] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5068] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5068] <... futex resumed>)        = 0
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5068] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus"./strace-static-x86_64: Process 5070 attached
 <unfinished ...>
[pid  5070] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5070] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5070] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 4
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] creat("./file1", 000)       = 5
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000)       = 6
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 7
[pid  5070] creat("./file1", 000)       = 8
[pid  5070] creat("./file1", 000)       = 9
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 10
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 11
[pid  5070] creat("./file1", 000)       = 12
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000)       = 13
[pid  5070] creat("./file1", 000)       = 14
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 15
[pid  5070] creat("./file1", 000)       = 16
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000)       = 17
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 18
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 19
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 20
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] creat("./file1", 000)       = 21
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000)       = 22
[pid  5070] creat("./file1", 000)       = 23
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] <... creat resumed>)        = 24
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 25
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000)       = 26
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] creat("./file1", 000)       = 27
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 28
[pid  5070] creat("./file1", 000)       = 29
[   58.145725][ T5069] loop0: detected capacity change from 0 to 1024
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 30
[pid  5070] creat("./file1", 000)       = 31
[pid  5070] creat("./file1", 000)       = 32
[pid  5070] creat("./file1", 000)       = 33
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 34
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 35
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5070] creat("./file1", 000 <unfinished ...>
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5070] <... creat resumed>)        = 36
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5070] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5070] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus" <unfinished ...>
[pid  5068] <... futex resumed>)        = 0
[pid  5069] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5069] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5069] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5068] exit_group(0 <unfinished ...>
[pid  5070] <... futex resumed>)        = ?
[pid  5070] +++ exited with 0 +++
[pid  5069] <... futex resumed>)        = ?
[pid  5068] <... exit_group resumed>)   = ?
[pid  5069] +++ exited with 0 +++
[pid  5068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./13/bus")                       = 0
umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./13/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./13")                           = 0
mkdir("./14", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5071
./strace-static-x86_64: Process 5071 attached
[pid  5071] set_robust_list(0x5555559676a0, 24) = 0
[pid  5071] chdir("./14")               = 0
[pid  5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5071] setpgid(0, 0)               = 0
[pid  5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1000", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5071] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5071] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5071] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5072 attached
 => {parent_tid=[5072]}, 88) = 5072
[pid  5071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5071] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5072] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5071] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5072] <... rseq resumed>)         = 0
[pid  5072] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5072] memfd_create("syzkaller", 0) = 3
[pid  5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   58.227852][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5072] munmap(0x7f329307d000, 524288) = 0
[pid  5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5072] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5072] close(3)                    = 0
[pid  5072] mkdir("./bus", 0777)        = 0
[pid  5072] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5072] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5072] chdir("./bus")              = 0
[pid  5072] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5072] close(4)                    = 0
[pid  5072] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5071] <... futex resumed>)        = 0
[pid  5071] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5071] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5072] <... rename resumed>)       = 0
[pid  5071] <... futex resumed>)        = 0
[pid  5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5071] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5071] <... mprotect resumed>)     = 0
[pid  5071] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5071] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5072] rename("./file1", "./bus"./strace-static-x86_64: Process 5073 attached
)  = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5071] <... clone3 resumed> => {parent_tid=[5073]}, 88) = 5073
[pid  5073] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5073] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5071] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5073] <... set_robust_list resumed>) = 0
[pid  5073] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5071] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5073] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5071] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5073] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5071] <... futex resumed>)        = 0
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 4
[pid  5071] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 5
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] creat("./file1", 000)       = 6
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 7
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5073] creat("./file1", 000)       = 8
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 9
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 10
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 11
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 12
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 13
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 14
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 15
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 16
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 17
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 18
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 19
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 20
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   58.293428][ T5072] loop0: detected capacity change from 0 to 1024
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 21
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus" <unfinished ...>
[pid  5073] <... creat resumed>)        = 22
[pid  5073] creat("./file1", 000 <unfinished ...>
[pid  5072] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5073] <... creat resumed>)        = 23
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5072] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5072] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5072] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5073] creat("./file1", 000)       = 24
[pid  5073] creat("./file1", 000)       = 25
[pid  5073] creat("./file1", 000)       = 26
[pid  5073] creat("./file1", 000)       = 27
[pid  5073] creat("./file1", 000)       = 28
[pid  5073] creat("./file1", 000)       = 29
[pid  5073] creat("./file1", 000)       = 30
[pid  5073] creat("./file1", 000)       = 31
[pid  5073] creat("./file1", 000)       = 32
[pid  5073] creat("./file1", 000)       = 33
[pid  5073] creat("./file1", 000)       = 34
[pid  5073] creat("./file1", 000)       = 35
[pid  5073] creat("./file1", 000)       = 36
[pid  5073] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5071] <... futex resumed>)        = 0
[pid  5071] exit_group(0)               = ?
[pid  5072] <... futex resumed>)        = ?
[pid  5073] +++ exited with 0 +++
[pid  5072] +++ exited with 0 +++
[pid  5071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./14/bus")                       = 0
umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./14/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./14")                           = 0
mkdir("./15", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached
, child_tidptr=0x555555967690) = 5074
[pid  5074] set_robust_list(0x5555559676a0, 24) = 0
[pid  5074] chdir("./15")               = 0
[pid  5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5074] setpgid(0, 0)               = 0
[pid  5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1000", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5074] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5074] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5074] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5075 attached
 => {parent_tid=[5075]}, 88) = 5075
[pid  5075] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5074] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5075] <... rseq resumed>)         = 0
[pid  5075] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5074] <... futex resumed>)        = 0
[pid  5075] <... set_robust_list resumed>) = 0
[pid  5074] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5075] memfd_create("syzkaller", 0) = 3
[pid  5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5075] munmap(0x7f329307d000, 524288) = 0
[pid  5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   58.378196][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5075] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5075] close(3)                    = 0
[pid  5075] mkdir("./bus", 0777)        = 0
[pid  5075] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5075] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5075] chdir("./bus")              = 0
[pid  5075] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5075] close(4)                    = 0
[pid  5075] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5075] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5074] <... futex resumed>)        = 0
[pid  5074] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5075] <... futex resumed>)        = 0
[pid  5074] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5074] <... futex resumed>)        = 0
[pid  5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5075] <... rename resumed>)       = 0
[pid  5074] <... mmap resumed>)         = 0x7f32930dc000
[pid  5074] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5075] rename("./file1", "./bus"./strace-static-x86_64: Process 5076 attached
)  = -1 ENOENT (No such file or directory)
[pid  5074] <... clone3 resumed> => {parent_tid=[5076]}, 88) = 5076
[pid  5076] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5076] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5074] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5076] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5076] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5074] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5074] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5076] <... futex resumed>)        = 0
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5074] <... futex resumed>)        = 1
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5074] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 4
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000)       = 5
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 6
[pid  5076] creat("./file1", 000)       = 7
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 8
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000)       = 9
[pid  5076] creat("./file1", 000)       = 10
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000)       = 11
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000)       = 12
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000)       = 13
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000)       = 14
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 15
[pid  5076] creat("./file1", 000)       = 16
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 17
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 18
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 19
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   58.423258][ T5075] loop0: detected capacity change from 0 to 1024
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 20
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000)       = 21
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 22
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 23
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 24
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 25
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5076] <... creat resumed>)        = 26
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 27
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] <... creat resumed>)        = 28
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus" <unfinished ...>
[pid  5076] creat("./file1", 000 <unfinished ...>
[pid  5075] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5075] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5075] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5075] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5076] <... creat resumed>)        = 29
[pid  5076] creat("./file1", 000)       = 30
[pid  5076] creat("./file1", 000)       = 31
[pid  5076] creat("./file1", 000)       = 32
[pid  5076] creat("./file1", 000)       = 33
[pid  5076] creat("./file1", 000)       = 34
[pid  5076] creat("./file1", 000)       = 35
[pid  5076] creat("./file1", 000)       = 36
[pid  5076] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5074] <... futex resumed>)        = 0
[pid  5076] <... futex resumed>)        = 1
[pid  5076] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5074] exit_group(0)               = ?
[pid  5075] <... futex resumed>)        = ?
[pid  5076] <... futex resumed>)        = ?
[pid  5076] +++ exited with 0 +++
[pid  5075] +++ exited with 0 +++
[pid  5074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./15/bus")                       = 0
umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./15/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./15")                           = 0
mkdir("./16", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5077
./strace-static-x86_64: Process 5077 attached
[pid  5077] set_robust_list(0x5555559676a0, 24) = 0
[pid  5077] chdir("./16")               = 0
[pid  5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5077] setpgid(0, 0)               = 0
[pid  5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5077] write(3, "1000", 4)         = 4
[pid  5077] close(3)                    = 0
[pid  5077] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5077] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5077] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5077] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5078 attached
 => {parent_tid=[5078]}, 88) = 5078
[pid  5078] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5078] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5077] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5078] <... set_robust_list resumed>) = 0
[pid  5078] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5077] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5077] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5078] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5077] <... futex resumed>)        = 0
[pid  5077] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5078] memfd_create("syzkaller", 0) = 3
[pid  5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5078] munmap(0x7f329307d000, 524288) = 0
[   58.515542][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5078] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5078] close(3)                    = 0
[pid  5078] mkdir("./bus", 0777)        = 0
[pid  5078] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5078] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5078] chdir("./bus")              = 0
[pid  5078] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5078] close(4)                    = 0
[pid  5078] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5077] <... futex resumed>)        = 0
[pid  5078] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5077] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5078] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5077] <... futex resumed>)        = 0
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5077] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5078] <... rename resumed>)       = 0
[pid  5077] <... futex resumed>)        = 0
[pid  5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5077] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5077] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5077] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5077] <... clone3 resumed> => {parent_tid=[5079]}, 88) = 5079
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5077] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5077] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5077] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5077] <... futex resumed>)        = 0
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5077] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus"./strace-static-x86_64: Process 5079 attached
)  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5079] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5079] <... rseq resumed>)         = 0
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] <... creat resumed>)        = 4
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5079] creat("./file1", 000)       = 5
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] <... creat resumed>)        = 6
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5079] <... creat resumed>)        = 7
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] <... creat resumed>)        = 8
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] <... creat resumed>)        = 9
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5078] rename("./file1", "./bus" <unfinished ...>
[pid  5079] <... creat resumed>)        = 10
[pid  5079] creat("./file1", 000)       = 11
[pid  5078] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5079] creat("./file1", 000)       = 12
[pid  5079] creat("./file1", 000)       = 13
[pid  5079] creat("./file1", 000)       = 14
[pid  5079] creat("./file1", 000)       = 15
[pid  5079] creat("./file1", 000)       = 16
[pid  5079] creat("./file1", 000)       = 17
[pid  5079] creat("./file1", 000 <unfinished ...>
[pid  5078] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5078] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5079] <... creat resumed>)        = 18
[   58.576994][ T5078] loop0: detected capacity change from 0 to 1024
[pid  5079] creat("./file1", 000)       = 19
[pid  5079] creat("./file1", 000)       = 20
[pid  5079] creat("./file1", 000)       = 21
[pid  5079] creat("./file1", 000)       = 22
[pid  5079] creat("./file1", 000)       = 23
[pid  5079] creat("./file1", 000)       = 24
[pid  5079] creat("./file1", 000)       = 25
[pid  5079] creat("./file1", 000)       = 26
[pid  5079] creat("./file1", 000)       = 27
[pid  5079] creat("./file1", 000)       = 28
[pid  5079] creat("./file1", 000)       = 29
[pid  5079] creat("./file1", 000)       = 30
[pid  5079] creat("./file1", 000)       = 31
[pid  5079] creat("./file1", 000)       = 32
[pid  5079] creat("./file1", 000)       = 33
[pid  5079] creat("./file1", 000)       = 34
[pid  5079] creat("./file1", 000)       = 35
[pid  5079] creat("./file1", 000)       = 36
[pid  5079] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5077] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5079] <... futex resumed>)        = 0
[pid  5077] exit_group(0)               = ?
[pid  5078] <... futex resumed>)        = ?
[pid  5078] +++ exited with 0 +++
[pid  5079] +++ exited with 0 +++
[pid  5077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./16/bus")                       = 0
umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./16/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./16")                           = 0
mkdir("./17", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5080
./strace-static-x86_64: Process 5080 attached
[pid  5080] set_robust_list(0x5555559676a0, 24) = 0
[pid  5080] chdir("./17")               = 0
[pid  5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5080] setpgid(0, 0)               = 0
[pid  5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5080] write(3, "1000", 4)         = 4
[pid  5080] close(3)                    = 0
[pid  5080] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5080] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5080] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5080] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5081 attached
 => {parent_tid=[5081]}, 88) = 5081
[pid  5080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5080] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5080] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5081] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5081] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5081] memfd_create("syzkaller", 0) = 3
[pid  5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5081] munmap(0x7f329307d000, 524288) = 0
[pid  5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   58.662664][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5081] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5081] close(3)                    = 0
[pid  5081] mkdir("./bus", 0777)        = 0
[pid  5081] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5081] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5081] chdir("./bus")              = 0
[pid  5081] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5081] close(4)                    = 0
[pid  5081] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5081] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5080] <... futex resumed>)        = 0
[pid  5080] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5081] <... futex resumed>)        = 0
[pid  5080] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5080] <... futex resumed>)        = 0
[pid  5081] <... rename resumed>)       = 0
[pid  5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5080] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5080] <... clone3 resumed> => {parent_tid=[5082]}, 88) = 5082
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5080] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5082 attached
 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5080] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5080] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5080] <... futex resumed>)        = 0
[pid  5080] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 4
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 5
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 6
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 7
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000)       = 8
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 9
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000)       = 10
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 11
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 12
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 13
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 14
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000)       = 15
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[   58.715372][ T5081] loop0: detected capacity change from 0 to 1024
[pid  5082] <... creat resumed>)        = 16
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 17
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 18
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 19
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 20
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5082] <... creat resumed>)        = 21
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5081] rename("./file1", "./bus" <unfinished ...>
[pid  5082] <... creat resumed>)        = 22
[pid  5081] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5081] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5082] <... creat resumed>)        = 23
[pid  5081] <... futex resumed>)        = 0
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5081] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5082] <... creat resumed>)        = 24
[pid  5082] creat("./file1", 000)       = 25
[pid  5082] creat("./file1", 000)       = 26
[pid  5082] creat("./file1", 000)       = 27
[pid  5082] creat("./file1", 000)       = 28
[pid  5082] creat("./file1", 000)       = 29
[pid  5082] creat("./file1", 000)       = 30
[pid  5082] creat("./file1", 000)       = 31
[pid  5082] creat("./file1", 000)       = 32
[pid  5082] creat("./file1", 000 <unfinished ...>
[pid  5080] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5082] <... creat resumed>)        = 33
[pid  5082] creat("./file1", 000)       = 34
[pid  5082] creat("./file1", 000)       = 35
[pid  5082] creat("./file1", 000)       = 36
[pid  5082] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5080] exit_group(0 <unfinished ...>
[pid  5082] <... futex resumed>)        = ?
[pid  5081] <... futex resumed>)        = ?
[pid  5080] <... exit_group resumed>)   = ?
[pid  5081] +++ exited with 0 +++
[pid  5082] +++ exited with 0 +++
[pid  5080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./17/bus")                       = 0
umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./17/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./17")                           = 0
mkdir("./18", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
, child_tidptr=0x555555967690) = 5083
[pid  5083] set_robust_list(0x5555559676a0, 24) = 0
[pid  5083] chdir("./18")               = 0
[pid  5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5083] setpgid(0, 0)               = 0
[pid  5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5083] write(3, "1000", 4)         = 4
[pid  5083] close(3)                    = 0
[pid  5083] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5083] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5083] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5083] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5084 attached
 => {parent_tid=[5084]}, 88) = 5084
[pid  5083] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5084] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5083] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5083] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5084] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5083] <... futex resumed>)        = 0
[pid  5084] <... set_robust_list resumed>) = 0
[pid  5083] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5084] memfd_create("syzkaller", 0) = 3
[pid  5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5084] munmap(0x7f329307d000, 524288) = 0
[   58.808713][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5084] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5084] close(3)                    = 0
[pid  5084] mkdir("./bus", 0777)        = 0
[pid  5084] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5084] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5084] chdir("./bus")              = 0
[pid  5084] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5084] close(4)                    = 0
[pid  5084] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5084] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5083] <... futex resumed>)        = 0
[pid  5083] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5084] <... futex resumed>)        = 0
[pid  5083] <... futex resumed>)        = 1
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5083] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5083] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5084] <... rename resumed>)       = 0
[pid  5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus"./strace-static-x86_64: Process 5085 attached
 <unfinished ...>
[pid  5083] <... clone3 resumed> => {parent_tid=[5085]}, 88) = 5085
[pid  5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5083] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5083] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5085] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] <... rseq resumed>)         = 0
[pid  5085] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... set_robust_list resumed>) = 0
[pid  5085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5085] creat("./file1", 000)       = 4
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] <... creat resumed>)        = 5
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 6
[pid  5085] creat("./file1", 000)       = 7
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 8
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 9
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 10
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 11
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 12
[   58.879807][ T5084] loop0: detected capacity change from 0 to 1024
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 13
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 14
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 15
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] <... creat resumed>)        = 16
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] <... creat resumed>)        = 17
[pid  5084] rename("./file1", "./bus" <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5085] <... creat resumed>)        = 18
[pid  5084] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5085] creat("./file1", 000 <unfinished ...>
[pid  5084] <... futex resumed>)        = 0
[pid  5085] <... creat resumed>)        = 19
[pid  5084] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5085] creat("./file1", 000)       = 20
[pid  5085] creat("./file1", 000)       = 21
[pid  5085] creat("./file1", 000)       = 22
[pid  5085] creat("./file1", 000)       = 23
[pid  5085] creat("./file1", 000)       = 24
[pid  5085] creat("./file1", 000)       = 25
[pid  5085] creat("./file1", 000)       = 26
[pid  5085] creat("./file1", 000)       = 27
[pid  5085] creat("./file1", 000)       = 28
[pid  5085] creat("./file1", 000)       = 29
[pid  5085] creat("./file1", 000)       = 30
[pid  5085] creat("./file1", 000)       = 31
[pid  5085] creat("./file1", 000)       = 32
[pid  5085] creat("./file1", 000)       = 33
[pid  5085] creat("./file1", 000)       = 34
[pid  5085] creat("./file1", 000)       = 35
[pid  5085] creat("./file1", 000)       = 36
[pid  5085] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5083] <... futex resumed>)        = 0
[pid  5085] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5083] exit_group(0 <unfinished ...>
[pid  5084] <... futex resumed>)        = ?
[pid  5083] <... exit_group resumed>)   = ?
[pid  5085] <... futex resumed>)        = ?
[pid  5084] +++ exited with 0 +++
[pid  5085] +++ exited with 0 +++
[pid  5083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./18/bus")                       = 0
umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./18/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./18")                           = 0
mkdir("./19", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
, child_tidptr=0x555555967690) = 5086
[pid  5086] set_robust_list(0x5555559676a0, 24) = 0
[pid  5086] chdir("./19")               = 0
[pid  5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5086] setpgid(0, 0)               = 0
[pid  5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5086] write(3, "1000", 4)         = 4
[pid  5086] close(3)                    = 0
[pid  5086] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5086] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5086] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5086] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5087]}, 88) = 5087
[pid  5086] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5087 attached
NULL, 8) = 0
[pid  5087] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5087] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5086] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5087] <... set_robust_list resumed>) = 0
[pid  5086] <... futex resumed>)        = 0
[pid  5087] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5086] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5087] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5087] memfd_create("syzkaller", 0) = 3
[pid  5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[   58.969814][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5087] munmap(0x7f329307d000, 524288) = 0
[pid  5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5087] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5087] close(3)                    = 0
[pid  5087] mkdir("./bus", 0777)        = 0
[pid  5087] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5087] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5087] chdir("./bus")              = 0
[pid  5087] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5087] close(4)                    = 0
[pid  5087] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5087] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5086] <... futex resumed>)        = 0
[pid  5086] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5087] <... futex resumed>)        = 0
[pid  5086] <... futex resumed>)        = 1
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5086] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5087] <... rename resumed>)       = 0
[pid  5086] <... futex resumed>)        = 0
[pid  5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5086] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5087] rename("./file1", "./bus"./strace-static-x86_64: Process 5088 attached
 <unfinished ...>
[pid  5088] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... rseq resumed>)         = 0
[pid  5088] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5086] <... clone3 resumed> => {parent_tid=[5088]}, 88) = 5088
[pid  5088] <... set_robust_list resumed>) = 0
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5086] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5088] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5086] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5086] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... futex resumed>)        = 0
[pid  5086] <... futex resumed>)        = 1
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5086] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 4
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] creat("./file1", 000)       = 5
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 6
[pid  5088] creat("./file1", 000)       = 7
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] creat("./file1", 000)       = 8
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 9
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] creat("./file1", 000)       = 10
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 11
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 12
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 13
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000)       = 14
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 15
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 16
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 17
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 18
[   59.032941][ T5087] loop0: detected capacity change from 0 to 1024
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 19
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5088] <... creat resumed>)        = 20
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 21
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 22
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 23
[pid  5088] creat("./file1", 000 <unfinished ...>
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] rename("./file1", "./bus" <unfinished ...>
[pid  5088] <... creat resumed>)        = 24
[pid  5087] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5087] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5087] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5088] creat("./file1", 000)       = 25
[pid  5088] creat("./file1", 000)       = 26
[pid  5088] creat("./file1", 000)       = 27
[pid  5088] creat("./file1", 000)       = 28
[pid  5088] creat("./file1", 000)       = 29
[pid  5088] creat("./file1", 000)       = 30
[pid  5088] creat("./file1", 000)       = 31
[pid  5088] creat("./file1", 000)       = 32
[pid  5088] creat("./file1", 000)       = 33
[pid  5088] creat("./file1", 000)       = 34
[pid  5088] creat("./file1", 000)       = 35
[pid  5088] creat("./file1", 000)       = 36
[pid  5088] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5086] <... futex resumed>)        = 0
[pid  5086] exit_group(0 <unfinished ...>
[pid  5087] <... futex resumed>)        = ?
[pid  5086] <... exit_group resumed>)   = ?
[pid  5087] +++ exited with 0 +++
[pid  5088] +++ exited with 0 +++
[pid  5086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./19/bus")                       = 0
umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./19/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./19")                           = 0
mkdir("./20", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
, child_tidptr=0x555555967690) = 5089
[pid  5089] set_robust_list(0x5555559676a0, 24) = 0
[pid  5089] chdir("./20")               = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5089] setpgid(0, 0)               = 0
[pid  5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5089] write(3, "1000", 4)         = 4
[pid  5089] close(3)                    = 0
[pid  5089] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5089] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5089] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5089] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5090]}, 88) = 5090
./strace-static-x86_64: Process 5090 attached
[pid  5090] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5089] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5090] <... rseq resumed>)         = 0
[pid  5089] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5090] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5089] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5090] <... set_robust_list resumed>) = 0
[pid  5089] <... futex resumed>)        = 0
[pid  5089] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5090] memfd_create("syzkaller", 0) = 3
[pid  5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5090] munmap(0x7f329307d000, 524288) = 0
[   59.135096][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5090] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5090] close(3)                    = 0
[pid  5090] mkdir("./bus", 0777)        = 0
[pid  5090] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5090] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5090] chdir("./bus")              = 0
[pid  5090] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5090] close(4)                    = 0
[pid  5090] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5090] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5089] <... futex resumed>)        = 0
[pid  5089] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5090] <... futex resumed>)        = 0
[pid  5089] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5089] <... futex resumed>)        = 0
[pid  5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5090] <... rename resumed>)       = 0
[pid  5089] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5091 attached
 <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5089] <... clone3 resumed> => {parent_tid=[5091]}, 88) = 5091
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5089] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5089] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5089] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5089] <... futex resumed>)        = 0
[pid  5089] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5091] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... rseq resumed>)         = 0
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5091] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... set_robust_list resumed>) = 0
[pid  5091] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5091] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... creat resumed>)        = 4
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... creat resumed>)        = 5
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... creat resumed>)        = 6
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5091] <... creat resumed>)        = 7
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5090] rename("./file1", "./bus" <unfinished ...>
[pid  5091] <... creat resumed>)        = 8
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5090] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5091] <... creat resumed>)        = 9
[pid  5090] <... futex resumed>)        = 0
[pid  5091] creat("./file1", 000 <unfinished ...>
[pid  5090] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5091] <... creat resumed>)        = 10
[pid  5091] creat("./file1", 000)       = 11
[pid  5091] creat("./file1", 000)       = 12
[pid  5091] creat("./file1", 000)       = 13
[pid  5091] creat("./file1", 000)       = 14
[pid  5091] creat("./file1", 000)       = 15
[pid  5091] creat("./file1", 000)       = 16
[pid  5091] creat("./file1", 000)       = 17
[pid  5091] creat("./file1", 000)       = 18
[pid  5091] creat("./file1", 000)       = 19
[pid  5091] creat("./file1", 000)       = 20
[pid  5091] creat("./file1", 000)       = 21
[pid  5091] creat("./file1", 000)       = 22
[pid  5091] creat("./file1", 000)       = 23
[   59.189881][ T5090] loop0: detected capacity change from 0 to 1024
[pid  5091] creat("./file1", 000)       = 24
[pid  5091] creat("./file1", 000)       = 25
[pid  5091] creat("./file1", 000)       = 26
[pid  5091] creat("./file1", 000)       = 27
[pid  5091] creat("./file1", 000)       = 28
[pid  5091] creat("./file1", 000)       = 29
[pid  5091] creat("./file1", 000)       = 30
[pid  5091] creat("./file1", 000)       = 31
[pid  5091] creat("./file1", 000)       = 32
[pid  5089] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5091] creat("./file1", 000)       = 33
[pid  5091] creat("./file1", 000)       = 34
[pid  5091] creat("./file1", 000)       = 35
[pid  5091] creat("./file1", 000)       = 36
[pid  5091] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5091] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5089] exit_group(0 <unfinished ...>
[pid  5090] <... futex resumed>)        = ?
[pid  5091] <... futex resumed>)        = ?
[pid  5089] <... exit_group resumed>)   = ?
[pid  5091] +++ exited with 0 +++
[pid  5090] +++ exited with 0 +++
[pid  5089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./20/bus")                       = 0
umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20")                           = 0
mkdir("./21", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached
, child_tidptr=0x555555967690) = 5092
[pid  5092] set_robust_list(0x5555559676a0, 24) = 0
[pid  5092] chdir("./21")               = 0
[pid  5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5092] setpgid(0, 0)               = 0
[pid  5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5092] write(3, "1000", 4)         = 4
[pid  5092] close(3)                    = 0
[pid  5092] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5092] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5092] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5092] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5092] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5093 attached
 => {parent_tid=[5093]}, 88) = 5093
[pid  5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5092] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5092] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5093] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5093] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5093] memfd_create("syzkaller", 0) = 3
[pid  5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[   59.278878][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5093] munmap(0x7f329307d000, 524288) = 0
[pid  5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5093] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5093] close(3)                    = 0
[pid  5093] mkdir("./bus", 0777)        = 0
[pid  5093] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5093] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5093] chdir("./bus")              = 0
[pid  5093] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5093] close(4)                    = 0
[pid  5093] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5093] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5092] <... futex resumed>)        = 0
[pid  5092] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5093] <... futex resumed>)        = 0
[pid  5092] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5092] <... futex resumed>)        = 0
[pid  5093] <... rename resumed>)       = 0
[pid  5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5092] <... mmap resumed>)         = 0x7f32930dc000
[pid  5093] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5092] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5093] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5092] <... mprotect resumed>)     = 0
[pid  5093] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5092] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5092] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5093] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus"./strace-static-x86_64: Process 5094 attached
)  = -1 ENOENT (No such file or directory)
[pid  5092] <... clone3 resumed> => {parent_tid=[5094]}, 88) = 5094
[pid  5094] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5093] rename("./file1", "./bus" <unfinished ...>
[pid  5094] <... rseq resumed>)         = 0
[pid  5093] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5092] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5093] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5093] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5094] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5092] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5094] <... set_robust_list resumed>) = 0
[pid  5092] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5094] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5092] <... futex resumed>)        = 0
[pid  5094] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5092] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5094] creat("./file1", 000)       = 4
[pid  5094] creat("./file1", 000)       = 5
[pid  5094] creat("./file1", 000)       = 6
[pid  5094] creat("./file1", 000)       = 7
[pid  5094] creat("./file1", 000)       = 8
[pid  5094] creat("./file1", 000)       = 9
[pid  5094] creat("./file1", 000)       = 10
[pid  5094] creat("./file1", 000)       = 11
[pid  5094] creat("./file1", 000)       = 12
[   59.341181][ T5093] loop0: detected capacity change from 0 to 1024
[pid  5094] creat("./file1", 000)       = 13
[pid  5094] creat("./file1", 000)       = 14
[pid  5094] creat("./file1", 000)       = 15
[pid  5094] creat("./file1", 000)       = 16
[pid  5094] creat("./file1", 000)       = 17
[pid  5094] creat("./file1", 000)       = 18
[pid  5094] creat("./file1", 000)       = 19
[pid  5094] creat("./file1", 000)       = 20
[pid  5094] creat("./file1", 000)       = 21
[pid  5094] creat("./file1", 000)       = 22
[pid  5094] creat("./file1", 000)       = 23
[pid  5094] creat("./file1", 000)       = 24
[pid  5094] creat("./file1", 000)       = 25
[pid  5094] creat("./file1", 000)       = 26
[pid  5094] creat("./file1", 000)       = 27
[pid  5094] creat("./file1", 000)       = 28
[pid  5094] creat("./file1", 000)       = 29
[pid  5094] creat("./file1", 000)       = 30
[pid  5094] creat("./file1", 000)       = 31
[pid  5094] creat("./file1", 000)       = 32
[pid  5094] creat("./file1", 000)       = 33
[pid  5094] creat("./file1", 000)       = 34
[pid  5094] creat("./file1", 000)       = 35
[pid  5094] creat("./file1", 000)       = 36
[pid  5094] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5092] <... futex resumed>)        = 0
[pid  5094] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5092] exit_group(0 <unfinished ...>
[pid  5094] <... futex resumed>)        = ?
[pid  5092] <... exit_group resumed>)   = ?
[pid  5093] <... futex resumed>)        = ?
[pid  5094] +++ exited with 0 +++
[pid  5093] +++ exited with 0 +++
[pid  5092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./21/bus")                       = 0
umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21")                           = 0
mkdir("./22", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
, child_tidptr=0x555555967690) = 5095
[pid  5095] set_robust_list(0x5555559676a0, 24) = 0
[pid  5095] chdir("./22")               = 0
[pid  5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5095] setpgid(0, 0)               = 0
[pid  5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5095] write(3, "1000", 4)         = 4
[pid  5095] close(3)                    = 0
[pid  5095] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5095] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5095] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5095] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5096 attached
 <unfinished ...>
[pid  5096] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5096] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5095] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096
[pid  5096] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5095] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5096] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5095] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5096] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5095] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5095] <... futex resumed>)        = 0
[pid  5096] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5095] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5096] <... memfd_create resumed>) = 3
[pid  5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5096] munmap(0x7f329307d000, 524288) = 0
[pid  5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   59.442046][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5096] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5096] close(3)                    = 0
[pid  5096] mkdir("./bus", 0777)        = 0
[pid  5096] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5096] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5096] chdir("./bus")              = 0
[pid  5096] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5096] close(4)                    = 0
[pid  5096] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5095] <... futex resumed>)        = 0
[pid  5096] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5095] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5096] <... futex resumed>)        = 0
[pid  5095] <... futex resumed>)        = 1
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5096] <... rename resumed>)       = 0
[pid  5095] <... futex resumed>)        = 0
[pid  5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] <... mmap resumed>)         = 0x7f32930dc000
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5095] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] <... mprotect resumed>)     = 0
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5095] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus"./strace-static-x86_64: Process 5097 attached
 <unfinished ...>
[pid  5097] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5095] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5097] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5095] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5097] <... set_robust_list resumed>) = 0
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5095] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5095] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5097] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5097] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5097] creat("./file1", 000)       = 4
[pid  5097] creat("./file1", 000 <unfinished ...>
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5097] <... creat resumed>)        = 5
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5097] creat("./file1", 000)       = 6
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5097] creat("./file1", 000)       = 7
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus" <unfinished ...>
[pid  5097] creat("./file1", 000 <unfinished ...>
[pid  5096] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5096] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5097] <... creat resumed>)        = 8
[pid  5097] creat("./file1", 000 <unfinished ...>
[pid  5096] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5096] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5097] <... creat resumed>)        = 9
[   59.490912][ T5096] loop0: detected capacity change from 0 to 1024
[pid  5097] creat("./file1", 000)       = 10
[pid  5097] creat("./file1", 000)       = 11
[pid  5097] creat("./file1", 000)       = 12
[pid  5097] creat("./file1", 000)       = 13
[pid  5097] creat("./file1", 000)       = 14
[pid  5097] creat("./file1", 000)       = 15
[pid  5097] creat("./file1", 000)       = 16
[pid  5097] creat("./file1", 000)       = 17
[pid  5097] creat("./file1", 000)       = 18
[pid  5097] creat("./file1", 000)       = 19
[pid  5097] creat("./file1", 000)       = 20
[pid  5097] creat("./file1", 000)       = 21
[pid  5097] creat("./file1", 000)       = 22
[pid  5097] creat("./file1", 000)       = 23
[pid  5097] creat("./file1", 000)       = 24
[pid  5097] creat("./file1", 000)       = 25
[pid  5097] creat("./file1", 000)       = 26
[pid  5097] creat("./file1", 000)       = 27
[pid  5097] creat("./file1", 000)       = 28
[pid  5097] creat("./file1", 000)       = 29
[pid  5097] creat("./file1", 000)       = 30
[pid  5097] creat("./file1", 000)       = 31
[pid  5097] creat("./file1", 000)       = 32
[pid  5097] creat("./file1", 000)       = 33
[pid  5097] creat("./file1", 000)       = 34
[pid  5097] creat("./file1", 000)       = 35
[pid  5097] creat("./file1", 000)       = 36
[pid  5097] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5095] <... futex resumed>)        = 0
[pid  5097] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5095] exit_group(0 <unfinished ...>
[pid  5096] <... futex resumed>)        = ?
[pid  5095] <... exit_group resumed>)   = ?
[pid  5097] <... futex resumed>)        = ?
[pid  5096] +++ exited with 0 +++
[pid  5097] +++ exited with 0 +++
[pid  5095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./22/bus")                       = 0
umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22")                           = 0
mkdir("./23", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x555555967690) = 5098
[pid  5098] set_robust_list(0x5555559676a0, 24) = 0
[pid  5098] chdir("./23")               = 0
[pid  5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5098] setpgid(0, 0)               = 0
[pid  5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5098] write(3, "1000", 4)         = 4
[pid  5098] close(3)                    = 0
[pid  5098] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5098] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5098] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5098] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5099 attached
 => {parent_tid=[5099]}, 88) = 5099
[pid  5099] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5098] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5099] <... rseq resumed>)         = 0
[pid  5099] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5098] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5099] <... set_robust_list resumed>) = 0
[pid  5098] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5099] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5098] <... futex resumed>)        = 0
[pid  5099] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5098] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5099] memfd_create("syzkaller", 0) = 3
[pid  5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5099] munmap(0x7f329307d000, 524288) = 0
[pid  5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   59.583816][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5099] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5099] close(3)                    = 0
[pid  5099] mkdir("./bus", 0777)        = 0
[pid  5099] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5099] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5099] chdir("./bus")              = 0
[pid  5099] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5099] close(4)                    = 0
[pid  5099] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5099] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5098] <... futex resumed>)        = 0
[pid  5098] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5098] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5100 attached
 <unfinished ...>
[pid  5099] <... futex resumed>)        = 0
[pid  5100] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5098] <... clone3 resumed> => {parent_tid=[5100]}, 88) = 5100
[pid  5100] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5098] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5100] <... set_robust_list resumed>) = 0
[pid  5098] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5100] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5098] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5100] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5099] <... rename resumed>)       = 0
[pid  5098] <... futex resumed>)        = 0
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5098] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5100] <... creat resumed>)        = 4
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 5
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 6
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 7
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 8
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 9
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 10
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 11
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 12
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 13
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 14
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 15
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] <... creat resumed>)        = 16
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 17
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 18
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 19
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 20
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 21
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 22
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 23
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 24
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000)       = 25
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 26
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 27
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] <... creat resumed>)        = 28
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] rename("./file1", "./bus" <unfinished ...>
[pid  5100] <... creat resumed>)        = 29
[pid  5099] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[   59.639933][ T5099] loop0: detected capacity change from 0 to 1024
[pid  5099] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5100] <... creat resumed>)        = 30
[pid  5099] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5100] creat("./file1", 000 <unfinished ...>
[pid  5099] <... futex resumed>)        = 0
[pid  5099] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5100] <... creat resumed>)        = 31
[pid  5100] creat("./file1", 000)       = 32
[pid  5100] creat("./file1", 000)       = 33
[pid  5100] creat("./file1", 000)       = 34
[pid  5100] creat("./file1", 000)       = 35
[pid  5100] creat("./file1", 000)       = 36
[pid  5100] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] <... futex resumed>)        = 0
[pid  5100] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5098] exit_group(0 <unfinished ...>
[pid  5100] <... futex resumed>)        = ?
[pid  5100] +++ exited with 0 +++
[pid  5098] <... exit_group resumed>)   = ?
[pid  5099] <... futex resumed>)        = ?
[pid  5099] +++ exited with 0 +++
[pid  5098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./23/bus")                       = 0
umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./23/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./23")                           = 0
mkdir("./24", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
, child_tidptr=0x555555967690) = 5101
[pid  5101] set_robust_list(0x5555559676a0, 24) = 0
[pid  5101] chdir("./24")               = 0
[pid  5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5101] setpgid(0, 0)               = 0
[pid  5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5101] write(3, "1000", 4)         = 4
[pid  5101] close(3)                    = 0
[pid  5101] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5101] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5101] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5101] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0} => {parent_tid=[5102]}, 88) = 5102
./strace-static-x86_64: Process 5102 attached
[pid  5101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5101] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5101] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5102] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5102] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5102] memfd_create("syzkaller", 0) = 3
[pid  5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   59.715776][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5102] munmap(0x7f329307d000, 524288) = 0
[pid  5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5102] close(3)                    = 0
[pid  5102] mkdir("./bus", 0777)        = 0
[pid  5102] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5102] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5102] chdir("./bus")              = 0
[pid  5102] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5102] close(4)                    = 0
[pid  5102] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5102] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5101] <... futex resumed>)        = 0
[pid  5101] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5102] <... futex resumed>)        = 0
[pid  5101] <... futex resumed>)        = 1
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5101] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5101] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5101] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5102] <... rename resumed>)       = 0
[pid  5101] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5103 attached
 <unfinished ...>
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5101] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103
[pid  5101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5101] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5101] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5103] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5103] <... rseq resumed>)         = 0
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5103] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 4
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 5
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 6
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 7
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 8
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 9
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   59.783317][ T5102] loop0: detected capacity change from 0 to 1024
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 10
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5103] <... creat resumed>)        = 11
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5103] <... creat resumed>)        = 12
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 13
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 14
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 15
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] rename("./file1", "./bus" <unfinished ...>
[pid  5103] <... creat resumed>)        = 16
[pid  5103] creat("./file1", 000 <unfinished ...>
[pid  5102] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5102] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5102] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5103] <... creat resumed>)        = 17
[pid  5102] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5103] creat("./file1", 000)       = 18
[pid  5103] creat("./file1", 000)       = 19
[pid  5103] creat("./file1", 000)       = 20
[pid  5103] creat("./file1", 000)       = 21
[pid  5103] creat("./file1", 000)       = 22
[pid  5103] creat("./file1", 000)       = 23
[pid  5103] creat("./file1", 000)       = 24
[pid  5103] creat("./file1", 000)       = 25
[pid  5103] creat("./file1", 000)       = 26
[pid  5103] creat("./file1", 000)       = 27
[pid  5103] creat("./file1", 000)       = 28
[pid  5103] creat("./file1", 000)       = 29
[pid  5103] creat("./file1", 000)       = 30
[pid  5103] creat("./file1", 000)       = 31
[pid  5103] creat("./file1", 000)       = 32
[pid  5103] creat("./file1", 000)       = 33
[pid  5103] creat("./file1", 000)       = 34
[pid  5103] creat("./file1", 000)       = 35
[pid  5103] creat("./file1", 000)       = 36
[pid  5103] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5101] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5103] <... futex resumed>)        = 0
[pid  5101] exit_group(0 <unfinished ...>
[pid  5103] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  5102] <... futex resumed>)        = ?
[pid  5101] <... exit_group resumed>)   = ?
[pid  5103] +++ exited with 0 +++
[pid  5102] +++ exited with 0 +++
[pid  5101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./24/bus")                       = 0
umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./24/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./24")                           = 0
mkdir("./25", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached
, child_tidptr=0x555555967690) = 5104
[pid  5104] set_robust_list(0x5555559676a0, 24) = 0
[pid  5104] chdir("./25")               = 0
[pid  5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5104] setpgid(0, 0)               = 0
[pid  5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5104] write(3, "1000", 4)         = 4
[pid  5104] close(3)                    = 0
[pid  5104] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5104] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5104] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5104] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5105 attached
 => {parent_tid=[5105]}, 88) = 5105
[pid  5105] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5105] <... rseq resumed>)         = 0
[pid  5105] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5104] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5105] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5104] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5105] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5105] memfd_create("syzkaller", 0) = 3
[pid  5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   59.881707][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5105] munmap(0x7f329307d000, 524288) = 0
[pid  5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5105] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5105] close(3)                    = 0
[pid  5105] mkdir("./bus", 0777)        = 0
[pid  5105] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5105] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5105] chdir("./bus")              = 0
[pid  5105] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5105] close(4)                    = 0
[pid  5105] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5104] <... futex resumed>)        = 0
[pid  5105] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5104] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5104] <... futex resumed>)        = 0
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5104] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5105] <... rename resumed>)       = 0
[pid  5104] <... futex resumed>)        = 0
[pid  5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5104] <... mmap resumed>)         = 0x7f32930dc000
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5104] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus"./strace-static-x86_64: Process 5106 attached
 <unfinished ...>
[pid  5104] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106
[pid  5106] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5104] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5106] <... rseq resumed>)         = 0
[pid  5104] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5106] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5104] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5106] <... set_robust_list resumed>) = 0
[pid  5106] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5104] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5106] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 4
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 5
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 6
[pid  5106] creat("./file1", 000)       = 7
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000)       = 8
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 9
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 10
[pid  5106] creat("./file1", 000)       = 11
[pid  5106] creat("./file1", 000)       = 12
[pid  5106] creat("./file1", 000)       = 13
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 14
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 15
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000)       = 16
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 17
[pid  5106] creat("./file1", 000)       = 18
[pid  5106] creat("./file1", 000)       = 19
[pid  5106] creat("./file1", 000)       = 20
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 21
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 22
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 23
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 24
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 25
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 26
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 27
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[   59.932908][ T5105] loop0: detected capacity change from 0 to 1024
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 28
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 29
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000)       = 30
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 31
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] <... creat resumed>)        = 32
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 33
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 34
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000 <unfinished ...>
[pid  5105] rename("./file1", "./bus" <unfinished ...>
[pid  5106] <... creat resumed>)        = 35
[pid  5105] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5106] creat("./file1", 000)       = 36
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5106] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5104] <... futex resumed>)        = 0
[pid  5106] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5105] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5105] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5105] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5104] exit_group(0)               = ?
[pid  5106] <... futex resumed>)        = ?
[pid  5106] +++ exited with 0 +++
[pid  5105] <... futex resumed>)        = ?
[pid  5105] +++ exited with 0 +++
[pid  5104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./25/bus")                       = 0
umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./25/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./25")                           = 0
mkdir("./26", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5107
./strace-static-x86_64: Process 5107 attached
[pid  5107] set_robust_list(0x5555559676a0, 24) = 0
[pid  5107] chdir("./26")               = 0
[pid  5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5107] setpgid(0, 0)               = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5107] write(3, "1000", 4)         = 4
[pid  5107] close(3)                    = 0
[pid  5107] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5107] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5107] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5107] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5108 attached
 => {parent_tid=[5108]}, 88) = 5108
[pid  5108] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5108] set_robust_list(0x7f329b49d9a0, 24) = 0
[pid  5107] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5108] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5107] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5108] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5107] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5108] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5107] <... futex resumed>)        = 0
[pid  5107] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5108] <... memfd_create resumed>) = 3
[pid  5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   60.016010][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5108] munmap(0x7f329307d000, 524288) = 0
[pid  5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5108] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5108] close(3)                    = 0
[pid  5108] mkdir("./bus", 0777)        = 0
[pid  5108] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5108] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5108] chdir("./bus")              = 0
[pid  5108] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5108] close(4)                    = 0
[pid  5108] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5107] <... futex resumed>)        = 0
[pid  5108] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5107] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5108] <... futex resumed>)        = 0
[pid  5107] <... futex resumed>)        = 1
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5107] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5107] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5109 attached
 <unfinished ...>
[pid  5109] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5107] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109
[pid  5109] <... rseq resumed>)         = 0
[pid  5107] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5109] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5107] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5109] <... set_robust_list resumed>) = 0
[pid  5109] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5107] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5109] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5107] <... futex resumed>)        = 0
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = 0
[pid  5107] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5109] <... creat resumed>)        = 4
[pid  5109] creat("./file1", 000)       = 5
[pid  5109] creat("./file1", 000)       = 6
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000)       = 7
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 8
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 9
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 10
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 11
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 12
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 13
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 14
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000)       = 15
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 16
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 17
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 18
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[   60.082289][ T5108] loop0: detected capacity change from 0 to 1024
[pid  5109] <... creat resumed>)        = 19
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 20
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 21
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] <... creat resumed>)        = 22
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus" <unfinished ...>
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 23
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5108] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5109] <... creat resumed>)        = 24
[pid  5108] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5108] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5109] creat("./file1", 000)       = 25
[pid  5109] creat("./file1", 000)       = 26
[pid  5109] creat("./file1", 000)       = 27
[pid  5109] creat("./file1", 000)       = 28
[pid  5109] creat("./file1", 000)       = 29
[pid  5109] creat("./file1", 000)       = 30
[pid  5109] creat("./file1", 000)       = 31
[pid  5109] creat("./file1", 000)       = 32
[pid  5109] creat("./file1", 000)       = 33
[pid  5109] creat("./file1", 000)       = 34
[pid  5109] creat("./file1", 000 <unfinished ...>
[pid  5107] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5109] <... creat resumed>)        = 35
[pid  5109] creat("./file1", 000)       = 36
[pid  5109] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5109] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5107] exit_group(0 <unfinished ...>
[pid  5109] <... futex resumed>)        = ?
[pid  5108] <... futex resumed>)        = ?
[pid  5107] <... exit_group resumed>)   = ?
[pid  5109] +++ exited with 0 +++
[pid  5108] +++ exited with 0 +++
[pid  5107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./26/bus")                       = 0
umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./26/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./26")                           = 0
mkdir("./27", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
, child_tidptr=0x555555967690) = 5110
[pid  5110] set_robust_list(0x5555559676a0, 24) = 0
[pid  5110] chdir("./27")               = 0
[pid  5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5110] setpgid(0, 0)               = 0
[pid  5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5110] write(3, "1000", 4)         = 4
[pid  5110] close(3)                    = 0
[pid  5110] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5110] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5110] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5110] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5110] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5111 attached
 => {parent_tid=[5111]}, 88) = 5111
[pid  5111] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053) = 0
[pid  5111] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5110] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5111] <... set_robust_list resumed>) = 0
[pid  5110] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5111] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5110] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5111] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5111] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5110] <... futex resumed>)        = 0
[pid  5110] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5111] <... memfd_create resumed>) = 3
[pid  5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5111] munmap(0x7f329307d000, 524288) = 0
[pid  5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   60.173036][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5111] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5111] close(3)                    = 0
[pid  5111] mkdir("./bus", 0777)        = 0
[pid  5111] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5111] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5111] chdir("./bus")              = 0
[pid  5111] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5111] close(4)                    = 0
[pid  5111] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5110] <... futex resumed>)        = 0
[pid  5111] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5110] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5110] <... futex resumed>)        = 0
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5110] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5111] <... rename resumed>)       = 0
[pid  5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5110] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5110] <... mprotect resumed>)     = 0
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5110] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5110] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5112 attached
 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5110] <... clone3 resumed> => {parent_tid=[5112]}, 88) = 5112
[pid  5112] <... rseq resumed>)         = 0
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5110] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5112] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5110] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5112] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5110] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5110] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5112] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000)       = 4
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] <... creat resumed>)        = 5
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 6
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 7
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 8
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 9
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 10
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5112] <... creat resumed>)        = 11
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 12
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000)       = 13
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 14
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 15
[   60.223580][ T5111] loop0: detected capacity change from 0 to 1024
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 16
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] creat("./file1", 000)       = 17
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 18
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 19
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 20
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5111] rename("./file1", "./bus" <unfinished ...>
[pid  5112] <... creat resumed>)        = 21
[pid  5111] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5112] creat("./file1", 000 <unfinished ...>
[pid  5111] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5111] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5112] <... creat resumed>)        = 22
[pid  5112] creat("./file1", 000)       = 23
[pid  5112] creat("./file1", 000)       = 24
[pid  5112] creat("./file1", 000)       = 25
[pid  5112] creat("./file1", 000)       = 26
[pid  5112] creat("./file1", 000)       = 27
[pid  5112] creat("./file1", 000)       = 28
[pid  5112] creat("./file1", 000)       = 29
[pid  5112] creat("./file1", 000)       = 30
[pid  5112] creat("./file1", 000)       = 31
[pid  5112] creat("./file1", 000)       = 32
[pid  5112] creat("./file1", 000)       = 33
[pid  5112] creat("./file1", 000)       = 34
[pid  5112] creat("./file1", 000)       = 35
[pid  5112] creat("./file1", 000)       = 36
[pid  5112] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5110] <... futex resumed>)        = 0
[pid  5112] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5110] exit_group(0)               = ?
[pid  5111] <... futex resumed>)        = ?
[pid  5112] <... futex resumed>)        = ?
[pid  5111] +++ exited with 0 +++
[pid  5112] +++ exited with 0 +++
[pid  5110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./27/bus")                       = 0
umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./27/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./27")                           = 0
mkdir("./28", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5113
./strace-static-x86_64: Process 5113 attached
[pid  5113] set_robust_list(0x5555559676a0, 24) = 0
[pid  5113] chdir("./28")               = 0
[pid  5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5113] setpgid(0, 0)               = 0
[pid  5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5113] write(3, "1000", 4)         = 4
[pid  5113] close(3)                    = 0
[pid  5113] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5113] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5113] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5113] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5114 attached
 <unfinished ...>
[pid  5114] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5113] <... clone3 resumed> => {parent_tid=[5114]}, 88) = 5114
[pid  5114] <... rseq resumed>)         = 0
[pid  5113] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5114] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5113] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5114] <... set_robust_list resumed>) = 0
[pid  5113] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5113] <... futex resumed>)        = 0
[pid  5114] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5113] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5114] <... memfd_create resumed>) = 3
[pid  5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5114] munmap(0x7f329307d000, 524288) = 0
[pid  5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   60.318087][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5114] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5114] close(3)                    = 0
[pid  5114] mkdir("./bus", 0777)        = 0
[pid  5114] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5114] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5114] chdir("./bus")              = 0
[pid  5114] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5114] close(4)                    = 0
[pid  5114] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5113] <... futex resumed>)        = 0
[pid  5114] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5113] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5114] <... futex resumed>)        = 0
[pid  5113] <... futex resumed>)        = 1
[pid  5114] rename("./file1", "./bus")  = 0
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5113] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5113] <... futex resumed>)        = 0
[pid  5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5113] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
./strace-static-x86_64: Process 5115 attached
[pid  5115] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5113] <... clone3 resumed> => {parent_tid=[5115]}, 88) = 5115
[pid  5115] <... rseq resumed>)         = 0
[pid  5113] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5115] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5113] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5115] <... set_robust_list resumed>) = 0
[pid  5113] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5113] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5115] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 4
[pid  5115] creat("./file1", 000)       = 5
[pid  5115] creat("./file1", 000)       = 6
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000)       = 7
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 8
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 9
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 10
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 11
[pid  5115] creat("./file1", 000)       = 12
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 13
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 14
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 15
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 16
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 17
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 18
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 19
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 20
[pid  5114] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] <... creat resumed>)        = 21
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 22
[   60.370686][ T5114] loop0: detected capacity change from 0 to 1024
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 23
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 24
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 25
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 26
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 27
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 28
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 29
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 30
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] <... creat resumed>)        = 31
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] creat("./file1", 000)       = 32
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5114] rename("./file1", "./bus" <unfinished ...>
[pid  5115] <... creat resumed>)        = 33
[pid  5115] creat("./file1", 000 <unfinished ...>
[pid  5114] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5115] <... creat resumed>)        = 34
[pid  5115] creat("./file1", 000)       = 35
[pid  5114] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5114] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5115] creat("./file1", 000)       = 36
[pid  5115] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5113] <... futex resumed>)        = 0
[pid  5113] exit_group(0 <unfinished ...>
[pid  5115] <... futex resumed>)        = ?
[pid  5115] +++ exited with 0 +++
[pid  5114] <... futex resumed>)        = ?
[pid  5113] <... exit_group resumed>)   = ?
[pid  5114] +++ exited with 0 +++
[pid  5113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./28/bus")                       = 0
umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./28/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./28")                           = 0
mkdir("./29", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached
 <unfinished ...>
[pid  5116] set_robust_list(0x5555559676a0, 24 <unfinished ...>
[pid  5027] <... clone resumed>, child_tidptr=0x555555967690) = 5116
[pid  5116] <... set_robust_list resumed>) = 0
[pid  5116] chdir("./29")               = 0
[pid  5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5116] setpgid(0, 0)               = 0
[pid  5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5116] write(3, "1000", 4)         = 4
[pid  5116] close(3)                    = 0
[pid  5116] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5116] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5116] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5116] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5117 attached
 <unfinished ...>
[pid  5117] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5116] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117
[pid  5117] <... rseq resumed>)         = 0
[pid  5116] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5117] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5116] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5117] <... set_robust_list resumed>) = 0
[pid  5116] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5116] <... futex resumed>)        = 0
[pid  5117] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5116] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5117] <... memfd_create resumed>) = 3
[pid  5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[   60.457958][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5117] munmap(0x7f329307d000, 524288) = 0
[pid  5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5117] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5117] close(3)                    = 0
[pid  5117] mkdir("./bus", 0777)        = 0
[pid  5117] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5117] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5117] chdir("./bus")              = 0
[pid  5117] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5117] close(4)                    = 0
[pid  5117] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5117] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5116] <... futex resumed>)        = 0
[pid  5116] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5117] <... futex resumed>)        = 0
[pid  5116] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5117] rename("./file1", "./bus")  = 0
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] <... futex resumed>)        = 0
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5116] <... mmap resumed>)         = 0x7f32930dc000
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5116] <... mprotect resumed>)     = 0
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5116] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5116] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
./strace-static-x86_64: Process 5118 attached
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5118] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5116] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118
[pid  5118] <... rseq resumed>)         = 0
[pid  5118] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5118] <... set_robust_list resumed>) = 0
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5116] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5118] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5116] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5118] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5116] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5118] <... creat resumed>)        = 4
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5118] <... creat resumed>)        = 5
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5118] creat("./file1", 000)       = 6
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5118] <... creat resumed>)        = 7
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] rename("./file1", "./bus" <unfinished ...>
[pid  5118] <... creat resumed>)        = 8
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5118] <... creat resumed>)        = 9
[pid  5117] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5118] creat("./file1", 000 <unfinished ...>
[pid  5117] <... futex resumed>)        = 0
[pid  5117] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5118] <... creat resumed>)        = 10
[pid  5118] creat("./file1", 000)       = 11
[pid  5118] creat("./file1", 000)       = 12
[pid  5118] creat("./file1", 000)       = 13
[pid  5118] creat("./file1", 000)       = 14
[pid  5118] creat("./file1", 000)       = 15
[   60.523449][ T5117] loop0: detected capacity change from 0 to 1024
[pid  5118] creat("./file1", 000)       = 16
[pid  5118] creat("./file1", 000)       = 17
[pid  5118] creat("./file1", 000)       = 18
[pid  5118] creat("./file1", 000)       = 19
[pid  5118] creat("./file1", 000)       = 20
[pid  5118] creat("./file1", 000)       = 21
[pid  5118] creat("./file1", 000)       = 22
[pid  5118] creat("./file1", 000)       = 23
[pid  5118] creat("./file1", 000)       = 24
[pid  5118] creat("./file1", 000)       = 25
[pid  5118] creat("./file1", 000)       = 26
[pid  5118] creat("./file1", 000)       = 27
[pid  5118] creat("./file1", 000)       = 28
[pid  5118] creat("./file1", 000)       = 29
[pid  5118] creat("./file1", 000)       = 30
[pid  5118] creat("./file1", 000)       = 31
[pid  5118] creat("./file1", 000)       = 32
[pid  5118] creat("./file1", 000)       = 33
[pid  5118] creat("./file1", 000)       = 34
[pid  5118] creat("./file1", 000)       = 35
[pid  5118] creat("./file1", 000)       = 36
[pid  5118] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5116] <... futex resumed>)        = 0
[pid  5118] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5116] exit_group(0 <unfinished ...>
[pid  5118] <... futex resumed>)        = ?
[pid  5117] <... futex resumed>)        = ?
[pid  5116] <... exit_group resumed>)   = ?
[pid  5118] +++ exited with 0 +++
[pid  5117] +++ exited with 0 +++
[pid  5116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./29/bus")                       = 0
umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./29/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./29")                           = 0
mkdir("./30", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached
, child_tidptr=0x555555967690) = 5119
[pid  5119] set_robust_list(0x5555559676a0, 24) = 0
[pid  5119] chdir("./30")               = 0
[pid  5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5119] setpgid(0, 0)               = 0
[pid  5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5119] write(3, "1000", 4)         = 4
[pid  5119] close(3)                    = 0
[pid  5119] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5119] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5119] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5119] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5120 attached
 => {parent_tid=[5120]}, 88) = 5120
[pid  5120] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5119] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5120] <... rseq resumed>)         = 0
[pid  5120] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5119] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5120] <... set_robust_list resumed>) = 0
[pid  5119] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5120] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5119] <... futex resumed>)        = 0
[pid  5120] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5119] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5120] memfd_create("syzkaller", 0) = 3
[pid  5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5120] munmap(0x7f329307d000, 524288) = 0
[pid  5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   60.619748][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5120] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5120] close(3)                    = 0
[pid  5120] mkdir("./bus", 0777)        = 0
[pid  5120] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5120] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5120] chdir("./bus")              = 0
[pid  5120] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5120] close(4)                    = 0
[pid  5120] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5120] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5119] <... futex resumed>)        = 0
[pid  5119] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5120] <... futex resumed>)        = 0
[pid  5120] rename("./file1", "./bus")  = 0
[pid  5119] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5119] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5121 attached
 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053) = 0
[pid  5121] set_robust_list(0x7f32930fc9a0, 24) = 0
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5119] <... clone3 resumed> => {parent_tid=[5121]}, 88) = 5121
[pid  5121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5121] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5119] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5119] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5119] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5119] <... futex resumed>)        = 1
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5119] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5121] <... futex resumed>)        = 0
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 4
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] <... creat resumed>)        = 5
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000)       = 6
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000)       = 7
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] <... creat resumed>)        = 8
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 9
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 10
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 11
[   60.663803][ T5120] loop0: detected capacity change from 0 to 1024
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 12
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] <... creat resumed>)        = 13
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 14
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 15
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 16
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 17
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5120] rename("./file1", "./bus" <unfinished ...>
[pid  5121] <... creat resumed>)        = 18
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5120] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5121] <... creat resumed>)        = 19
[pid  5120] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5120] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5120] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5121] creat("./file1", 000)       = 20
[pid  5121] creat("./file1", 000)       = 21
[pid  5121] creat("./file1", 000)       = 22
[pid  5121] creat("./file1", 000)       = 23
[pid  5121] creat("./file1", 000)       = 24
[pid  5121] creat("./file1", 000)       = 25
[pid  5121] creat("./file1", 000)       = 26
[pid  5121] creat("./file1", 000)       = 27
[pid  5121] creat("./file1", 000)       = 28
[pid  5121] creat("./file1", 000)       = 29
[pid  5121] creat("./file1", 000)       = 30
[pid  5121] creat("./file1", 000)       = 31
[pid  5121] creat("./file1", 000)       = 32
[pid  5121] creat("./file1", 000)       = 33
[pid  5121] creat("./file1", 000)       = 34
[pid  5121] creat("./file1", 000 <unfinished ...>
[pid  5119] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5121] <... creat resumed>)        = 35
[pid  5121] creat("./file1", 000)       = 36
[pid  5121] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5121] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5119] exit_group(0)               = ?
[pid  5121] <... futex resumed>)        = ?
[pid  5120] <... futex resumed>)        = ?
[pid  5121] +++ exited with 0 +++
[pid  5120] +++ exited with 0 +++
[pid  5119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./30/bus")                       = 0
umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./30/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./30")                           = 0
mkdir("./31", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555967690) = 5122
./strace-static-x86_64: Process 5122 attached
[pid  5122] set_robust_list(0x5555559676a0, 24) = 0
[pid  5122] chdir("./31")               = 0
[pid  5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5122] setpgid(0, 0)               = 0
[pid  5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5122] write(3, "1000", 4)         = 4
[pid  5122] close(3)                    = 0
[pid  5122] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5122] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5122] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5122] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5123 attached
 <unfinished ...>
[pid  5123] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5122] <... clone3 resumed> => {parent_tid=[5123]}, 88) = 5123
[pid  5123] <... rseq resumed>)         = 0
[pid  5122] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5123] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5122] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5123] <... set_robust_list resumed>) = 0
[pid  5122] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5123] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5122] <... futex resumed>)        = 0
[pid  5123] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5123] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5122] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5123] <... memfd_create resumed>) = 3
[pid  5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5123] munmap(0x7f329307d000, 524288) = 0
[pid  5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   60.763018][   T48] hfsplus: b-tree write err: -5, ino 8
[pid  5123] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5123] close(3)                    = 0
[pid  5123] mkdir("./bus", 0777)        = 0
[pid  5123] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5123] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5123] chdir("./bus")              = 0
[pid  5123] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5123] close(4)                    = 0
[pid  5123] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5122] <... futex resumed>)        = 0
[pid  5123] <... futex resumed>)        = 1
[pid  5122] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5122] <... futex resumed>)        = 0
[pid  5122] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5123] <... rename resumed>)       = 0
[pid  5122] <... futex resumed>)        = 0
[pid  5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5122] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0} <unfinished ...>
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5122] <... clone3 resumed> => {parent_tid=[5124]}, 88) = 5124
./strace-static-x86_64: Process 5124 attached
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5122] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5122] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5124] <... rseq resumed>)         = 0
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5122] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5124] <... set_robust_list resumed>) = 0
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5122] <... futex resumed>)        = 0
[pid  5124] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5122] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5124] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 4
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 5
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5124] <... creat resumed>)        = 6
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 7
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 8
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 9
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 10
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 11
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 12
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 13
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5124] <... creat resumed>)        = 14
[pid  5124] creat("./file1", 000 <unfinished ...>
[pid  5123] rename("./file1", "./bus" <unfinished ...>
[pid  5124] <... creat resumed>)        = 15
[pid  5123] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5124] creat("./file1", 000)       = 16
[pid  5123] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5124] creat("./file1", 000)       = 17
[pid  5123] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5123] futex(0x7f329b5696a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5124] creat("./file1", 000)       = 18
[pid  5124] creat("./file1", 000)       = 19
[pid  5124] creat("./file1", 000)       = 20
[pid  5124] creat("./file1", 000)       = 21
[   60.817450][ T5123] loop0: detected capacity change from 0 to 1024
[pid  5124] creat("./file1", 000)       = 22
[pid  5124] creat("./file1", 000)       = 23
[pid  5124] creat("./file1", 000)       = 24
[pid  5124] creat("./file1", 000)       = 25
[pid  5124] creat("./file1", 000)       = 26
[pid  5124] creat("./file1", 000)       = 27
[pid  5124] creat("./file1", 000)       = 28
[pid  5124] creat("./file1", 000)       = 29
[pid  5124] creat("./file1", 000)       = 30
[pid  5124] creat("./file1", 000)       = 31
[pid  5124] creat("./file1", 000)       = 32
[pid  5124] creat("./file1", 000)       = 33
[pid  5124] creat("./file1", 000)       = 34
[pid  5124] creat("./file1", 000)       = 35
[pid  5124] creat("./file1", 000)       = 36
[pid  5124] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5122] <... futex resumed>)        = 0
[pid  5124] futex(0x7f329b5696b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5122] exit_group(0 <unfinished ...>
[pid  5123] <... futex resumed>)        = ?
[pid  5122] <... exit_group resumed>)   = ?
[pid  5124] <... futex resumed>)        = ?
[pid  5124] +++ exited with 0 +++
[pid  5123] +++ exited with 0 +++
[pid  5122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555968730 /* 4 entries */, 32768) = 104
umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555555970770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555555970770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./31/bus")                       = 0
umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./31/binderfs")                 = 0
getdents64(3, 0x555555968730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./31")                           = 0
mkdir("./32", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached
, child_tidptr=0x555555967690) = 5125
[pid  5125] set_robust_list(0x5555559676a0, 24) = 0
[pid  5125] chdir("./32")               = 0
[pid  5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5125] setpgid(0, 0)               = 0
[pid  5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5125] write(3, "1000", 4)         = 4
[pid  5125] close(3)                    = 0
[pid  5125] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5125] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5125] rt_sigaction(SIGRT_1, {sa_handler=0x7f329b506eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f329b4f8060}, NULL, 8) = 0
[pid  5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329b47d000
[pid  5125] mprotect(0x7f329b47e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329b49d990, parent_tid=0x7f329b49d990, exit_signal=0, stack=0x7f329b47d000, stack_size=0x20300, tls=0x7f329b49d6c0}./strace-static-x86_64: Process 5126 attached
 <unfinished ...>
[pid  5126] rseq(0x7f329b49dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5125] <... clone3 resumed> => {parent_tid=[5126]}, 88) = 5126
[pid  5126] <... rseq resumed>)         = 0
[pid  5125] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5126] set_robust_list(0x7f329b49d9a0, 24 <unfinished ...>
[pid  5125] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5126] <... set_robust_list resumed>) = 0
[pid  5125] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5126] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5125] <... futex resumed>)        = 0
[pid  5126] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5125] futex(0x7f329b5696ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5126] memfd_create("syzkaller", 0) = 3
[pid  5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f329307d000
[pid  5126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid  5126] munmap(0x7f329307d000, 524288) = 0
[pid  5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   60.899763][   T12] hfsplus: b-tree write err: -5, ino 8
[pid  5126] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5126] close(3)                    = 0
[pid  5126] mkdir("./bus", 0777)        = 0
[pid  5126] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0
[pid  5126] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5126] chdir("./bus")              = 0
[pid  5126] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5126] close(4)                    = 0
[pid  5126] futex(0x7f329b5696ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5125] <... futex resumed>)        = 0
[pid  5125] futex(0x7f329b5696a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5125] futex(0x7f329b5696bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f32930dc000
[pid  5125] mprotect(0x7f32930dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5125] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5126] rename("./file1", "./bus" <unfinished ...>
[pid  5125] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f32930fc990, parent_tid=0x7f32930fc990, exit_signal=0, stack=0x7f32930dc000, stack_size=0x20300, tls=0x7f32930fc6c0}./strace-static-x86_64: Process 5127 attached
 <unfinished ...>
[pid  5127] rseq(0x7f32930fcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5125] <... clone3 resumed> => {parent_tid=[5127]}, 88) = 5127
[pid  5127] <... rseq resumed>)         = 0
[pid  5125] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5127] set_robust_list(0x7f32930fc9a0, 24 <unfinished ...>
[pid  5125] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5127] <... set_robust_list resumed>) = 0
[pid  5127] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5125] futex(0x7f329b5696b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5127] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5125] <... futex resumed>)        = 0
[pid  5127] creat("./file1", 000 <unfinished ...>
[pid  5125] futex(0x7f329b5696bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5126] <... rename resumed>)       = 0
[pid  5126] rename("./file1", "./bus")  = -1 ENOENT (No such file or directory)
[pid  5126] rename("./file1", "./bus" <unfinished ...>
[pid  5127] <... creat resumed>)        = 4
[pid  5126] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5126] rename("./file1", "./bus" <unfinished ...>
[pid  5127] creat("./file1", 000)       = 5
[pid  5127] creat("./file1", 000 <unfinished ...>
[pid  5126] <... rename resumed>)       = -1 ENOENT (No such file or directory)
[pid  5127] <... creat resumed>)        = 6
[pid  5126] rename("./file1", "./bus" <unfinished ...>
[   60.946879][ T5126] loop0: detected capacity change from 0 to 1024
[   60.983992][ T5126] ------------[ cut here ]------------
[   60.989941][ T5126] WARNING: CPU: 0 PID: 5126 at fs/inode.c:330 drop_nlink+0xbf/0x100
[   60.998027][ T5126] Modules linked in:
[   61.001935][ T5126] CPU: 0 PID: 5126 Comm: syz-executor249 Not tainted 6.6.0-rc3-syzkaller-00146-g9f3ebbef746f #0
[   61.012515][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[   61.022601][ T5126] RIP: 0010:drop_nlink+0xbf/0x100
[   61.027851][ T5126] Code: 49 8b 1e 48 8d bb 70 07 00 00 be 08 00 00 00 e8 17 e4 e8 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 31 70 8e ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[pid  5127] creat("./file1", 000 <unfinished ...>
[pid  5125] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   61.047543][ T5126] RSP: 0018:ffffc900042ff950 EFLAGS: 00010293
[   61.053635][ T5126] RAX: ffffffff81ff9a3f RBX: 1ffff1100f768627 RCX: ffff88807b6a1dc0
[   61.061761][ T5126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   61.069786][ T5126] RBP: 0000000000000000 R08: ffffffff81ff99c3 R09: 1ffff9200085fe8c
[   61.077813][ T5126] R10: dffffc0000000000 R11: fffff5200085fe8d R12: ffff88807bb43138
[   61.085809][ T5126] R13: ffff888078b11370 R14: ffff88807bb430f0 R15: dffffc0000000000
[   61.093879][ T5126] FS:  00007f329b49d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   61.103107][ T5126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.109742][ T5126] CR2: 00007f32930fcd58 CR3: 000000001fb14000 CR4: 00000000003506f0
[   61.117748][ T5126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   61.125991][ T5126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   61.134043][ T5126] Call Trace:
[   61.137403][ T5126]  <TASK>
[   61.140339][ T5126]  ? __warn+0x162/0x4a0
[   61.144600][ T5126]  ? drop_nlink+0xbf/0x100
[   61.149086][ T5126]  ? report_bug+0x2b3/0x500
[   61.153606][ T5126]  ? drop_nlink+0xbf/0x100
[   61.158181][ T5126]  ? handle_bug+0x3d/0x70
[   61.162523][ T5126]  ? exc_invalid_op+0x1a/0x50
[   61.167338][ T5126]  ? asm_exc_invalid_op+0x1a/0x20
[   61.172387][ T5126]  ? drop_nlink+0x43/0x100
[   61.177117][ T5126]  ? drop_nlink+0xbf/0x100
[   61.181546][ T5126]  ? drop_nlink+0xbf/0x100
[   61.185963][ T5126]  hfsplus_unlink+0x3fe/0x790
[   61.190740][ T5126]  ? hfsplus_link+0x800/0x800
[pid  5125] exit_group(0)               = ?
[   61.195460][ T5126]  ? clear_nonspinnable+0x60/0x60
[   61.200667][ T5126]  hfsplus_rename+0xc8/0x1c0
[   61.205629][ T5126]  ? hfsplus_mknod+0x2a0/0x2a0
[   61.210446][ T5126]  vfs_rename+0xaba/0xde0
[   61.214802][ T5126]  ? __ia32_sys_link+0x90/0x90
[   61.219650][ T5126]  ? security_path_rename+0x183/0x210
[   61.225037][ T5126]  do_renameat2+0xd78/0x1660
[   61.229697][ T5126]  ? fsnotify_move+0x4f0/0x4f0
[   61.234494][ T5126]  ? __check_object_size+0x4bb/0xa00
[   61.239953][ T5126]  ? getname_flags+0x1f0/0x4e0
[   61.244735][ T5126]  __x64_sys_rename+0x86/0x90
[   61.249510][ T5126]  do_syscall_64+0x41/0xc0
[   61.253974][ T5126]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   61.260005][ T5126] RIP: 0033:0x7f329b4e0a99
[   61.264440][ T5126] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[   61.284277][ T5126] RSP: 002b:00007f329b49d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[   61.292758][ T5126] RAX: ffffffffffffffda RBX: 000000000000001d RCX: 00007f329b4e0a99
[   61.300790][ T5126] RDX: ffffffffffffffb0 RSI: 00000000200028c0 RDI: 00000000200000c0
[   61.308885][ T5126] RBP: 00007f329b5696a8 R08: 0000000000000000 R09: 0000000000000000
[   61.317005][ T5126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f329b5696a0
[   61.325004][ T5126] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668
[   61.333067][ T5126]  </TASK>
[   61.336109][ T5126] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   61.343407][ T5126] CPU: 0 PID: 5126 Comm: syz-executor249 Not tainted 6.6.0-rc3-syzkaller-00146-g9f3ebbef746f #0
[   61.353826][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[   61.363874][ T5126] Call Trace:
[   61.367148][ T5126]  <TASK>
[   61.370072][ T5126]  dump_stack_lvl+0x1e7/0x2d0
[   61.374751][ T5126]  ? nf_tcp_handle_invalid+0x650/0x650
[   61.380214][ T5126]  ? panic+0x770/0x770
[   61.384323][ T5126]  ? vscnprintf+0x5d/0x80
[   61.388759][ T5126]  panic+0x30f/0x770
[   61.392663][ T5126]  ? __warn+0x171/0x4a0
[   61.396839][ T5126]  ? __memcpy_flushcache+0x2b0/0x2b0
[   61.402179][ T5126]  __warn+0x314/0x4a0
[   61.406277][ T5126]  ? drop_nlink+0xbf/0x100
[   61.410700][ T5126]  report_bug+0x2b3/0x500
[   61.415049][ T5126]  ? drop_nlink+0xbf/0x100
[   61.419578][ T5126]  handle_bug+0x3d/0x70
[   61.423743][ T5126]  exc_invalid_op+0x1a/0x50
[   61.428338][ T5126]  asm_exc_invalid_op+0x1a/0x20
[   61.433272][ T5126] RIP: 0010:drop_nlink+0xbf/0x100
[   61.438303][ T5126] Code: 49 8b 1e 48 8d bb 70 07 00 00 be 08 00 00 00 e8 17 e4 e8 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 31 70 8e ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   61.457943][ T5126] RSP: 0018:ffffc900042ff950 EFLAGS: 00010293
[   61.464021][ T5126] RAX: ffffffff81ff9a3f RBX: 1ffff1100f768627 RCX: ffff88807b6a1dc0
[   61.472000][ T5126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   61.480162][ T5126] RBP: 0000000000000000 R08: ffffffff81ff99c3 R09: 1ffff9200085fe8c
[   61.488213][ T5126] R10: dffffc0000000000 R11: fffff5200085fe8d R12: ffff88807bb43138
[   61.496183][ T5126] R13: ffff888078b11370 R14: ffff88807bb430f0 R15: dffffc0000000000
[   61.504255][ T5126]  ? drop_nlink+0x43/0x100
[   61.508676][ T5126]  ? drop_nlink+0xbf/0x100
[   61.513099][ T5126]  hfsplus_unlink+0x3fe/0x790
[   61.517872][ T5126]  ? hfsplus_link+0x800/0x800
[   61.522554][ T5126]  ? clear_nonspinnable+0x60/0x60
[   61.527595][ T5126]  hfsplus_rename+0xc8/0x1c0
[   61.532269][ T5126]  ? hfsplus_mknod+0x2a0/0x2a0
[   61.537030][ T5126]  vfs_rename+0xaba/0xde0
[   61.541368][ T5126]  ? __ia32_sys_link+0x90/0x90
[   61.546133][ T5126]  ? security_path_rename+0x183/0x210
[   61.551505][ T5126]  do_renameat2+0xd78/0x1660
[   61.556114][ T5126]  ? fsnotify_move+0x4f0/0x4f0
[   61.560884][ T5126]  ? __check_object_size+0x4bb/0xa00
[   61.566171][ T5126]  ? getname_flags+0x1f0/0x4e0
[   61.571019][ T5126]  __x64_sys_rename+0x86/0x90
[   61.576125][ T5126]  do_syscall_64+0x41/0xc0
[   61.580540][ T5126]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   61.586441][ T5126] RIP: 0033:0x7f329b4e0a99
[   61.590852][ T5126] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[   61.610542][ T5126] RSP: 002b:00007f329b49d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[   61.618949][ T5126] RAX: ffffffffffffffda RBX: 000000000000001d RCX: 00007f329b4e0a99
[   61.626912][ T5126] RDX: ffffffffffffffb0 RSI: 00000000200028c0 RDI: 00000000200000c0
[   61.634875][ T5126] RBP: 00007f329b5696a8 R08: 0000000000000000 R09: 0000000000000000
[   61.642852][ T5126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f329b5696a0
[   61.650815][ T5126] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668
[   61.658879][ T5126]  </TASK>
[   61.662127][ T5126] Kernel Offset: disabled
[   61.666523][ T5126] Rebooting in 86400 seconds..