./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3856985718

<...>
Warning: Permanently added '10.128.10.25' (ED25519) to the list of known hosts.
execve("./syz-executor3856985718", ["./syz-executor3856985718"], 0x7fff22b58000 /* 10 vars */) = 0
brk(NULL)                               = 0x55556fcaf000
brk(0x55556fcafd40)                     = 0x55556fcafd40
arch_prctl(ARCH_SET_FS, 0x55556fcaf3c0) = 0
set_tid_address(0x55556fcaf690)         = 5836
set_robust_list(0x55556fcaf6a0, 24)     = 0
rseq(0x55556fcafce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3856985718", 4096) = 28
getrandom("\xd8\xa0\xa2\x01\x78\x86\x40\xa7", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556fcafd40
brk(0x55556fcd0d40)                     = 0x55556fcd0d40
brk(0x55556fcd1000)                     = 0x55556fcd1000
mprotect(0x7f53f82eb000, 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.q6pGyu", 0700)       = 0
chmod("./syzkaller.q6pGyu", 0777)       = 0
chdir("./syzkaller.q6pGyu")             = 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./strace-static-x86_64: Process 5838 attached
, child_tidptr=0x55556fcaf690) = 5838
[pid  5838] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5838] chdir("./0")                = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5838] setpgid(0, 0)               = 0
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5838] write(3, "1000", 4)         = 4
[pid  5838] close(3)                    = 0
[pid  5838] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5838] write(1, "executing program\n", 18executing program
) = 18
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5838] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5839] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5838] <... clone3 resumed> => {parent_tid=[5839]}, 88) = 5839
[pid  5839] <... rseq resumed>)         = 0
[pid  5839] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5839] munmap(0x7f53efc00000, 138412032) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5839] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5839] close(3)                    = 0
[pid  5839] close(4)                    = 0
[pid  5839] mkdir("./file1", 0777)      = 0
[  134.728068][ T5839] loop0: detected capacity change from 0 to 32768
[  134.798603][ T5839] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  134.815166][ T5839] bcachefs (loop0): initializing new filesystem
[  134.823481][ T5839] bcachefs (loop0): going read-write
[  134.830653][ T5839] bcachefs (loop0): marking superblocks
[pid  5839] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5839] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5839] chdir("./file1")            = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5839] ioctl(4, LOOP_CLR_FD)       = 0
[  134.847813][ T5839] bcachefs (loop0): initializing freespace
[  134.854642][ T5839] bcachefs (loop0): done initializing freespace
[  134.864575][ T5839] bcachefs (loop0): reading snapshots table
[  134.870621][ T5839] bcachefs (loop0): reading snapshots done
[  134.886651][ T5839] bcachefs (loop0): done starting filesystem
[pid  5839] close(4)                    = 0
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5839] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... futex resumed>)        = 0
[pid  5838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5838] <... futex resumed>)        = 0
[pid  5839] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... openat resumed>)       = 4
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = 0
[pid  5838] <... futex resumed>)        = 1
[pid  5839] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5839] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... open resumed>)         = 5
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... futex resumed>)        = 1
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5839] memfd_create("syzkaller", 0) = 6
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5839] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5839] munmap(0x7f53efc00000, 138412032) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5839] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5839] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5839] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5839] close(7)                    = 0
[pid  5839] close(6)                    = 0
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... futex resumed>)        = 1
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] ftruncate(5, 33587195 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... ftruncate resumed>)    = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5838] <... futex resumed>)        = 0
[pid  5839] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5838] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5838] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5851 attached
 <unfinished ...>
[pid  5851] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5838] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851
[pid  5838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5838] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5851] ftruncate(5, 6 <unfinished ...>
[pid  5839] <... sendfile resumed>)     = 1703936
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5851] <... ftruncate resumed>)    = 0
[pid  5851] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5851] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5839] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  5839] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... futex resumed>)        = 0
[pid  5838] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5838] exit_group(0 <unfinished ...>
[pid  5851] <... futex resumed>)        = ?
[pid  5839] <... futex resumed>)        = ?
[pid  5838] <... exit_group resumed>)   = ?
[pid  5851] +++ exited with 0 +++
[pid  5839] +++ exited with 0 +++
[pid  5838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[  135.212651][ T5851] syz-executor385 (5851) used greatest stack depth: 13680 bytes left
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|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
[  135.316075][ T5836] bcachefs (loop0): shutting down
[  135.321351][ T5836] bcachefs (loop0): going read-only
[  135.326710][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  135.335747][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 29
[  135.360140][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 32
[  135.370978][ T5836] bcachefs (loop0): shutdown complete, journal seq 33
[  135.378889][ T5836] bcachefs (loop0): marking filesystem clean
[  135.396876][ T5836] bcachefs (loop0): shutdown complete
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./0/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 5852 attached
 <unfinished ...>
[pid  5852] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5852
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5852] chdir("./1")                = 0
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5852] setpgid(0, 0)               = 0
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5852] write(3, "1000", 4)         = 4
[pid  5852] close(3)                    = 0
[pid  5852] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5852] write(1, "executing program\n", 18) = 18
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5852] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5853] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5852] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853
[pid  5853] <... rseq resumed>)         = 0
[pid  5853] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5853] <... memfd_create resumed>) = 3
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5853] munmap(0x7f53efc00000, 138412032) = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5853] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5853] close(3)                    = 0
[pid  5853] close(4)                    = 0
[pid  5853] mkdir("./file1", 0777)      = 0
[  136.844158][ T5853] loop0: detected capacity change from 0 to 32768
[  136.925868][ T5853] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  136.942351][ T5853] bcachefs (loop0): initializing new filesystem
[  136.949602][ T5853] bcachefs (loop0): going read-write
[  136.956526][ T5853] bcachefs (loop0): marking superblocks
[  136.969984][ T5853] bcachefs (loop0): initializing freespace
[pid  5853] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5853] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5853] chdir("./file1")            = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5853] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5853] close(4)                    = 0
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5853] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[  136.976688][ T5853] bcachefs (loop0): done initializing freespace
[  136.984168][ T5853] bcachefs (loop0): reading snapshots table
[  136.990415][ T5853] bcachefs (loop0): reading snapshots done
[  137.003127][ T5853] bcachefs (loop0): done starting filesystem
[pid  5852] <... futex resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... openat resumed>)       = 4
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5853] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] creat(NULL, 000 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5852] <... futex resumed>)        = 0
[pid  5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... open resumed>)         = 5
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5853] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5853] memfd_create("syzkaller", 0) = 6
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5853] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5853] munmap(0x7f53efc00000, 138412032) = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5853] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5853] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5853] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5853] close(7)                    = 0
[pid  5853] close(6)                    = 0
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] ftruncate(5, 33587195 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... ftruncate resumed>)    = 0
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5853] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5852] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5852] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5864 attached
 <unfinished ...>
[pid  5864] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5852] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864
[pid  5864] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5864] <... set_robust_list resumed>) = 0
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5852] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] ftruncate(5, 6 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] <... ftruncate resumed>)    = 0
[pid  5853] <... sendfile resumed>)     = 1572864
[pid  5864] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] <... futex resumed>)        = 1
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5864] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5852] <... futex resumed>)        = 0
[pid  5853] write(-1, NULL, 0 <unfinished ...>
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5853] <... futex resumed>)        = 1
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5853] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5853] <... futex resumed>)        = 0
[pid  5853] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5852] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5852] <... futex resumed>)        = 0
[pid  5853] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5853] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] exit_group(0 <unfinished ...>
[pid  5853] <... futex resumed>)        = ?
[pid  5864] <... futex resumed>)        = ?
[pid  5852] <... exit_group resumed>)   = ?
[pid  5853] +++ exited with 0 +++
[pid  5864] +++ exited with 0 +++
[pid  5852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./1", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./1/binderfs", MNT_FORCE|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
[  137.400326][ T5836] bcachefs (loop0): shutting down
[  137.405500][ T5836] bcachefs (loop0): going read-only
[  137.410686][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  137.418978][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 26
[  137.438813][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 28
[  137.449683][ T5836] bcachefs (loop0): shutdown complete, journal seq 29
[  137.457380][ T5836] bcachefs (loop0): marking filesystem clean
[  137.471836][ T5836] bcachefs (loop0): shutdown complete
umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./1/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 5866 attached
, child_tidptr=0x55556fcaf690) = 5866
[pid  5866] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5866] chdir("./2")                = 0
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5866] setpgid(0, 0)               = 0
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5866] write(3, "1000", 4)         = 4
[pid  5866] close(3)                    = 0
[pid  5866] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5866] write(1, "executing program\n", 18) = 18
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5866] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5867 attached
 <unfinished ...>
[pid  5867] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5866] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867
[pid  5867] <... rseq resumed>)         = 0
[pid  5867] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5866] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5867] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5866] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5867] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5867] memfd_create("syzkaller", 0) = 3
[pid  5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5867] munmap(0x7f53efc00000, 138412032) = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5867] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5867] close(3)                    = 0
[pid  5867] close(4)                    = 0
[pid  5867] mkdir("./file1", 0777)      = 0
[  138.881359][ T5867] loop0: detected capacity change from 0 to 32768
[  138.945548][ T5867] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  138.962047][ T5867] bcachefs (loop0): initializing new filesystem
[  138.969286][ T5867] bcachefs (loop0): going read-write
[  138.975808][ T5867] bcachefs (loop0): marking superblocks
[  138.988897][ T5867] bcachefs (loop0): initializing freespace
[pid  5867] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5867] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5867] chdir("./file1")            = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5867] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5867] close(4)                    = 0
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5866] <... futex resumed>)        = 0
[  138.996066][ T5867] bcachefs (loop0): done initializing freespace
[  139.005057][ T5867] bcachefs (loop0): reading snapshots table
[  139.011046][ T5867] bcachefs (loop0): reading snapshots done
[  139.023406][ T5867] bcachefs (loop0): done starting filesystem
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5867] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] <... openat resumed>)       = 4
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5867] <... futex resumed>)        = 1
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5866] <... futex resumed>)        = 0
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] <... futex resumed>)        = 0
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5867] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5866] <... futex resumed>)        = 0
[pid  5867] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5867] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] <... open resumed>)         = 5
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5866] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5867] memfd_create("syzkaller", 0) = 6
[pid  5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5867] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5867] munmap(0x7f53efc00000, 138412032) = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5867] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5867] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5867] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5867] close(7)                    = 0
[pid  5867] close(6)                    = 0
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5866] <... futex resumed>)        = 0
[pid  5867] ftruncate(5, 33587195 <unfinished ...>
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] <... ftruncate resumed>)    = 0
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5866] <... futex resumed>)        = 0
[pid  5867] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5866] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5866] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5878 attached
 => {parent_tid=[5878]}, 88) = 5878
[pid  5878] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5866] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5878] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5866] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5866] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5878] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5878] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5866] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5878] ftruncate(5, 6 <unfinished ...>
[pid  5867] <... sendfile resumed>)     = 1900544
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5867] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5878] <... ftruncate resumed>)    = 0
[pid  5878] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5866] <... futex resumed>)        = 0
[pid  5878] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] <... futex resumed>)        = 0
[pid  5867] write(-1, NULL, 0 <unfinished ...>
[pid  5866] <... futex resumed>)        = 1
[pid  5867] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5867] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  5866] <... futex resumed>)        = 0
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] <... futex resumed>)        = 0
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5867] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5866] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5867] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5867] <... futex resumed>)        = 0
[pid  5866] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5867] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5866] exit_group(0 <unfinished ...>
[pid  5878] <... futex resumed>)        = ?
[pid  5867] <... futex resumed>)        = ?
[pid  5866] <... exit_group resumed>)   = ?
[pid  5878] +++ exited with 0 +++
[pid  5867] +++ exited with 0 +++
[pid  5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./2", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./2/binderfs", MNT_FORCE|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
[  139.475164][ T5836] bcachefs (loop0): shutting down
[  139.480227][ T5836] bcachefs (loop0): going read-only
[  139.485740][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  139.493104][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 32
[  139.513082][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 34
[  139.523582][ T5836] bcachefs (loop0): shutdown complete, journal seq 35
[  139.531156][ T5836] bcachefs (loop0): marking filesystem clean
[  139.546478][ T5836] bcachefs (loop0): shutdown complete
umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./2/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5879 attached
, child_tidptr=0x55556fcaf690) = 5879
[pid  5879] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5879] chdir("./3")                = 0
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5879] setpgid(0, 0)               = 0
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5879] write(3, "1000", 4)         = 4
[pid  5879] close(3)                    = 0
[pid  5879] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5879] write(1, "executing program\n", 18) = 18
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5879] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5879] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5880 attached
 <unfinished ...>
[pid  5880] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  5879] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880
[pid  5880] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5879] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5880] <... set_robust_list resumed>) = 0
[pid  5879] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5880] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5880] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... memfd_create resumed>) = 3
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5880] munmap(0x7f53efc00000, 138412032) = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5880] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5880] close(3)                    = 0
[pid  5880] close(4)                    = 0
[pid  5880] mkdir("./file1", 0777)      = 0
[  140.929509][ T5880] loop0: detected capacity change from 0 to 32768
[  141.002931][ T5880] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  141.019665][ T5880] bcachefs (loop0): initializing new filesystem
[  141.027044][ T5880] bcachefs (loop0): going read-write
[  141.033410][ T5880] bcachefs (loop0): marking superblocks
[  141.046154][ T5880] bcachefs (loop0): initializing freespace
[pid  5880] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5880] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5880] chdir("./file1")            = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5880] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5880] close(4)                    = 0
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5879] <... futex resumed>)        = 0
[pid  5880] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... futex resumed>)        = 0
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5879] <... futex resumed>)        = 0
[pid  5880] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... openat resumed>)       = 4
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5879] <... futex resumed>)        = 0
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5880] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5880] <... futex resumed>)        = 0
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  5879] <... futex resumed>)        = 0
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5880] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... open resumed>)         = 5
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5879] <... futex resumed>)        = 0
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5879] <... futex resumed>)        = 0
[  141.052956][ T5880] bcachefs (loop0): done initializing freespace
[  141.061283][ T5880] bcachefs (loop0): reading snapshots table
[  141.067408][ T5880] bcachefs (loop0): reading snapshots done
[  141.079945][ T5880] bcachefs (loop0): done starting filesystem
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5880] memfd_create("syzkaller", 0) = 6
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5880] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5880] munmap(0x7f53efc00000, 138412032) = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5880] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5880] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5880] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5880] close(7)                    = 0
[pid  5880] close(6)                    = 0
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5880] <... futex resumed>)        = 1
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] ftruncate(5, 33587195 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5880] <... ftruncate resumed>)    = 0
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5880] <... futex resumed>)        = 1
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5879] <... futex resumed>)        = 0
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5879] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5879] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5891 attached
 => {parent_tid=[5891]}, 88) = 5891
[pid  5891] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5879] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5891] <... rseq resumed>)         = 0
[pid  5879] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5891] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5879] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5891] <... set_robust_list resumed>) = 0
[pid  5879] <... futex resumed>)        = 0
[pid  5891] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5879] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5891] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5891] ftruncate(5, 6 <unfinished ...>
[pid  5880] <... sendfile resumed>)     = 1835008
[pid  5891] <... ftruncate resumed>)    = 0
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5891] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5891] <... futex resumed>)        = 1
[pid  5879] <... futex resumed>)        = 0
[pid  5891] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5879] <... futex resumed>)        = 1
[pid  5880] write(-1, NULL, 0 <unfinished ...>
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5879] <... futex resumed>)        = 0
[pid  5880] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5879] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5880] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5879] <... futex resumed>)        = 1
[pid  5880] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5879] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5880] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5880] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5879] exit_group(0 <unfinished ...>
[pid  5891] <... futex resumed>)        = ?
[pid  5880] <... futex resumed>)        = ?
[pid  5891] +++ exited with 0 +++
[pid  5880] +++ exited with 0 +++
[pid  5879] <... exit_group resumed>)   = ?
[pid  5879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=28 /* 0.28 s */} ---
umount2("./3", MNT_FORCE|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
[  141.372334][ T5880] syz-executor385 (5880) used greatest stack depth: 12696 bytes left
getdents64(3, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./3/binderfs", MNT_FORCE|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
[  141.468963][ T5836] bcachefs (loop0): shutting down
[  141.474023][ T5836] bcachefs (loop0): going read-only
[  141.479299][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  141.486629][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  141.505448][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 34
[  141.516109][ T5836] bcachefs (loop0): shutdown complete, journal seq 35
[  141.523494][ T5836] bcachefs (loop0): marking filesystem clean
[  141.538831][ T5836] bcachefs (loop0): shutdown complete
umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./3/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5892 attached
, child_tidptr=0x55556fcaf690) = 5892
[pid  5892] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5892] chdir("./4")                = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5892] setpgid(0, 0)               = 0
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3)                    = 0
[pid  5892] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5892] write(1, "executing program\n", 18executing program
) = 18
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5892] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5893 attached
 <unfinished ...>
[pid  5893] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5892] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893
[pid  5893] <... rseq resumed>)         = 0
[pid  5893] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = 0
[pid  5892] <... futex resumed>)        = 1
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... memfd_create resumed>) = 3
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5893] munmap(0x7f53efc00000, 138412032) = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5893] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5893] close(3)                    = 0
[pid  5893] close(4)                    = 0
[pid  5893] mkdir("./file1", 0777)      = 0
[  142.965776][ T5893] loop0: detected capacity change from 0 to 32768
[  143.045518][ T5893] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  143.061995][ T5893] bcachefs (loop0): initializing new filesystem
[  143.069226][ T5893] bcachefs (loop0): going read-write
[  143.075840][ T5893] bcachefs (loop0): marking superblocks
[  143.089157][ T5893] bcachefs (loop0): initializing freespace
[pid  5893] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5893] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5893] chdir("./file1")            = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  143.096238][ T5893] bcachefs (loop0): done initializing freespace
[  143.103999][ T5893] bcachefs (loop0): reading snapshots table
[  143.110079][ T5893] bcachefs (loop0): reading snapshots done
[  143.122387][ T5893] bcachefs (loop0): done starting filesystem
[pid  5893] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5893] close(4)                    = 0
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5893] <... futex resumed>)        = 0
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... openat resumed>)       = 4
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5892] <... futex resumed>)        = 0
[pid  5893] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5892] <... futex resumed>)        = 0
[pid  5893] creat(NULL, 000 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5893] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... open resumed>)         = 5
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5892] <... futex resumed>)        = 0
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... memfd_create resumed>) = 6
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5893] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5893] munmap(0x7f53efc00000, 138412032) = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5893] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5893] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5893] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5893] close(7)                    = 0
[pid  5893] close(6)                    = 0
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = 0
[pid  5892] <... futex resumed>)        = 1
[pid  5893] ftruncate(5, 33587195)      = 0
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5892] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5892] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0} => {parent_tid=[5904]}, 88) = 5904
./strace-static-x86_64: Process 5904 attached
[pid  5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5892] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5904] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5904] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  5904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5904] ftruncate(5, 6 <unfinished ...>
[pid  5893] <... sendfile resumed>)     = 3080192
[pid  5904] <... ftruncate resumed>)    = 0
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5904] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5904] <... futex resumed>)        = 1
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5904] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5893] <... futex resumed>)        = 0
[pid  5892] <... futex resumed>)        = 1
[pid  5893] write(-1, NULL, 0 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5892] <... futex resumed>)        = 0
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5892] <... futex resumed>)        = 0
[pid  5893] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5893] <... futex resumed>)        = 1
[pid  5892] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5893] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5892] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5893] <... futex resumed>)        = 0
[pid  5892] exit_group(0 <unfinished ...>
[pid  5893] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5904] <... futex resumed>)        = ?
[pid  5893] <... futex resumed>)        = ?
[pid  5892] <... exit_group resumed>)   = ?
[pid  5904] +++ exited with 0 +++
[pid  5893] +++ exited with 0 +++
[pid  5892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./4", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./4/binderfs", MNT_FORCE|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
[  143.617361][ T5836] bcachefs (loop0): shutting down
[  143.622451][ T5836] bcachefs (loop0): going read-only
[  143.628324][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  143.636157][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 50
[  143.656694][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 52
[  143.667245][ T5836] bcachefs (loop0): shutdown complete, journal seq 53
[  143.674624][ T5836] bcachefs (loop0): marking filesystem clean
[  143.690946][ T5836] bcachefs (loop0): shutdown complete
umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./4/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 5905 attached
, child_tidptr=0x55556fcaf690) = 5905
[pid  5905] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5905] chdir("./5")                = 0
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5905] setpgid(0, 0)               = 0
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5905] write(3, "1000", 4)         = 4
[pid  5905] close(3)                    = 0
[pid  5905] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5905] write(1, "executing program\n", 18) = 18
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5905] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5906 attached
 <unfinished ...>
[pid  5906] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  5905] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906
[pid  5906] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5905] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5906] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5905] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5906] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5906] <... memfd_create resumed>) = 3
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5906] munmap(0x7f53efc00000, 138412032) = 0
[pid  5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5906] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5906] close(3)                    = 0
[pid  5906] close(4)                    = 0
[pid  5906] mkdir("./file1", 0777)      = 0
[  145.070973][ T5906] loop0: detected capacity change from 0 to 32768
[  145.134591][ T5906] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  145.151471][ T5906] bcachefs (loop0): initializing new filesystem
[  145.159140][ T5906] bcachefs (loop0): going read-write
[  145.166174][ T5906] bcachefs (loop0): marking superblocks
[  145.178669][ T5906] bcachefs (loop0): initializing freespace
[pid  5906] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5906] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5906] chdir("./file1")            = 0
[pid  5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5906] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5906] close(4)                    = 0
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[  145.185688][ T5906] bcachefs (loop0): done initializing freespace
[  145.194064][ T5906] bcachefs (loop0): reading snapshots table
[  145.200102][ T5906] bcachefs (loop0): reading snapshots done
[  145.212038][ T5906] bcachefs (loop0): done starting filesystem
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... futex resumed>)        = 0
[pid  5906] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5905] <... futex resumed>)        = 1
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... openat resumed>)       = 4
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5905] <... futex resumed>)        = 0
[pid  5906] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] creat(NULL, 000 <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... futex resumed>)        = 0
[pid  5905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5906] <... open resumed>)         = 5
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5906] <... futex resumed>)        = 1
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5906] memfd_create("syzkaller", 0) = 6
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5906] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5906] munmap(0x7f53efc00000, 138412032) = 0
[pid  5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5906] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5906] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5906] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5906] close(7)                    = 0
[pid  5906] close(6)                    = 0
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] ftruncate(5, 33587195 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5906] <... ftruncate resumed>)    = 0
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] <... futex resumed>)        = 0
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5905] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5905] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5917 attached
 <unfinished ...>
[pid  5917] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5905] <... clone3 resumed> => {parent_tid=[5917]}, 88) = 5917
[pid  5917] <... rseq resumed>)         = 0
[pid  5905] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5917] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5905] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5917] <... set_robust_list resumed>) = 0
[pid  5905] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5917] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5917] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5905] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5917] ftruncate(5, 6 <unfinished ...>
[pid  5906] <... sendfile resumed>)     = 1835008
[pid  5917] <... ftruncate resumed>)    = 0
[pid  5917] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] <... futex resumed>)        = 0
[pid  5917] <... futex resumed>)        = 1
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5917] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] write(-1, NULL, 0 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5905] <... futex resumed>)        = 0
[pid  5906] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5905] <... futex resumed>)        = 0
[pid  5906] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5905] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5905] <... futex resumed>)        = 0
[pid  5906] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5905] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... futex resumed>)        = 0
[pid  5905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5906] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] exit_group(0 <unfinished ...>
[pid  5917] <... futex resumed>)        = ?
[pid  5906] <... futex resumed>)        = ?
[pid  5905] <... exit_group resumed>)   = ?
[pid  5917] +++ exited with 0 +++
[pid  5906] +++ exited with 0 +++
[pid  5905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./5", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./5/binderfs", MNT_FORCE|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
[  145.584302][ T5836] bcachefs (loop0): shutting down
[  145.589634][ T5836] bcachefs (loop0): going read-only
[  145.594882][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  145.603028][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  145.622751][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 35
[  145.633592][ T5836] bcachefs (loop0): shutdown complete, journal seq 36
[  145.641199][ T5836] bcachefs (loop0): marking filesystem clean
[  145.655929][ T5836] bcachefs (loop0): shutdown complete
umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./5/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5918 attached
 <unfinished ...>
[pid  5918] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5918
[pid  5918] chdir("./6")                = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5918] setpgid(0, 0)               = 0
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5918] write(3, "1000", 4)         = 4
[pid  5918] close(3)                    = 0
[pid  5918] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5918] write(1, "executing program\n", 18) = 18
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5918] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5918] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5919 attached
 <unfinished ...>
[pid  5919] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  5918] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919
[pid  5919] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5918] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5919] <... set_robust_list resumed>) = 0
[pid  5918] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5919] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5919] memfd_create("syzkaller", 0) = 3
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5919] munmap(0x7f53efc00000, 138412032) = 0
[pid  5919] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5919] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5919] close(3)                    = 0
[pid  5919] close(4)                    = 0
[pid  5919] mkdir("./file1", 0777)      = 0
[  147.008276][ T5919] loop0: detected capacity change from 0 to 32768
[  147.082862][ T5919] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  147.099403][ T5919] bcachefs (loop0): initializing new filesystem
[  147.107141][ T5919] bcachefs (loop0): going read-write
[  147.113105][ T5919] bcachefs (loop0): marking superblocks
[  147.125893][ T5919] bcachefs (loop0): initializing freespace
[pid  5919] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5919] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5919] chdir("./file1")            = 0
[pid  5919] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5919] ioctl(4, LOOP_CLR_FD)       = 0
[  147.133125][ T5919] bcachefs (loop0): done initializing freespace
[  147.140537][ T5919] bcachefs (loop0): reading snapshots table
[  147.147338][ T5919] bcachefs (loop0): reading snapshots done
[  147.159931][ T5919] bcachefs (loop0): done starting filesystem
[pid  5919] close(4)                    = 0
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5918] <... futex resumed>)        = 1
[pid  5919] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5918] <... futex resumed>)        = 0
[pid  5919] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502) = 4
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5918] <... futex resumed>)        = 1
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] <... open resumed>)         = 5
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] <... futex resumed>)        = 0
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5919] memfd_create("syzkaller", 0) = 6
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5919] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5919] munmap(0x7f53efc00000, 138412032) = 0
[pid  5919] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5919] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5919] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5919] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5919] close(7)                    = 0
[pid  5919] close(6)                    = 0
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] ftruncate(5, 33587195 <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5919] <... ftruncate resumed>)    = 0
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] <... futex resumed>)        = 0
[pid  5919] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5918] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5918] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5930 attached
 <unfinished ...>
[pid  5930] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5918] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930
[pid  5930] <... rseq resumed>)         = 0
[pid  5918] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5930] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5918] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5930] <... set_robust_list resumed>) = 0
[pid  5918] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5930] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5930] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5918] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5930] ftruncate(5, 6)             = 0
[pid  5919] <... sendfile resumed>)     = 1769472
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5930] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5918] <... futex resumed>)        = 0
[pid  5930] <... futex resumed>)        = 1
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5930] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] <... futex resumed>)        = 0
[pid  5919] write(-1, NULL, 0 <unfinished ...>
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5918] <... futex resumed>)        = 0
[pid  5919] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... futex resumed>)        = 0
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5919] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5918] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5918] <... futex resumed>)        = 0
[pid  5919] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5918] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5919] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5919] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5918] <... futex resumed>)        = 0
[pid  5919] <... futex resumed>)        = 1
[pid  5918] exit_group(0 <unfinished ...>
[pid  5919] ???( <unfinished ...>
[pid  5918] <... exit_group resumed>)   = ?
[pid  5930] <... futex resumed>)        = ?
[pid  5919] <... ??? resumed>)          = ?
[pid  5919] +++ exited with 0 +++
[pid  5930] +++ exited with 0 +++
[pid  5918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./6", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./6/binderfs", MNT_FORCE|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
[  147.623202][ T5836] bcachefs (loop0): shutting down
[  147.628413][ T5836] bcachefs (loop0): going read-only
[  147.633602][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  147.641382][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 30
[  147.660854][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 33
[  147.671288][ T5836] bcachefs (loop0): shutdown complete, journal seq 34
[  147.678969][ T5836] bcachefs (loop0): marking filesystem clean
[  147.694664][ T5836] bcachefs (loop0): shutdown complete
umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./6/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5931 attached
, child_tidptr=0x55556fcaf690) = 5931
[pid  5931] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5931] chdir("./7")                = 0
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5931] setpgid(0, 0)               = 0
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5931] write(3, "1000", 4)         = 4
[pid  5931] close(3)                    = 0
[pid  5931] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5931] write(1, "executing program\n", 18executing program
) = 18
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5931] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5932 attached
 <unfinished ...>
[pid  5932] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  5932] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5931] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932
[pid  5932] <... set_robust_list resumed>) = 0
[pid  5931] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5932] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5931] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5932] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5932] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... memfd_create resumed>) = 3
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5932] munmap(0x7f53efc00000, 138412032) = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5932] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5932] close(3)                    = 0
[pid  5932] close(4)                    = 0
[pid  5932] mkdir("./file1", 0777)      = 0
[  149.137865][ T5932] loop0: detected capacity change from 0 to 32768
[  149.210813][ T5932] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  149.227615][ T5932] bcachefs (loop0): initializing new filesystem
[  149.234717][ T5932] bcachefs (loop0): going read-write
[  149.240946][ T5932] bcachefs (loop0): marking superblocks
[  149.254816][ T5932] bcachefs (loop0): initializing freespace
[pid  5932] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5932] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5932] chdir("./file1")            = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5932] ioctl(4, LOOP_CLR_FD)       = 0
[  149.261731][ T5932] bcachefs (loop0): done initializing freespace
[  149.269727][ T5932] bcachefs (loop0): reading snapshots table
[  149.275765][ T5932] bcachefs (loop0): reading snapshots done
[  149.288004][ T5932] bcachefs (loop0): done starting filesystem
[pid  5932] close(4)                    = 0
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5932] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... futex resumed>)        = 0
[pid  5931] <... futex resumed>)        = 1
[pid  5932] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... openat resumed>)       = 4
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] creat(NULL, 000 <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5932] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... futex resumed>)        = 0
[pid  5931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5932] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... open resumed>)         = 5
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... futex resumed>)        = 0
[pid  5931] <... futex resumed>)        = 1
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5932] memfd_create("syzkaller", 0) = 6
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5932] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5932] munmap(0x7f53efc00000, 138412032) = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5932] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5932] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5932] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5932] close(7)                    = 0
[pid  5932] close(6)                    = 0
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5932] <... futex resumed>)        = 1
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] ftruncate(5, 33587195 <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... ftruncate resumed>)    = 0
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5931] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5931] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5944 attached
 => {parent_tid=[5944]}, 88) = 5944
[pid  5944] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5931] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5944] <... rseq resumed>)         = 0
[pid  5931] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5944] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5931] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5944] <... set_robust_list resumed>) = 0
[pid  5931] <... futex resumed>)        = 0
[pid  5944] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5931] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5944] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5944] ftruncate(5, 6 <unfinished ...>
[pid  5932] <... sendfile resumed>)     = 1835008
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5944] <... ftruncate resumed>)    = 0
[pid  5944] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5931] <... futex resumed>)        = 0
[pid  5944] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... futex resumed>)        = 0
[pid  5931] <... futex resumed>)        = 1
[pid  5932] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5932] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5931] <... futex resumed>)        = 0
[pid  5932] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5932] <... futex resumed>)        = 0
[pid  5931] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  5931] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5932] <... futex resumed>)        = 0
[pid  5932] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5931] exit_group(0 <unfinished ...>
[pid  5932] <... futex resumed>)        = ?
[pid  5944] <... futex resumed>)        = ?
[pid  5944] +++ exited with 0 +++
[pid  5932] +++ exited with 0 +++
[pid  5931] <... exit_group resumed>)   = ?
[pid  5931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./7", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./7/binderfs", MNT_FORCE|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
[  149.748997][ T5836] bcachefs (loop0): shutting down
[  149.754061][ T5836] bcachefs (loop0): going read-only
[  149.759452][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  149.767004][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  149.787962][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 34
[  149.798690][ T5836] bcachefs (loop0): shutdown complete, journal seq 35
[  149.806275][ T5836] bcachefs (loop0): marking filesystem clean
[  149.821344][ T5836] bcachefs (loop0): shutdown complete
umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./7/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5945 attached
 <unfinished ...>
[pid  5945] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5945
[pid  5945] chdir("./8")                = 0
[pid  5945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5945] setpgid(0, 0)               = 0
[pid  5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5945] write(3, "1000", 4)         = 4
[pid  5945] close(3)                    = 0
[pid  5945] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5945] write(1, "executing program\n", 18executing program
) = 18
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5945] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5945] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5946 attached
 => {parent_tid=[5946]}, 88) = 5946
[pid  5946] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5945] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5946] <... rseq resumed>)         = 0
[pid  5945] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5946] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... set_robust_list resumed>) = 0
[pid  5945] <... futex resumed>)        = 0
[pid  5946] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5946] memfd_create("syzkaller", 0) = 3
[pid  5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5946] munmap(0x7f53efc00000, 138412032) = 0
[pid  5946] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5946] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5946] close(3)                    = 0
[pid  5946] close(4)                    = 0
[pid  5946] mkdir("./file1", 0777)      = 0
[  151.155238][ T5946] loop0: detected capacity change from 0 to 32768
[  151.228546][ T5946] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  151.245059][ T5946] bcachefs (loop0): initializing new filesystem
[  151.252249][ T5946] bcachefs (loop0): going read-write
[  151.258610][ T5946] bcachefs (loop0): marking superblocks
[  151.268417][ T5946] bcachefs (loop0): initializing freespace
[pid  5946] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5946] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5946] chdir("./file1")            = 0
[pid  5946] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5946] ioctl(4, LOOP_CLR_FD)       = 0
[  151.274879][ T5946] bcachefs (loop0): done initializing freespace
[  151.284291][ T5946] bcachefs (loop0): reading snapshots table
[  151.290607][ T5946] bcachefs (loop0): reading snapshots done
[  151.303093][ T5946] bcachefs (loop0): done starting filesystem
[pid  5946] close(4)                    = 0
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = 0
[pid  5945] <... futex resumed>)        = 1
[pid  5946] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = 0
[pid  5945] <... futex resumed>)        = 0
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502) = 4
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5946] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5945] <... futex resumed>)        = 0
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] <... futex resumed>)        = 0
[pid  5946] creat(NULL, 000 <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5946] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5945] <... futex resumed>)        = 0
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... open resumed>)         = 5
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5945] <... futex resumed>)        = 0
[pid  5946] <... futex resumed>)        = 1
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5946] memfd_create("syzkaller", 0) = 6
[pid  5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5946] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5946] munmap(0x7f53efc00000, 138412032) = 0
[pid  5946] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5946] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5946] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5946] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5946] close(7)                    = 0
[pid  5946] close(6)                    = 0
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] <... futex resumed>)        = 0
[pid  5946] ftruncate(5, 33587195 <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... ftruncate resumed>)    = 0
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] <... futex resumed>)        = 0
[pid  5946] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5945] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5945] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5957 attached
 <unfinished ...>
[pid  5957] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5957] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5945] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957
[pid  5957] <... set_robust_list resumed>) = 0
[pid  5957] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5945] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5957] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5945] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5957] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] <... futex resumed>)        = 0
[pid  5957] ftruncate(5, 6 <unfinished ...>
[pid  5945] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... sendfile resumed>)     = 2228224
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5957] <... ftruncate resumed>)    = 0
[pid  5957] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5957] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5946] <... futex resumed>)        = 0
[pid  5946] write(-1, NULL, 0 <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = 0
[pid  5945] <... futex resumed>)        = 1
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5945] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] <... futex resumed>)        = 0
[pid  5946] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  5946] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5945] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5946] <... futex resumed>)        = 0
[pid  5946] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5945] exit_group(0 <unfinished ...>
[pid  5957] <... futex resumed>)        = ?
[pid  5946] <... futex resumed>)        = ?
[pid  5945] <... exit_group resumed>)   = ?
[pid  5957] +++ exited with 0 +++
[pid  5946] +++ exited with 0 +++
[pid  5945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./8", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./8/binderfs", MNT_FORCE|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
[  151.785995][ T5836] bcachefs (loop0): shutting down
[  151.791067][ T5836] bcachefs (loop0): going read-only
[  151.796579][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  151.804073][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 37
[  151.823925][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 40
[  151.834367][ T5836] bcachefs (loop0): shutdown complete, journal seq 41
[  151.842058][ T5836] bcachefs (loop0): marking filesystem clean
[  151.858192][ T5836] bcachefs (loop0): shutdown complete
umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./8/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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 5958 attached
 <unfinished ...>
[pid  5958] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5958
[pid  5958] <... set_robust_list resumed>) = 0
[pid  5958] chdir("./9")                = 0
[pid  5958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5958] setpgid(0, 0)               = 0
[pid  5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5958] write(3, "1000", 4)         = 4
[pid  5958] close(3)                    = 0
[pid  5958] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5958] write(1, "executing program\n", 18) = 18
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5958] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5959 attached
 <unfinished ...>
[pid  5959] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5958] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959
[pid  5959] <... rseq resumed>)         = 0
[pid  5959] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5959] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5958] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5959] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5958] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5959] <... memfd_create resumed>) = 3
[pid  5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5959] munmap(0x7f53efc00000, 138412032) = 0
[pid  5959] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5959] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5959] close(3)                    = 0
[pid  5959] close(4)                    = 0
[pid  5959] mkdir("./file1", 0777)      = 0
[  153.240647][ T5959] loop0: detected capacity change from 0 to 32768
[  153.303719][ T5959] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  153.320565][ T5959] bcachefs (loop0): initializing new filesystem
[  153.327795][ T5959] bcachefs (loop0): going read-write
[  153.334703][ T5959] bcachefs (loop0): marking superblocks
[  153.347524][ T5959] bcachefs (loop0): initializing freespace
[pid  5959] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5959] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5959] chdir("./file1")            = 0
[pid  5959] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5959] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5959] close(4)                    = 0
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5959] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] <... futex resumed>)        = 0
[pid  5958] <... futex resumed>)        = 1
[pid  5959] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] <... openat resumed>)       = 4
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... futex resumed>)        = 1
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... futex resumed>)        = 1
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] creat(NULL, 000 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... futex resumed>)        = 1
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] <... open resumed>)         = 5
[  153.354284][ T5959] bcachefs (loop0): done initializing freespace
[  153.362233][ T5959] bcachefs (loop0): reading snapshots table
[  153.368259][ T5959] bcachefs (loop0): reading snapshots done
[  153.381468][ T5959] bcachefs (loop0): done starting filesystem
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5959] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] <... futex resumed>)        = 0
[pid  5958] <... futex resumed>)        = 1
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5959] memfd_create("syzkaller", 0) = 6
[pid  5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5959] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5959] munmap(0x7f53efc00000, 138412032) = 0
[pid  5959] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5959] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5959] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5959] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5959] close(7)                    = 0
[pid  5959] close(6)                    = 0
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5958] <... futex resumed>)        = 0
[pid  5959] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] <... futex resumed>)        = 0
[pid  5958] <... futex resumed>)        = 1
[pid  5959] ftruncate(5, 33587195 <unfinished ...>
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] <... ftruncate resumed>)    = 0
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5959] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] <... futex resumed>)        = 0
[pid  5958] <... futex resumed>)        = 1
[pid  5959] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5958] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5958] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5970 attached
 <unfinished ...>
[pid  5970] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  5958] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970
[pid  5958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5958] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5970] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  5970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5970] ftruncate(5, 6)             = 0
[pid  5970] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] <... sendfile resumed>)     = 2162688
[pid  5970] <... futex resumed>)        = 1
[pid  5958] <... futex resumed>)        = 0
[pid  5970] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] write(-1, NULL, 0 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5959] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5959] <... futex resumed>)        = 0
[pid  5958] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5958] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5959] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5958] <... futex resumed>)        = 0
[pid  5959] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] exit_group(0 <unfinished ...>
[pid  5959] <... futex resumed>)        = ?
[pid  5958] <... exit_group resumed>)   = ?
[pid  5970] <... futex resumed>)        = ?
[pid  5959] +++ exited with 0 +++
[pid  5970] +++ exited with 0 +++
[pid  5958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./9", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./9/binderfs", MNT_FORCE|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
[  153.811157][ T5836] bcachefs (loop0): shutting down
[  153.816403][ T5836] bcachefs (loop0): going read-only
[  153.821619][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  153.829796][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 35
[  153.849801][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 38
[  153.860719][ T5836] bcachefs (loop0): shutdown complete, journal seq 39
[  153.868345][ T5836] bcachefs (loop0): marking filesystem clean
[  153.882966][ T5836] bcachefs (loop0): shutdown complete
umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./9/file1")                      = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 5971 attached
 <unfinished ...>
[pid  5971] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5971
[pid  5971] chdir("./10")               = 0
[pid  5971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5971] setpgid(0, 0)               = 0
[pid  5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5971] write(3, "1000", 4)         = 4
[pid  5971] close(3)                    = 0
[pid  5971] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5971] write(1, "executing program\n", 18) = 18
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5971] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5972 attached
 <unfinished ...>
[pid  5972] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  5971] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972
[pid  5972] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5971] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5972] <... set_robust_list resumed>) = 0
[pid  5971] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5972] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5972] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... memfd_create resumed>) = 3
[pid  5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5972] munmap(0x7f53efc00000, 138412032) = 0
[pid  5972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5972] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5972] close(3)                    = 0
[pid  5972] close(4)                    = 0
[pid  5972] mkdir("./file1", 0777)      = 0
[  155.304278][ T5972] loop0: detected capacity change from 0 to 32768
[  155.369388][ T5972] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  155.385964][ T5972] bcachefs (loop0): initializing new filesystem
[  155.393198][ T5972] bcachefs (loop0): going read-write
[  155.400071][ T5972] bcachefs (loop0): marking superblocks
[  155.413108][ T5972] bcachefs (loop0): initializing freespace
[pid  5972] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5972] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5972] chdir("./file1")            = 0
[pid  5972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5972] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5972] close(4)                    = 0
[  155.420094][ T5972] bcachefs (loop0): done initializing freespace
[  155.427811][ T5972] bcachefs (loop0): reading snapshots table
[  155.433771][ T5972] bcachefs (loop0): reading snapshots done
[  155.446153][ T5972] bcachefs (loop0): done starting filesystem
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5972] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... openat resumed>)       = 4
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5972] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5972] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5971] <... futex resumed>)        = 0
[pid  5972] creat(NULL, 000 <unfinished ...>
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5972] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... open resumed>)         = 5
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5972] memfd_create("syzkaller", 0) = 6
[pid  5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5972] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5972] munmap(0x7f53efc00000, 138412032) = 0
[pid  5972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5972] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5972] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5972] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5972] close(7)                    = 0
[pid  5972] close(6)                    = 0
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] ftruncate(5, 33587195 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... ftruncate resumed>)    = 0
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5972] <... futex resumed>)        = 1
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5971] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5971] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5983 attached
 => {parent_tid=[5983]}, 88) = 5983
[pid  5983] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5983] <... rseq resumed>)         = 0
[pid  5971] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5983] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5983] <... set_robust_list resumed>) = 0
[pid  5971] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5983] ftruncate(5, 6 <unfinished ...>
[pid  5972] <... sendfile resumed>)     = 1900544
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5983] <... ftruncate resumed>)    = 0
[pid  5972] <... futex resumed>)        = 0
[pid  5972] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5983] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5983] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] <... futex resumed>)        = 0
[pid  5971] <... futex resumed>)        = 1
[pid  5972] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5971] <... futex resumed>)        = 0
[pid  5972] <... futex resumed>)        = 1
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5972] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5972] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5971] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5971] <... futex resumed>)        = 0
[pid  5971] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5972] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  5972] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5971] <... futex resumed>)        = 0
[pid  5972] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5971] exit_group(0 <unfinished ...>
[pid  5972] <... futex resumed>)        = ?
[pid  5971] <... exit_group resumed>)   = ?
[pid  5972] +++ exited with 0 +++
[pid  5983] <... futex resumed>)        = ?
[pid  5983] +++ exited with 0 +++
[pid  5971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=31 /* 0.31 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./10", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./10/binderfs", MNT_FORCE|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
[  155.929982][ T5836] bcachefs (loop0): shutting down
[  155.935200][ T5836] bcachefs (loop0): going read-only
[  155.940439][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  155.948905][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 32
[  155.969313][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 35
[  155.979665][ T5836] bcachefs (loop0): shutdown complete, journal seq 36
[  155.987309][ T5836] bcachefs (loop0): marking filesystem clean
[  156.001853][ T5836] bcachefs (loop0): shutdown complete
umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./10/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 5984 attached
 <unfinished ...>
[pid  5984] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5984
[pid  5984] <... set_robust_list resumed>) = 0
[pid  5984] chdir("./11")               = 0
[pid  5984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5984] setpgid(0, 0)               = 0
[pid  5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5984] write(3, "1000", 4)         = 4
[pid  5984] close(3)                    = 0
[pid  5984] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5984] write(1, "executing program\n", 18) = 18
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5984] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5984] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5985 attached
 => {parent_tid=[5985]}, 88) = 5985
[pid  5985] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5984] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5985] <... rseq resumed>)         = 0
[pid  5984] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5985] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... set_robust_list resumed>) = 0
[pid  5985] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5985] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5985] memfd_create("syzkaller", 0) = 3
[pid  5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5985] munmap(0x7f53efc00000, 138412032) = 0
[pid  5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5985] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5985] close(3)                    = 0
[pid  5985] close(4)                    = 0
[pid  5985] mkdir("./file1", 0777)      = 0
[  157.358405][ T5985] loop0: detected capacity change from 0 to 32768
[  157.421395][ T5985] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  157.437876][ T5985] bcachefs (loop0): initializing new filesystem
[  157.445244][ T5985] bcachefs (loop0): going read-write
[  157.451574][ T5985] bcachefs (loop0): marking superblocks
[  157.465701][ T5985] bcachefs (loop0): initializing freespace
[pid  5985] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5985] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5985] chdir("./file1")            = 0
[pid  5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5985] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5985] close(4)                    = 0
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = 0
[pid  5984] <... futex resumed>)        = 1
[pid  5985] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = 0
[  157.472611][ T5985] bcachefs (loop0): done initializing freespace
[  157.480545][ T5985] bcachefs (loop0): reading snapshots table
[  157.486566][ T5985] bcachefs (loop0): reading snapshots done
[  157.499255][ T5985] bcachefs (loop0): done starting filesystem
[pid  5984] <... futex resumed>)        = 1
[pid  5985] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... openat resumed>)       = 4
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5985] creat(NULL, 000 <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5985] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... futex resumed>)        = 0
[pid  5984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5985] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... open resumed>)         = 5
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5985] memfd_create("syzkaller", 0) = 6
[pid  5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5985] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5985] munmap(0x7f53efc00000, 138412032) = 0
[pid  5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5985] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5985] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5985] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5985] close(7)                    = 0
[pid  5985] close(6)                    = 0
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5984] <... futex resumed>)        = 0
[pid  5985] ftruncate(5, 33587195 <unfinished ...>
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... ftruncate resumed>)    = 0
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5984] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5984] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 5996 attached
 <unfinished ...>
[pid  5996] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5984] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996
[pid  5996] <... rseq resumed>)         = 0
[pid  5984] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5996] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5984] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5996] <... set_robust_list resumed>) = 0
[pid  5996] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5984] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5996] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5996] ftruncate(5, 6 <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... sendfile resumed>)     = 1835008
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5996] <... ftruncate resumed>)    = 0
[pid  5996] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5985] <... futex resumed>)        = 0
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] write(-1, NULL, 0 <unfinished ...>
[pid  5996] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5985] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5984] <... futex resumed>)        = 0
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = 0
[pid  5985] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5984] <... futex resumed>)        = 1
[pid  5985] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5984] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5984] <... futex resumed>)        = 0
[pid  5985] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5984] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5985] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5985] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5984] <... futex resumed>)        = 0
[pid  5985] <... futex resumed>)        = 1
[pid  5984] exit_group(0 <unfinished ...>
[pid  5985] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5996] <... futex resumed>)        = ?
[pid  5985] <... futex resumed>)        = ?
[pid  5984] <... exit_group resumed>)   = ?
[pid  5996] +++ exited with 0 +++
[pid  5985] +++ exited with 0 +++
[pid  5984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./11", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./11/binderfs", MNT_FORCE|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
[  157.923115][ T5836] bcachefs (loop0): shutting down
[  157.928315][ T5836] bcachefs (loop0): going read-only
[  157.933509][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  157.941041][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  157.961093][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 34
[  157.971543][ T5836] bcachefs (loop0): shutdown complete, journal seq 35
[  157.979145][ T5836] bcachefs (loop0): marking filesystem clean
[  157.994153][ T5836] bcachefs (loop0): shutdown complete
umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./11/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 5997 attached
 <unfinished ...>
[pid  5997] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5997] chdir("./12" <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 5997
[pid  5997] <... chdir resumed>)        = 0
[pid  5997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5997] setpgid(0, 0)               = 0
[pid  5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5997] write(3, "1000", 4)         = 4
[pid  5997] close(3)                    = 0
[pid  5997] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5997] write(1, "executing program\n", 18executing program
) = 18
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  5997] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 5998 attached
 <unfinished ...>
[pid  5998] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5997] <... clone3 resumed> => {parent_tid=[5998]}, 88) = 5998
[pid  5998] <... rseq resumed>)         = 0
[pid  5998] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  5998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... futex resumed>)        = 0
[pid  5997] <... futex resumed>)        = 1
[pid  5998] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... memfd_create resumed>) = 3
[pid  5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5998] munmap(0x7f53efc00000, 138412032) = 0
[pid  5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5998] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5998] close(3)                    = 0
[pid  5998] close(4)                    = 0
[pid  5998] mkdir("./file1", 0777)      = 0
[  159.336981][ T5998] loop0: detected capacity change from 0 to 32768
[  159.401962][ T5998] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  159.418783][ T5998] bcachefs (loop0): initializing new filesystem
[  159.427373][ T5998] bcachefs (loop0): going read-write
[  159.434145][ T5998] bcachefs (loop0): marking superblocks
[pid  5998] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  5998] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5998] chdir("./file1")            = 0
[pid  5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5998] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5998] close(4)                    = 0
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5997] <... futex resumed>)        = 0
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... futex resumed>)        = 0
[pid  5997] <... futex resumed>)        = 1
[pid  5998] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[  159.447464][ T5998] bcachefs (loop0): initializing freespace
[  159.454271][ T5998] bcachefs (loop0): done initializing freespace
[  159.462495][ T5998] bcachefs (loop0): reading snapshots table
[  159.468538][ T5998] bcachefs (loop0): reading snapshots done
[  159.480756][ T5998] bcachefs (loop0): done starting filesystem
[pid  5998] <... futex resumed>)        = 1
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5998] <... openat resumed>)       = 4
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5997] <... futex resumed>)        = 0
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5997] <... futex resumed>)        = 0
[pid  5998] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... futex resumed>)        = 1
[pid  5998] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... futex resumed>)        = 1
[pid  5998] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5998] <... futex resumed>)        = 1
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5998] memfd_create("syzkaller", 0) = 6
[pid  5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  5998] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5998] munmap(0x7f53efc00000, 138412032) = 0
[pid  5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  5998] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5998] ioctl(7, LOOP_CLR_FD)       = 0
[pid  5998] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  5998] close(7)                    = 0
[pid  5998] close(6)                    = 0
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5997] <... futex resumed>)        = 0
[pid  5998] ftruncate(5, 33587195 <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... ftruncate resumed>)    = 0
[pid  5997] <... futex resumed>)        = 0
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] <... futex resumed>)        = 0
[pid  5997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5998] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5997] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  5997] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6009 attached
 <unfinished ...>
[pid  6009] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6009] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  5997] <... clone3 resumed> => {parent_tid=[6009]}, 88) = 6009
[pid  6009] <... set_robust_list resumed>) = 0
[pid  6009] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5997] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6009] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5997] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6009] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6009] ftruncate(5, 6 <unfinished ...>
[pid  5998] <... sendfile resumed>)     = 2424832
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6009] <... ftruncate resumed>)    = 0
[pid  5998] <... futex resumed>)        = 0
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6009] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5997] <... futex resumed>)        = 0
[pid  6009] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... futex resumed>)        = 0
[pid  5997] <... futex resumed>)        = 1
[pid  5998] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5998] <... futex resumed>)        = 0
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  5997] <... futex resumed>)        = 0
[pid  5998] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5997] <... futex resumed>)        = 0
[pid  5998] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  5997] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5998] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5997] <... futex resumed>)        = 0
[pid  5998] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5997] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5998] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5997] exit_group(0 <unfinished ...>
[pid  6009] <... futex resumed>)        = ?
[pid  5998] <... futex resumed>)        = ?
[pid  5997] <... exit_group resumed>)   = ?
[pid  6009] +++ exited with 0 +++
[pid  5998] +++ exited with 0 +++
[pid  5997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./12", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./12/binderfs", MNT_FORCE|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
[  159.914403][ T5836] bcachefs (loop0): shutting down
[  159.919620][ T5836] bcachefs (loop0): going read-only
[  159.924808][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  159.932797][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 40
[  159.953224][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 43
[  159.963647][ T5836] bcachefs (loop0): shutdown complete, journal seq 44
[  159.971282][ T5836] bcachefs (loop0): marking filesystem clean
[  159.986349][ T5836] bcachefs (loop0): shutdown complete
umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./12/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6010 attached
 <unfinished ...>
[pid  6010] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6010] chdir("./13")               = 0
[pid  6010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6010
[pid  6010] <... prctl resumed>)        = 0
[pid  6010] setpgid(0, 0)               = 0
[pid  6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6010] write(3, "1000", 4)         = 4
[pid  6010] close(3)                    = 0
[pid  6010] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6010] write(1, "executing program\n", 18) = 18
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6010] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6010] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6011 attached
 <unfinished ...>
[pid  6011] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6010] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011
[pid  6011] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6010] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6011] <... set_robust_list resumed>) = 0
[pid  6010] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6011] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6010] <... futex resumed>)        = 0
[pid  6011] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... memfd_create resumed>) = 3
[pid  6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6011] munmap(0x7f53efc00000, 138412032) = 0
[pid  6011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6011] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6011] close(3)                    = 0
[pid  6011] close(4)                    = 0
[pid  6011] mkdir("./file1", 0777)      = 0
[  161.309482][ T6011] loop0: detected capacity change from 0 to 32768
[  161.373591][ T6011] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  161.390383][ T6011] bcachefs (loop0): initializing new filesystem
[  161.397727][ T6011] bcachefs (loop0): going read-write
[  161.403975][ T6011] bcachefs (loop0): marking superblocks
[  161.417058][ T6011] bcachefs (loop0): initializing freespace
[pid  6011] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6011] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6011] chdir("./file1")            = 0
[pid  6011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6011] ioctl(4, LOOP_CLR_FD)       = 0
[  161.423798][ T6011] bcachefs (loop0): done initializing freespace
[  161.432370][ T6011] bcachefs (loop0): reading snapshots table
[  161.438358][ T6011] bcachefs (loop0): reading snapshots done
[  161.450585][ T6011] bcachefs (loop0): done starting filesystem
[pid  6011] close(4)                    = 0
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] <... futex resumed>)        = 0
[pid  6010] <... futex resumed>)        = 1
[pid  6011] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6010] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... openat resumed>)       = 4
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6011] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] <... futex resumed>)        = 0
[pid  6010] <... futex resumed>)        = 1
[pid  6011] creat(NULL, 000 <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... futex resumed>)        = 1
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... open resumed>)         = 5
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... futex resumed>)        = 1
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6011] memfd_create("syzkaller", 0) = 6
[pid  6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6011] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6011] munmap(0x7f53efc00000, 138412032) = 0
[pid  6011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6011] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6011] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6011] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6011] close(7)                    = 0
[pid  6011] close(6)                    = 0
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6010] <... futex resumed>)        = 0
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6011] ftruncate(5, 33587195 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... ftruncate resumed>)    = 0
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6010] <... futex resumed>)        = 0
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6010] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6010] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6022 attached
 => {parent_tid=[6022]}, 88) = 6022
[pid  6022] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6010] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6022] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6010] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6022] <... set_robust_list resumed>) = 0
[pid  6010] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6022] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6022] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6010] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6022] ftruncate(5, 6 <unfinished ...>
[pid  6011] <... sendfile resumed>)     = 1376256
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6022] <... ftruncate resumed>)    = 0
[pid  6011] <... futex resumed>)        = 0
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6022] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6022] <... futex resumed>)        = 1
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6022] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6011] <... futex resumed>)        = 0
[pid  6010] <... futex resumed>)        = 1
[pid  6011] write(-1, NULL, 0 <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... futex resumed>)        = 1
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6011] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... futex resumed>)        = 0
[pid  6010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6010] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6010] <... futex resumed>)        = 0
[pid  6011] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6010] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6011] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6011] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6011] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6010] <... futex resumed>)        = 0
[pid  6010] exit_group(0 <unfinished ...>
[pid  6011] <... futex resumed>)        = ?
[pid  6022] <... futex resumed>)        = ?
[pid  6010] <... exit_group resumed>)   = ?
[pid  6011] +++ exited with 0 +++
[pid  6022] +++ exited with 0 +++
[pid  6010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./13", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./13/binderfs", MNT_FORCE|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
[  161.891737][ T5836] bcachefs (loop0): shutting down
[  161.896943][ T5836] bcachefs (loop0): going read-only
[  161.902191][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  161.910328][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 23
[  161.927331][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 26
[  161.937930][ T5836] bcachefs (loop0): shutdown complete, journal seq 27
[  161.945566][ T5836] bcachefs (loop0): marking filesystem clean
[  161.960366][ T5836] bcachefs (loop0): shutdown complete
umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./13/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6023 attached
, child_tidptr=0x55556fcaf690) = 6023
[pid  6023] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6023] chdir("./14")               = 0
[pid  6023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6023] setpgid(0, 0)               = 0
[pid  6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6023] write(3, "1000", 4)         = 4
[pid  6023] close(3)                    = 0
[pid  6023] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6023] write(1, "executing program\n", 18) = 18
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6023] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6023] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6024 attached
 <unfinished ...>
[pid  6024] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6023] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024
[pid  6024] <... rseq resumed>)         = 0
[pid  6023] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6024] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6023] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6024] <... set_robust_list resumed>) = 0
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6024] memfd_create("syzkaller", 0) = 3
[pid  6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6024] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6024] munmap(0x7f53efc00000, 138412032) = 0
[pid  6024] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6024] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6024] close(3)                    = 0
[pid  6024] close(4)                    = 0
[pid  6024] mkdir("./file1", 0777)      = 0
[  163.281946][ T6024] loop0: detected capacity change from 0 to 32768
[  163.334170][ T6024] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  163.350823][ T6024] bcachefs (loop0): initializing new filesystem
[  163.358305][ T6024] bcachefs (loop0): going read-write
[  163.364112][ T6024] bcachefs (loop0): marking superblocks
[pid  6024] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6024] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6024] chdir("./file1")            = 0
[  163.379426][ T6024] bcachefs (loop0): initializing freespace
[  163.386427][ T6024] bcachefs (loop0): done initializing freespace
[  163.394003][ T6024] bcachefs (loop0): reading snapshots table
[  163.400350][ T6024] bcachefs (loop0): reading snapshots done
[  163.412381][ T6024] bcachefs (loop0): done starting filesystem
[pid  6024] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6024] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6024] close(4)                    = 0
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... futex resumed>)        = 1
[pid  6024] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6023] <... futex resumed>)        = 0
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] <... futex resumed>)        = 0
[pid  6023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] <... openat resumed>)       = 4
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... futex resumed>)        = 1
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] creat(NULL, 000 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... open resumed>)         = 5
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6023] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6024] memfd_create("syzkaller", 0) = 6
[pid  6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6024] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6024] munmap(0x7f53efc00000, 138412032) = 0
[pid  6024] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6024] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6024] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6024] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6024] close(7)                    = 0
[pid  6024] close(6)                    = 0
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6023] <... futex resumed>)        = 0
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6023] <... futex resumed>)        = 0
[pid  6024] ftruncate(5, 33587195 <unfinished ...>
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] <... ftruncate resumed>)    = 0
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6023] <... futex resumed>)        = 0
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6023] <... futex resumed>)        = 0
[pid  6024] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6023] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6023] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6035 attached
 <unfinished ...>
[pid  6035] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6023] <... clone3 resumed> => {parent_tid=[6035]}, 88) = 6035
[pid  6035] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6023] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6035] <... set_robust_list resumed>) = 0
[pid  6023] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6035] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6023] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6035] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6023] <... futex resumed>)        = 0
[pid  6035] ftruncate(5, 6 <unfinished ...>
[pid  6023] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6035] <... ftruncate resumed>)    = 0
[pid  6024] <... sendfile resumed>)     = 1572864
[pid  6035] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6035] <... futex resumed>)        = 1
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6035] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] <... futex resumed>)        = 0
[pid  6023] <... futex resumed>)        = 1
[pid  6024] write(-1, NULL, 0 <unfinished ...>
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6024] <... futex resumed>)        = 0
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] <... futex resumed>)        = 0
[pid  6024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6023] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6024] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6023] <... futex resumed>)        = 0
[pid  6024] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6023] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6024] <... futex resumed>)        = 0
[pid  6023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6024] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6023] exit_group(0 <unfinished ...>
[pid  6035] <... futex resumed>)        = ?
[pid  6024] <... futex resumed>)        = ?
[pid  6035] +++ exited with 0 +++
[pid  6024] +++ exited with 0 +++
[pid  6023] <... exit_group resumed>)   = ?
[pid  6023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./14", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./14/binderfs", MNT_FORCE|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
[  163.810167][ T5836] bcachefs (loop0): shutting down
[  163.815373][ T5836] bcachefs (loop0): going read-only
[  163.820559][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  163.827994][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 27
[  163.847416][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 29
[  163.857862][ T5836] bcachefs (loop0): shutdown complete, journal seq 30
[  163.865530][ T5836] bcachefs (loop0): marking filesystem clean
[  163.881570][ T5836] bcachefs (loop0): shutdown complete
umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./14/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6036 attached
 <unfinished ...>
[pid  6036] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6036
[pid  6036] chdir("./15")               = 0
[pid  6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6036] setpgid(0, 0)               = 0
[pid  6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6036] write(3, "1000", 4)         = 4
[pid  6036] close(3)                    = 0
[pid  6036] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6036] write(1, "executing program\n", 18) = 18
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6036] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6037 attached
 <unfinished ...>
[pid  6037] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6036] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037
[pid  6037] <... rseq resumed>)         = 0
[pid  6037] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] <... futex resumed>)        = 0
[pid  6036] <... futex resumed>)        = 1
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6037] memfd_create("syzkaller", 0) = 3
[pid  6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6037] munmap(0x7f53efc00000, 138412032) = 0
[pid  6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6037] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6037] close(3)                    = 0
[pid  6037] close(4)                    = 0
[pid  6037] mkdir("./file1", 0777)      = 0
[  165.264554][ T6037] loop0: detected capacity change from 0 to 32768
[  165.338861][ T6037] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  165.355408][ T6037] bcachefs (loop0): initializing new filesystem
[  165.362499][ T6037] bcachefs (loop0): going read-write
[  165.368722][ T6037] bcachefs (loop0): marking superblocks
[  165.381886][ T6037] bcachefs (loop0): initializing freespace
[pid  6037] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6037] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6037] chdir("./file1")            = 0
[pid  6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6037] ioctl(4, LOOP_CLR_FD)       = 0
[  165.389034][ T6037] bcachefs (loop0): done initializing freespace
[  165.397382][ T6037] bcachefs (loop0): reading snapshots table
[  165.403334][ T6037] bcachefs (loop0): reading snapshots done
[  165.415502][ T6037] bcachefs (loop0): done starting filesystem
[pid  6037] close(4)                    = 0
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6037] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6036] <... futex resumed>)        = 0
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6037] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502) = 4
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6036] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6037] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6037] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] creat(NULL, 000 <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6037] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6037] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] <... open resumed>)         = 5
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6036] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6037] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6037] <... memfd_create resumed>) = 6
[pid  6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6037] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6037] munmap(0x7f53efc00000, 138412032) = 0
[pid  6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6037] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6037] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6037] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6037] close(7)                    = 0
[pid  6037] close(6)                    = 0
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6037] <... futex resumed>)        = 1
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] ftruncate(5, 33587195 <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6037] <... ftruncate resumed>)    = 0
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] <... futex resumed>)        = 0
[pid  6036] <... futex resumed>)        = 1
[pid  6037] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6036] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6036] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6048 attached
 <unfinished ...>
[pid  6048] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6036] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048
[pid  6048] <... rseq resumed>)         = 0
[pid  6036] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6048] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6036] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6048] <... set_robust_list resumed>) = 0
[pid  6036] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6048] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6036] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6048] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6048] ftruncate(5, 6)             = 0
[pid  6037] <... sendfile resumed>)     = 1703936
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6048] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6048] <... futex resumed>)        = 1
[pid  6036] <... futex resumed>)        = 0
[pid  6048] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] <... futex resumed>)        = 0
[pid  6036] <... futex resumed>)        = 1
[pid  6037] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] <... futex resumed>)        = 0
[pid  6037] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6036] <... futex resumed>)        = 1
[pid  6037] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6037] <... futex resumed>)        = 0
[pid  6037] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6036] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6037] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6037] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6036] <... futex resumed>)        = 0
[pid  6037] <... futex resumed>)        = 0
[pid  6036] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6037] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6036] exit_group(0 <unfinished ...>
[pid  6048] <... futex resumed>)        = ?
[pid  6048] +++ exited with 0 +++
[pid  6037] <... futex resumed>)        = ?
[pid  6036] <... exit_group resumed>)   = ?
[pid  6037] +++ exited with 0 +++
[pid  6036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./15", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./15/binderfs", MNT_FORCE|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
[  165.904013][ T5836] bcachefs (loop0): shutting down
[  165.909229][ T5836] bcachefs (loop0): going read-only
[  165.914420][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  165.922416][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 29
[  165.941257][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 32
[  165.951559][ T5836] bcachefs (loop0): shutdown complete, journal seq 33
[  165.959195][ T5836] bcachefs (loop0): marking filesystem clean
[  165.973712][ T5836] bcachefs (loop0): shutdown complete
umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./15/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6049 attached
 <unfinished ...>
[pid  6049] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6049
[pid  6049] <... set_robust_list resumed>) = 0
[pid  6049] chdir("./16")               = 0
[pid  6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6049] setpgid(0, 0)               = 0
[pid  6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6049] write(3, "1000", 4)         = 4
[pid  6049] close(3)                    = 0
[pid  6049] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  6049] write(1, "executing program\n", 18) = 18
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6049] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6049] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6050 attached
 <unfinished ...>
[pid  6050] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6049] <... clone3 resumed> => {parent_tid=[6050]}, 88) = 6050
[pid  6050] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6049] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6050] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6049] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6050] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6049] <... futex resumed>)        = 0
[pid  6050] <... memfd_create resumed>) = 3
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6050] munmap(0x7f53efc00000, 138412032) = 0
[pid  6050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6050] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6050] close(3)                    = 0
[pid  6050] close(4)                    = 0
[pid  6050] mkdir("./file1", 0777)      = 0
[  167.390016][ T6050] loop0: detected capacity change from 0 to 32768
[  167.453944][ T6050] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  167.470457][ T6050] bcachefs (loop0): initializing new filesystem
[  167.478019][ T6050] bcachefs (loop0): going read-write
[  167.483888][ T6050] bcachefs (loop0): marking superblocks
[  167.497330][ T6050] bcachefs (loop0): initializing freespace
[pid  6050] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6050] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6050] chdir("./file1")            = 0
[pid  6050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  167.504153][ T6050] bcachefs (loop0): done initializing freespace
[  167.511807][ T6050] bcachefs (loop0): reading snapshots table
[  167.518032][ T6050] bcachefs (loop0): reading snapshots done
[  167.530561][ T6050] bcachefs (loop0): done starting filesystem
[pid  6050] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6050] close(4)                    = 0
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] <... futex resumed>)        = 0
[pid  6050] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6050] <... futex resumed>)        = 0
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502) = 4
[pid  6049] <... futex resumed>)        = 0
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] <... futex resumed>)        = 0
[pid  6050] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6049] <... futex resumed>)        = 0
[pid  6050] <... futex resumed>)        = 1
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] creat(NULL, 000 <unfinished ...>
[pid  6049] <... futex resumed>)        = 0
[pid  6050] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... futex resumed>)        = 0
[pid  6049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] <... futex resumed>)        = 0
[pid  6050] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... open resumed>)         = 5
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6050] memfd_create("syzkaller", 0) = 6
[pid  6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6050] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6050] munmap(0x7f53efc00000, 138412032) = 0
[pid  6050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6050] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6050] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6050] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6050] close(7)                    = 0
[pid  6050] close(6)                    = 0
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] <... futex resumed>)        = 0
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = 0
[pid  6049] <... futex resumed>)        = 1
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] ftruncate(5, 33587195)      = 0
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6049] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6049] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6061 attached
 => {parent_tid=[6061]}, 88) = 6061
[pid  6061] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6049] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6061] <... rseq resumed>)         = 0
[pid  6049] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6061] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6049] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6061] <... set_robust_list resumed>) = 0
[pid  6049] <... futex resumed>)        = 0
[pid  6061] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6049] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6061] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6061] ftruncate(5, 6 <unfinished ...>
[pid  6050] <... sendfile resumed>)     = 1835008
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6061] <... ftruncate resumed>)    = 0
[pid  6061] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6049] <... futex resumed>)        = 0
[pid  6061] <... futex resumed>)        = 1
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6061] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6050] <... futex resumed>)        = 0
[pid  6049] <... futex resumed>)        = 1
[pid  6050] write(-1, NULL, 0 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] <... futex resumed>)        = 0
[pid  6050] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6049] <... futex resumed>)        = 0
[pid  6050] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6049] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6050] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6050] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6049] <... futex resumed>)        = 0
[pid  6050] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6049] exit_group(0 <unfinished ...>
[pid  6061] <... futex resumed>)        = ?
[pid  6050] <... futex resumed>)        = ?
[pid  6049] <... exit_group resumed>)   = ?
[pid  6061] +++ exited with 0 +++
[pid  6050] +++ exited with 0 +++
[pid  6049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./16", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./16/binderfs", MNT_FORCE|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
[  167.961854][ T5836] bcachefs (loop0): shutting down
[  167.967195][ T5836] bcachefs (loop0): going read-only
[  167.972394][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  167.980454][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  168.000538][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 34
[  168.011117][ T5836] bcachefs (loop0): shutdown complete, journal seq 35
[  168.018694][ T5836] bcachefs (loop0): marking filesystem clean
[  168.033154][ T5836] bcachefs (loop0): shutdown complete
umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./16/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6062 attached
 <unfinished ...>
[pid  6062] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6062
[pid  6062] <... set_robust_list resumed>) = 0
[pid  6062] chdir("./17")               = 0
[pid  6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6062] setpgid(0, 0)               = 0
[pid  6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6062] write(3, "1000", 4)         = 4
[pid  6062] close(3)                    = 0
[pid  6062] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6062] write(1, "executing program\n", 18) = 18
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6062] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6062] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6063 attached
 <unfinished ...>
[pid  6063] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6062] <... clone3 resumed> => {parent_tid=[6063]}, 88) = 6063
[pid  6063] <... rseq resumed>)         = 0
[pid  6063] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] <... futex resumed>)        = 0
[pid  6062] <... futex resumed>)        = 1
[pid  6063] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... memfd_create resumed>) = 3
[pid  6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6063] munmap(0x7f53efc00000, 138412032) = 0
[pid  6063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6063] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6063] close(3)                    = 0
[pid  6063] close(4)                    = 0
[pid  6063] mkdir("./file1", 0777)      = 0
[  169.542080][ T6063] loop0: detected capacity change from 0 to 32768
[  169.616367][ T6063] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  169.632895][ T6063] bcachefs (loop0): initializing new filesystem
[  169.640165][ T6063] bcachefs (loop0): going read-write
[  169.646163][ T6063] bcachefs (loop0): marking superblocks
[  169.659526][ T6063] bcachefs (loop0): initializing freespace
[pid  6063] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6063] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6063] chdir("./file1")            = 0
[pid  6063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6063] ioctl(4, LOOP_CLR_FD)       = 0
[  169.666536][ T6063] bcachefs (loop0): done initializing freespace
[  169.675526][ T6063] bcachefs (loop0): reading snapshots table
[  169.681507][ T6063] bcachefs (loop0): reading snapshots done
[  169.693803][ T6063] bcachefs (loop0): done starting filesystem
[pid  6063] close(4)                    = 0
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6063] <... futex resumed>)        = 0
[pid  6063] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6062] <... futex resumed>)        = 0
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6062] <... futex resumed>)        = 0
[pid  6063] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... openat resumed>)       = 4
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6062] <... futex resumed>)        = 0
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] creat(NULL, 000 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6063] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6063] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... open resumed>)         = 5
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] <... futex resumed>)        = 0
[pid  6062] <... futex resumed>)        = 1
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6063] memfd_create("syzkaller", 0) = 6
[pid  6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6063] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6063] munmap(0x7f53efc00000, 138412032) = 0
[pid  6063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6063] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6063] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6063] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6063] close(7)                    = 0
[pid  6063] close(6)                    = 0
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6063] <... futex resumed>)        = 1
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] ftruncate(5, 33587195 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... ftruncate resumed>)    = 0
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6063] <... futex resumed>)        = 1
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6062] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6062] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6074 attached
 => {parent_tid=[6074]}, 88) = 6074
[pid  6062] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6074] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6062] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6074] <... rseq resumed>)         = 0
[pid  6062] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6074] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6074] <... set_robust_list resumed>) = 0
[pid  6062] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6074] ftruncate(5, 6 <unfinished ...>
[pid  6063] <... sendfile resumed>)     = 2424832
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6074] <... ftruncate resumed>)    = 0
[pid  6074] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6074] <... futex resumed>)        = 1
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6074] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6063] <... futex resumed>)        = 0
[pid  6062] <... futex resumed>)        = 1
[pid  6063] write(-1, NULL, 0 <unfinished ...>
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6062] <... futex resumed>)        = 0
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6062] <... futex resumed>)        = 0
[pid  6063] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6062] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6063] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6062] <... futex resumed>)        = 0
[pid  6063] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6062] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6063] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6063] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6062] exit_group(0 <unfinished ...>
[pid  6074] <... futex resumed>)        = ?
[pid  6063] <... futex resumed>)        = ?
[pid  6074] +++ exited with 0 +++
[pid  6063] +++ exited with 0 +++
[pid  6062] <... exit_group resumed>)   = ?
[pid  6062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./17", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./17/binderfs", MNT_FORCE|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
[  170.161192][ T5836] bcachefs (loop0): shutting down
[  170.166392][ T5836] bcachefs (loop0): going read-only
[  170.171582][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  170.179036][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 40
[  170.199118][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 43
[  170.209706][ T5836] bcachefs (loop0): shutdown complete, journal seq 44
[  170.217264][ T5836] bcachefs (loop0): marking filesystem clean
[  170.233200][ T5836] bcachefs (loop0): shutdown complete
umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./17/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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, child_tidptr=0x55556fcaf690) = 6075
./strace-static-x86_64: Process 6075 attached
[pid  6075] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6075] chdir("./18")               = 0
[pid  6075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6075] setpgid(0, 0)               = 0
[pid  6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6075] write(3, "1000", 4)         = 4
[pid  6075] close(3)                    = 0
[pid  6075] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6075] write(1, "executing program\n", 18) = 18
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6075] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6075] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6076 attached
 <unfinished ...>
[pid  6076] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6075] <... clone3 resumed> => {parent_tid=[6076]}, 88) = 6076
[pid  6076] <... rseq resumed>)         = 0
[pid  6076] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = 0
[pid  6075] <... futex resumed>)        = 1
[pid  6076] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6076] <... memfd_create resumed>) = 3
[pid  6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6076] munmap(0x7f53efc00000, 138412032) = 0
[pid  6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6076] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6076] close(3)                    = 0
[pid  6076] close(4)                    = 0
[pid  6076] mkdir("./file1", 0777)      = 0
[  171.671311][ T6076] loop0: detected capacity change from 0 to 32768
[  171.744564][ T6076] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  171.761467][ T6076] bcachefs (loop0): initializing new filesystem
[  171.768689][ T6076] bcachefs (loop0): going read-write
[  171.774731][ T6076] bcachefs (loop0): marking superblocks
[  171.788237][ T6076] bcachefs (loop0): initializing freespace
[pid  6076] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6076] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6076] chdir("./file1")            = 0
[pid  6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6076] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6076] close(4)                    = 0
[  171.795115][ T6076] bcachefs (loop0): done initializing freespace
[  171.802771][ T6076] bcachefs (loop0): reading snapshots table
[  171.808892][ T6076] bcachefs (loop0): reading snapshots done
[  171.822114][ T6076] bcachefs (loop0): done starting filesystem
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6075] <... futex resumed>)        = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6076] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
[pid  6075] <... futex resumed>)        = 1
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = 0
[pid  6075] <... futex resumed>)        = 1
[pid  6076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] <... openat resumed>)       = 4
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6075] <... futex resumed>)        = 0
[pid  6076] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6075] <... futex resumed>)        = 0
[pid  6076] <... futex resumed>)        = 0
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = 0
[pid  6076] creat(NULL, 000 <unfinished ...>
[pid  6075] <... futex resumed>)        = 1
[pid  6076] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6076] <... futex resumed>)        = 0
[pid  6076] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... open resumed>)         = 5
[pid  6075] <... futex resumed>)        = 0
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6076] <... futex resumed>)        = 0
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6076] memfd_create("syzkaller", 0) = 6
[pid  6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6076] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6076] munmap(0x7f53efc00000, 138412032) = 0
[pid  6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6076] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6076] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6076] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6076] close(7)                    = 0
[pid  6076] close(6)                    = 0
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6075] <... futex resumed>)        = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6076] ftruncate(5, 33587195 <unfinished ...>
[pid  6075] <... futex resumed>)        = 0
[pid  6076] <... ftruncate resumed>)    = 0
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6075] <... futex resumed>)        = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6075] <... futex resumed>)        = 0
[pid  6076] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6075] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6075] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6087 attached
 => {parent_tid=[6087]}, 88) = 6087
[pid  6087] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6075] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6087] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6075] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6087] <... set_robust_list resumed>) = 0
[pid  6075] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6087] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6075] <... futex resumed>)        = 0
[pid  6087] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6075] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6087] ftruncate(5, 6 <unfinished ...>
[pid  6076] <... sendfile resumed>)     = 2162688
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6087] <... ftruncate resumed>)    = 0
[pid  6087] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6075] <... futex resumed>)        = 0
[pid  6087] <... futex resumed>)        = 1
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6087] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6076] <... futex resumed>)        = 0
[pid  6075] <... futex resumed>)        = 1
[pid  6076] write(-1, NULL, 0 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6075] <... futex resumed>)        = 0
[pid  6076] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6075] <... futex resumed>)        = 0
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6075] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6075] <... futex resumed>)        = 0
[pid  6076] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6075] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6076] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6076] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6075] <... futex resumed>)        = 0
[pid  6076] <... futex resumed>)        = 1
[pid  6075] exit_group(0 <unfinished ...>
[pid  6076] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  6075] <... exit_group resumed>)   = ?
[pid  6076] +++ exited with 0 +++
[pid  6087] <... futex resumed>)        = ?
[pid  6087] +++ exited with 0 +++
[pid  6075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./18", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./18/binderfs", MNT_FORCE|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
[  172.293558][ T5836] bcachefs (loop0): shutting down
[  172.298776][ T5836] bcachefs (loop0): going read-only
[  172.304000][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  172.311534][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 36
[  172.334012][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 39
[  172.344474][ T5836] bcachefs (loop0): shutdown complete, journal seq 40
[  172.352110][ T5836] bcachefs (loop0): marking filesystem clean
[  172.367002][ T5836] bcachefs (loop0): shutdown complete
umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./18/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6088 attached
 <unfinished ...>
[pid  6088] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6088
[pid  6088] chdir("./19")               = 0
[pid  6088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6088] setpgid(0, 0)               = 0
[pid  6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6088] write(3, "1000", 4)         = 4
[pid  6088] close(3)                    = 0
[pid  6088] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6088] write(1, "executing program\n", 18executing program
) = 18
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6088] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6088] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6089 attached
 <unfinished ...>
[pid  6089] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6088] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089
[pid  6089] <... rseq resumed>)         = 0
[pid  6089] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6089] <... futex resumed>)        = 0
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6089] memfd_create("syzkaller", 0) = 3
[pid  6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6089] munmap(0x7f53efc00000, 138412032) = 0
[pid  6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6089] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6089] close(3)                    = 0
[pid  6089] close(4)                    = 0
[pid  6089] mkdir("./file1", 0777)      = 0
[  173.782248][ T6089] loop0: detected capacity change from 0 to 32768
[  173.847760][ T6089] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  173.864575][ T6089] bcachefs (loop0): initializing new filesystem
[  173.872284][ T6089] bcachefs (loop0): going read-write
[  173.878055][ T6089] bcachefs (loop0): marking superblocks
[  173.890688][ T6089] bcachefs (loop0): initializing freespace
[pid  6089] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6089] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6089] chdir("./file1")            = 0
[pid  6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6089] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6089] close(4)                    = 0
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... futex resumed>)        = 0
[  173.897559][ T6089] bcachefs (loop0): done initializing freespace
[  173.905587][ T6089] bcachefs (loop0): reading snapshots table
[  173.911539][ T6089] bcachefs (loop0): reading snapshots done
[  173.924115][ T6089] bcachefs (loop0): done starting filesystem
[pid  6088] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = 0
[pid  6088] <... futex resumed>)        = 1
[pid  6089] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... openat resumed>)       = 4
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6089] <... futex resumed>)        = 1
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6089] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] creat(NULL, 000 <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... futex resumed>)        = 0
[pid  6088] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... open resumed>)         = 5
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6089] memfd_create("syzkaller", 0) = 6
[pid  6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6089] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6089] munmap(0x7f53efc00000, 138412032) = 0
[pid  6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6089] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6089] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6089] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6089] close(7)                    = 0
[pid  6089] close(6)                    = 0
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6089] <... futex resumed>)        = 1
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] ftruncate(5, 33587195 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... ftruncate resumed>)    = 0
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6089] <... futex resumed>)        = 1
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6088] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6088] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6100 attached
 <unfinished ...>
[pid  6100] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6088] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100
[pid  6100] <... rseq resumed>)         = 0
[pid  6088] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6100] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6088] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6088] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6100] ftruncate(5, 6 <unfinished ...>
[pid  6088] <... futex resumed>)        = 0
[pid  6088] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... sendfile resumed>)     = 1572864
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6100] <... ftruncate resumed>)    = 0
[pid  6100] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = 0
[pid  6100] <... futex resumed>)        = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6100] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] write(-1, NULL, 0 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6088] <... futex resumed>)        = 0
[pid  6089] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6088] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6089] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6089] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6088] <... futex resumed>)        = 0
[pid  6089] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6088] exit_group(0 <unfinished ...>
[pid  6100] <... futex resumed>)        = ?
[pid  6089] <... futex resumed>)        = ?
[pid  6088] <... exit_group resumed>)   = ?
[pid  6100] +++ exited with 0 +++
[pid  6089] +++ exited with 0 +++
[pid  6088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./19", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./19/binderfs", MNT_FORCE|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
[  174.327429][ T5836] bcachefs (loop0): shutting down
[  174.332491][ T5836] bcachefs (loop0): going read-only
[  174.337894][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  174.345271][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 27
[  174.366802][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 31
[  174.377136][ T5836] bcachefs (loop0): shutdown complete, journal seq 32
[  174.384508][ T5836] bcachefs (loop0): marking filesystem clean
[  174.400040][ T5836] bcachefs (loop0): shutdown complete
umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./19/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6101 attached
 <unfinished ...>
[pid  6101] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6101
[pid  6101] <... set_robust_list resumed>) = 0
[pid  6101] chdir("./20")               = 0
[pid  6101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6101] setpgid(0, 0)               = 0
[pid  6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6101] write(3, "1000", 4)         = 4
[pid  6101] close(3)                    = 0
[pid  6101] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6101] write(1, "executing program\n", 18) = 18
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6101] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6101] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6102 attached
 <unfinished ...>
[pid  6102] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6102] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6101] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102
[pid  6102] <... set_robust_list resumed>) = 0
[pid  6101] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6102] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6101] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6102] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... memfd_create resumed>) = 3
[pid  6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6102] munmap(0x7f53efc00000, 138412032) = 0
[pid  6102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6102] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6102] close(3)                    = 0
[pid  6102] close(4)                    = 0
[pid  6102] mkdir("./file1", 0777)      = 0
[  175.722426][ T6102] loop0: detected capacity change from 0 to 32768
[  175.777606][ T6102] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  175.794074][ T6102] bcachefs (loop0): initializing new filesystem
[  175.801220][ T6102] bcachefs (loop0): going read-write
[  175.807253][ T6102] bcachefs (loop0): marking superblocks
[  175.820947][ T6102] bcachefs (loop0): initializing freespace
[pid  6102] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6102] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6102] chdir("./file1")            = 0
[pid  6102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6102] ioctl(4, LOOP_CLR_FD)       = 0
[  175.827826][ T6102] bcachefs (loop0): done initializing freespace
[  175.836008][ T6102] bcachefs (loop0): reading snapshots table
[  175.841965][ T6102] bcachefs (loop0): reading snapshots done
[  175.854438][ T6102] bcachefs (loop0): done starting filesystem
[pid  6102] close(4)                    = 0
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... openat resumed>)       = 4
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6102] <... futex resumed>)        = 1
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] creat(NULL, 000 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... open resumed>)         = 5
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6102] <... futex resumed>)        = 1
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6102] memfd_create("syzkaller", 0) = 6
[pid  6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6102] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6102] munmap(0x7f53efc00000, 138412032) = 0
[pid  6102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6102] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6102] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6102] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6102] close(7)                    = 0
[pid  6102] close(6)                    = 0
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] ftruncate(5, 33587195 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6102] <... ftruncate resumed>)    = 0
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6101] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6101] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6113 attached
 <unfinished ...>
[pid  6113] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6101] <... clone3 resumed> => {parent_tid=[6113]}, 88) = 6113
[pid  6113] <... rseq resumed>)         = 0
[pid  6101] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6113] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6113] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6101] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6113] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6113] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6113] <... futex resumed>)        = 0
[pid  6101] <... futex resumed>)        = 1
[pid  6113] ftruncate(5, 6 <unfinished ...>
[pid  6101] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... sendfile resumed>)     = 1769472
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6113] <... ftruncate resumed>)    = 0
[pid  6113] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6101] <... futex resumed>)        = 0
[pid  6113] <... futex resumed>)        = 1
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6113] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6102] <... futex resumed>)        = 0
[pid  6101] <... futex resumed>)        = 1
[pid  6102] write(-1, NULL, 0 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6101] <... futex resumed>)        = 0
[pid  6102] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6101] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6102] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6102] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6101] <... futex resumed>)        = 0
[pid  6102] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6101] exit_group(0 <unfinished ...>
[pid  6113] <... futex resumed>)        = ?
[pid  6102] <... futex resumed>)        = ?
[pid  6101] <... exit_group resumed>)   = ?
[pid  6113] +++ exited with 0 +++
[pid  6102] +++ exited with 0 +++
[pid  6101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./20/binderfs", MNT_FORCE|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
[  176.238905][ T5836] bcachefs (loop0): shutting down
[  176.243972][ T5836] bcachefs (loop0): going read-only
[  176.249434][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  176.256816][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 30
[  176.275429][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 32
[  176.285909][ T5836] bcachefs (loop0): shutdown complete, journal seq 33
[  176.293283][ T5836] bcachefs (loop0): marking filesystem clean
[  176.308755][ T5836] bcachefs (loop0): shutdown complete
umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./20/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6114 attached
 <unfinished ...>
[pid  6114] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6114
[pid  6114] <... set_robust_list resumed>) = 0
[pid  6114] chdir("./21")               = 0
[pid  6114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6114] setpgid(0, 0)               = 0
[pid  6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6114] write(3, "1000", 4)         = 4
[pid  6114] close(3)                    = 0
[pid  6114] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6114] write(1, "executing program\n", 18executing program
) = 18
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6114] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6114] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6115 attached
 <unfinished ...>
[pid  6115] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6115] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6114] <... clone3 resumed> => {parent_tid=[6115]}, 88) = 6115
[pid  6115] <... set_robust_list resumed>) = 0
[pid  6115] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6114] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6115] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6114] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6114] <... futex resumed>)        = 0
[pid  6115] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6115] <... memfd_create resumed>) = 3
[pid  6115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6115] munmap(0x7f53efc00000, 138412032) = 0
[pid  6115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6115] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6115] close(3)                    = 0
[pid  6115] close(4)                    = 0
[pid  6115] mkdir("./file1", 0777)      = 0
[  177.662858][ T6115] loop0: detected capacity change from 0 to 32768
[  177.734644][ T6115] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  177.751417][ T6115] bcachefs (loop0): initializing new filesystem
[  177.758975][ T6115] bcachefs (loop0): going read-write
[  177.765042][ T6115] bcachefs (loop0): marking superblocks
[  177.778995][ T6115] bcachefs (loop0): initializing freespace
[pid  6115] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6115] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6115] chdir("./file1")            = 0
[pid  6115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  177.785815][ T6115] bcachefs (loop0): done initializing freespace
[  177.793021][ T6115] bcachefs (loop0): reading snapshots table
[  177.799339][ T6115] bcachefs (loop0): reading snapshots done
[  177.811637][ T6115] bcachefs (loop0): done starting filesystem
[pid  6115] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6115] close(4)                    = 0
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6115] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6115] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] <... openat resumed>)       = 4
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] <... futex resumed>)        = 1
[pid  6115] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6115] <... futex resumed>)        = 1
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] <... futex resumed>)        = 1
[pid  6115] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6115] memfd_create("syzkaller", 0) = 6
[pid  6115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6115] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6115] munmap(0x7f53efc00000, 138412032) = 0
[pid  6115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6115] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6115] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6115] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6115] close(7)                    = 0
[pid  6115] close(6)                    = 0
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6114] <... futex resumed>)        = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] <... futex resumed>)        = 0
[pid  6114] <... futex resumed>)        = 1
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] ftruncate(5, 33587195)      = 0
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6114] <... futex resumed>)        = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6115] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6114] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6114] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6114] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6126 attached
 <unfinished ...>
[pid  6126] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6114] <... clone3 resumed> => {parent_tid=[6126]}, 88) = 6126
[pid  6126] <... rseq resumed>)         = 0
[pid  6114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6126] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6114] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6126] <... set_robust_list resumed>) = 0
[pid  6114] <... futex resumed>)        = 0
[pid  6126] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6114] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6126] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6126] ftruncate(5, 6 <unfinished ...>
[pid  6115] <... sendfile resumed>)     = 1703936
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6126] <... ftruncate resumed>)    = 0
[pid  6126] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6114] <... futex resumed>)        = 0
[pid  6126] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] <... futex resumed>)        = 0
[pid  6115] write(-1, NULL, 0 <unfinished ...>
[pid  6114] <... futex resumed>)        = 1
[pid  6115] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6115] <... futex resumed>)        = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6114] <... futex resumed>)        = 0
[pid  6115] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6115] <... futex resumed>)        = 0
[pid  6114] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6115] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6114] <... futex resumed>)        = 0
[pid  6115] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6114] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6115] <... futex resumed>)        = 0
[pid  6115] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6114] exit_group(0 <unfinished ...>
[pid  6115] <... futex resumed>)        = ?
[pid  6115] +++ exited with 0 +++
[pid  6126] <... futex resumed>)        = ?
[pid  6126] +++ exited with 0 +++
[pid  6114] <... exit_group resumed>)   = ?
[pid  6114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
umount2("./21", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./21/binderfs", MNT_FORCE|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
[  178.241540][ T5836] bcachefs (loop0): shutting down
[  178.246731][ T5836] bcachefs (loop0): going read-only
[  178.251943][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  178.259399][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 29
[  178.278382][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 31
[  178.289074][ T5836] bcachefs (loop0): shutdown complete, journal seq 32
[  178.296688][ T5836] bcachefs (loop0): marking filesystem clean
[  178.311499][ T5836] bcachefs (loop0): shutdown complete
umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./21/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6127 attached
, child_tidptr=0x55556fcaf690) = 6127
[pid  6127] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6127] chdir("./22")               = 0
[pid  6127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6127] setpgid(0, 0)               = 0
[pid  6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6127] write(3, "1000", 4)         = 4
[pid  6127] close(3)                    = 0
[pid  6127] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6127] write(1, "executing program\n", 18) = 18
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6127] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6127] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6128 attached
 <unfinished ...>
[pid  6128] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6127] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128
[pid  6128] <... rseq resumed>)         = 0
[pid  6127] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6128] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6127] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6128] <... set_robust_list resumed>) = 0
[pid  6128] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6127] <... futex resumed>)        = 0
[pid  6128] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... memfd_create resumed>) = 3
[pid  6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6128] munmap(0x7f53efc00000, 138412032) = 0
[pid  6128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6128] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6128] close(3)                    = 0
[pid  6128] close(4)                    = 0
[pid  6128] mkdir("./file1", 0777)      = 0
[  179.705952][ T6128] loop0: detected capacity change from 0 to 32768
[  179.769030][ T6128] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  179.785744][ T6128] bcachefs (loop0): initializing new filesystem
[  179.793316][ T6128] bcachefs (loop0): going read-write
[  179.798947][ T6128] bcachefs (loop0): marking superblocks
[  179.811605][ T6128] bcachefs (loop0): initializing freespace
[pid  6128] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6128] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6128] chdir("./file1")            = 0
[pid  6128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6128] ioctl(4, LOOP_CLR_FD)       = 0
[  179.818574][ T6128] bcachefs (loop0): done initializing freespace
[  179.826047][ T6128] bcachefs (loop0): reading snapshots table
[  179.831985][ T6128] bcachefs (loop0): reading snapshots done
[  179.845159][ T6128] bcachefs (loop0): done starting filesystem
[pid  6128] close(4)                    = 0
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... futex resumed>)        = 0
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... futex resumed>)        = 0
[pid  6127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6127] <... futex resumed>)        = 0
[pid  6128] <... openat resumed>)       = 4
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... futex resumed>)        = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = 0
[pid  6128] creat(NULL, 000 <unfinished ...>
[pid  6127] <... futex resumed>)        = 1
[pid  6128] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6128] <... futex resumed>)        = 0
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6127] <... futex resumed>)        = 0
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... open resumed>)         = 5
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6127] <... futex resumed>)        = 0
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6128] memfd_create("syzkaller", 0) = 6
[pid  6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6128] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6128] munmap(0x7f53efc00000, 138412032) = 0
[pid  6128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6128] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6128] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6128] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6128] close(7)                    = 0
[pid  6128] close(6)                    = 0
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6127] <... futex resumed>)        = 0
[pid  6128] ftruncate(5, 33587195 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... ftruncate resumed>)    = 0
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... futex resumed>)        = 0
[pid  6128] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6127] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  6127] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6127] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6139 attached
 => {parent_tid=[6139]}, 88) = 6139
[pid  6139] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6127] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6139] <... rseq resumed>)         = 0
[pid  6127] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6139] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6127] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6127] <... futex resumed>)        = 0
[pid  6139] ftruncate(5, 6 <unfinished ...>
[pid  6127] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... sendfile resumed>)     = 3080192
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6139] <... ftruncate resumed>)    = 0
[pid  6139] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6139] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = 0
[pid  6127] <... futex resumed>)        = 1
[pid  6128] write(-1, NULL, 0 <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6127] <... futex resumed>)        = 0
[pid  6128] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... futex resumed>)        = 0
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6127] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6128] <... futex resumed>)        = 0
[pid  6127] <... futex resumed>)        = 1
[pid  6128] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6128] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6128] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6127] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6127] exit_group(0)               = ?
[pid  6128] <... futex resumed>)        = ?
[pid  6139] <... futex resumed>)        = ?
[pid  6128] +++ exited with 0 +++
[pid  6139] +++ exited with 0 +++
[pid  6127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=30 /* 0.30 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./22/binderfs", MNT_FORCE|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
[  180.333474][ T5836] bcachefs (loop0): shutting down
[  180.338685][ T5836] bcachefs (loop0): going read-only
[  180.343876][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  180.351450][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 50
[  180.373532][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 53
[  180.384284][ T5836] bcachefs (loop0): shutdown complete, journal seq 54
[  180.391898][ T5836] bcachefs (loop0): marking filesystem clean
[  180.406561][ T5836] bcachefs (loop0): shutdown complete
umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./22/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6140 attached
 <unfinished ...>
[pid  6140] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6140
[pid  6140] chdir("./23")               = 0
[pid  6140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6140] setpgid(0, 0)               = 0
[pid  6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6140] write(3, "1000", 4)         = 4
[pid  6140] close(3)                    = 0
[pid  6140] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6140] write(1, "executing program\n", 18executing program
) = 18
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6140] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6140] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6140] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6141 attached
 <unfinished ...>
[pid  6141] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6140] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141
[pid  6141] <... rseq resumed>)         = 0
[pid  6141] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6140] <... futex resumed>)        = 1
[pid  6141] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... memfd_create resumed>) = 3
[pid  6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6141] munmap(0x7f53efc00000, 138412032) = 0
[pid  6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6141] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6141] close(3)                    = 0
[pid  6141] close(4)                    = 0
[pid  6141] mkdir("./file1", 0777)      = 0
[  181.769679][ T6141] loop0: detected capacity change from 0 to 32768
[  181.843050][ T6141] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  181.859668][ T6141] bcachefs (loop0): initializing new filesystem
[  181.866975][ T6141] bcachefs (loop0): going read-write
[  181.872837][ T6141] bcachefs (loop0): marking superblocks
[  181.885983][ T6141] bcachefs (loop0): initializing freespace
[pid  6141] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6141] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6141] chdir("./file1")            = 0
[pid  6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6141] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6141] close(4)                    = 0
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] <... futex resumed>)        = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6140] <... futex resumed>)        = 1
[pid  6141] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6141] <... futex resumed>)        = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6140] <... futex resumed>)        = 0
[  181.892769][ T6141] bcachefs (loop0): done initializing freespace
[  181.901991][ T6141] bcachefs (loop0): reading snapshots table
[  181.908520][ T6141] bcachefs (loop0): reading snapshots done
[  181.921367][ T6141] bcachefs (loop0): done starting filesystem
[pid  6141] <... openat resumed>)       = 4
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6140] <... futex resumed>)        = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6140] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6140] <... futex resumed>)        = 1
[pid  6141] creat(NULL, 000 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6140] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] <... futex resumed>)        = 0
[pid  6141] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... open resumed>)         = 5
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6140] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6141] memfd_create("syzkaller", 0) = 6
[pid  6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6141] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6141] munmap(0x7f53efc00000, 138412032) = 0
[pid  6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6141] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6141] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6141] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6141] close(7)                    = 0
[pid  6141] close(6)                    = 0
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] <... futex resumed>)        = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6140] <... futex resumed>)        = 1
[pid  6141] ftruncate(5, 33587195 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... ftruncate resumed>)    = 0
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6140] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] <... futex resumed>)        = 0
[pid  6141] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6140] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6140] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6140] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6152 attached
 <unfinished ...>
[pid  6152] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6140] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152
[pid  6152] <... rseq resumed>)         = 0
[pid  6140] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6152] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6140] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6152] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6140] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6152] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6140] <... futex resumed>)        = 0
[pid  6152] ftruncate(5, 6 <unfinished ...>
[pid  6140] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... sendfile resumed>)     = 2031616
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6152] <... ftruncate resumed>)    = 0
[pid  6152] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6140] <... futex resumed>)        = 0
[pid  6152] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6140] <... futex resumed>)        = 1
[pid  6141] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6141] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] <... futex resumed>)        = 0
[pid  6141] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6141] <... futex resumed>)        = 0
[pid  6140] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6141] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6140] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6140] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6141] <... futex resumed>)        = 0
[pid  6141] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6140] exit_group(0 <unfinished ...>
[pid  6141] <... futex resumed>)        = ?
[pid  6141] +++ exited with 0 +++
[pid  6152] <... futex resumed>)        = ?
[pid  6152] +++ exited with 0 +++
[pid  6140] <... exit_group resumed>)   = ?
[pid  6140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=31 /* 0.31 s */} ---
umount2("./23", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./23/binderfs", MNT_FORCE|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
[  182.389514][ T5836] bcachefs (loop0): shutting down
[  182.394581][ T5836] bcachefs (loop0): going read-only
[  182.400052][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  182.407565][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 34
[  182.426896][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 36
[  182.437303][ T5836] bcachefs (loop0): shutdown complete, journal seq 37
[  182.444688][ T5836] bcachefs (loop0): marking filesystem clean
[  182.460055][ T5836] bcachefs (loop0): shutdown complete
umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./23/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6153 attached
 <unfinished ...>
[pid  6153] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6153
[pid  6153] chdir("./24")               = 0
[pid  6153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6153] setpgid(0, 0)               = 0
[pid  6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6153] write(3, "1000", 4)         = 4
[pid  6153] close(3)                    = 0
[pid  6153] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  6153] write(1, "executing program\n", 18) = 18
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6153] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6153] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6154 attached
 <unfinished ...>
[pid  6154] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6153] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154
[pid  6154] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6153] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6154] <... set_robust_list resumed>) = 0
[pid  6153] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6154] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6153] <... futex resumed>)        = 0
[pid  6154] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... memfd_create resumed>) = 3
[pid  6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6154] munmap(0x7f53efc00000, 138412032) = 0
[pid  6154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6154] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6154] close(3)                    = 0
[pid  6154] close(4)                    = 0
[pid  6154] mkdir("./file1", 0777)      = 0
[  183.765072][ T6154] loop0: detected capacity change from 0 to 32768
[  183.828664][ T6154] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  183.845615][ T6154] bcachefs (loop0): initializing new filesystem
[  183.852700][ T6154] bcachefs (loop0): going read-write
[  183.859121][ T6154] bcachefs (loop0): marking superblocks
[  183.872316][ T6154] bcachefs (loop0): initializing freespace
[pid  6154] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6154] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6154] chdir("./file1")            = 0
[pid  6154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6154] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6154] close(4)                    = 0
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6153] <... futex resumed>)        = 0
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6153] <... futex resumed>)        = 0
[pid  6154] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6153] <... futex resumed>)        = 0
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6153] <... futex resumed>)        = 0
[pid  6154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... openat resumed>)       = 4
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[  183.879320][ T6154] bcachefs (loop0): done initializing freespace
[  183.888093][ T6154] bcachefs (loop0): reading snapshots table
[  183.894154][ T6154] bcachefs (loop0): reading snapshots done
[  183.906680][ T6154] bcachefs (loop0): done starting filesystem
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = 0
[pid  6153] <... futex resumed>)        = 1
[pid  6154] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6154] <... futex resumed>)        = 0
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6153] <... futex resumed>)        = 0
[pid  6154] creat(NULL, 000 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = 0
[pid  6153] <... futex resumed>)        = 1
[pid  6154] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... open resumed>)         = 5
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6153] <... futex resumed>)        = 0
[pid  6154] <... futex resumed>)        = 1
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6154] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... memfd_create resumed>) = 6
[pid  6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6154] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6154] munmap(0x7f53efc00000, 138412032) = 0
[pid  6154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6154] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6154] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6154] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6154] close(7)                    = 0
[pid  6154] close(6)                    = 0
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6154] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] ftruncate(5, 33587195)      = 0
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = 0
[pid  6153] <... futex resumed>)        = 1
[pid  6154] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6153] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6153] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6165 attached
 <unfinished ...>
[pid  6165] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6153] <... clone3 resumed> => {parent_tid=[6165]}, 88) = 6165
[pid  6153] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6165] <... rseq resumed>)         = 0
[pid  6153] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6165] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6153] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6165] <... set_robust_list resumed>) = 0
[pid  6153] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6165] ftruncate(5, 6 <unfinished ...>
[pid  6154] <... sendfile resumed>)     = 1835008
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6165] <... ftruncate resumed>)    = 0
[pid  6165] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6153] <... futex resumed>)        = 0
[pid  6165] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = 0
[pid  6153] <... futex resumed>)        = 1
[pid  6154] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6154] <... futex resumed>)        = 0
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6153] <... futex resumed>)        = 0
[pid  6154] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6154] <... futex resumed>)        = 0
[pid  6153] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6154] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6153] <... futex resumed>)        = 0
[pid  6154] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6153] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6154] <... futex resumed>)        = 0
[pid  6153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6154] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6153] exit_group(0 <unfinished ...>
[pid  6165] <... futex resumed>)        = ?
[pid  6154] <... futex resumed>)        = ?
[pid  6165] +++ exited with 0 +++
[pid  6154] +++ exited with 0 +++
[pid  6153] <... exit_group resumed>)   = ?
[pid  6153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./24", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./24/binderfs", MNT_FORCE|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
[  184.279669][ T5836] bcachefs (loop0): shutting down
[  184.284729][ T5836] bcachefs (loop0): going read-only
[  184.290159][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  184.297560][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 31
[  184.316461][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 33
[  184.326780][ T5836] bcachefs (loop0): shutdown complete, journal seq 34
[  184.334163][ T5836] bcachefs (loop0): marking filesystem clean
[  184.349111][ T5836] bcachefs (loop0): shutdown complete
umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./24/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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, child_tidptr=0x55556fcaf690) = 6166
./strace-static-x86_64: Process 6166 attached
[pid  6166] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6166] chdir("./25")               = 0
[pid  6166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6166] setpgid(0, 0)               = 0
[pid  6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6166] write(3, "1000", 4)         = 4
[pid  6166] close(3)                    = 0
[pid  6166] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6166] write(1, "executing program\n", 18executing program
) = 18
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6166] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6167 attached
 <unfinished ...>
[pid  6167] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6166] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167
[pid  6167] <... rseq resumed>)         = 0
[pid  6167] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6166] <... futex resumed>)        = 1
[pid  6167] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6167] <... memfd_create resumed>) = 3
[pid  6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6167] munmap(0x7f53efc00000, 138412032) = 0
[pid  6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6167] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6167] close(3)                    = 0
[pid  6167] close(4)                    = 0
[pid  6167] mkdir("./file1", 0777)      = 0
[  185.763377][ T6167] loop0: detected capacity change from 0 to 32768
[  185.828202][ T6167] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  185.844999][ T6167] bcachefs (loop0): initializing new filesystem
[  185.852083][ T6167] bcachefs (loop0): going read-write
[  185.858283][ T6167] bcachefs (loop0): marking superblocks
[  185.871740][ T6167] bcachefs (loop0): initializing freespace
[pid  6167] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6167] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6167] chdir("./file1")            = 0
[pid  6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  185.878558][ T6167] bcachefs (loop0): done initializing freespace
[  185.886574][ T6167] bcachefs (loop0): reading snapshots table
[  185.892530][ T6167] bcachefs (loop0): reading snapshots done
[  185.904550][ T6167] bcachefs (loop0): done starting filesystem
[pid  6167] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6167] close(4)                    = 0
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6167] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] <... futex resumed>)        = 1
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6166] <... futex resumed>)        = 1
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] <... openat resumed>)       = 4
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6167] <... futex resumed>)        = 1
[pid  6167] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6167] <... futex resumed>)        = 1
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] creat(NULL, 000 <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6167] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6167] <... futex resumed>)        = 0
[pid  6167] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6167] <... open resumed>)         = 5
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6166] <... futex resumed>)        = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6166] <... futex resumed>)        = 1
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6167] memfd_create("syzkaller", 0) = 6
[pid  6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6167] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6167] munmap(0x7f53efc00000, 138412032) = 0
[pid  6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6167] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6167] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6167] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6167] close(7)                    = 0
[pid  6167] close(6)                    = 0
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6167] ftruncate(5, 33587195)      = 0
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] <... futex resumed>)        = 0
[pid  6167] <... futex resumed>)        = 0
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6166] <... futex resumed>)        = 1
[pid  6167] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6166] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6166] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6178 attached
 <unfinished ...>
[pid  6178] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6166] <... clone3 resumed> => {parent_tid=[6178]}, 88) = 6178
[pid  6166] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6178] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6166] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6166] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6178] <... set_robust_list resumed>) = 0
[pid  6166] <... futex resumed>)        = 0
[pid  6178] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6166] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6178] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6178] ftruncate(5, 6 <unfinished ...>
[pid  6167] <... sendfile resumed>)     = 2883584
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6178] <... ftruncate resumed>)    = 0
[pid  6178] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6166] <... futex resumed>)        = 0
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6178] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6166] <... futex resumed>)        = 1
[pid  6167] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6167] <... futex resumed>)        = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6166] <... futex resumed>)        = 0
[pid  6167] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6166] <... futex resumed>)        = 0
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6166] <... futex resumed>)        = 0
[pid  6167] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6167] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6166] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6167] <... futex resumed>)        = 0
[pid  6166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6167] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6166] exit_group(0 <unfinished ...>
[pid  6178] <... futex resumed>)        = ?
[pid  6178] +++ exited with 0 +++
[pid  6167] <... futex resumed>)        = ?
[pid  6166] <... exit_group resumed>)   = ?
[pid  6167] +++ exited with 0 +++
[pid  6166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./25", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./25/binderfs", MNT_FORCE|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
[  186.319459][ T5836] bcachefs (loop0): shutting down
[  186.324531][ T5836] bcachefs (loop0): going read-only
[  186.329862][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  186.337243][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 47
[  186.359051][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 51
[  186.369497][ T5836] bcachefs (loop0): shutdown complete, journal seq 52
[  186.376976][ T5836] bcachefs (loop0): marking filesystem clean
[  186.392344][ T5836] bcachefs (loop0): shutdown complete
umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./25/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6179 attached
 <unfinished ...>
[pid  6179] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6179
[pid  6179] chdir("./26")               = 0
[pid  6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6179] setpgid(0, 0)               = 0
[pid  6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6179] write(3, "1000", 4)         = 4
[pid  6179] close(3)                    = 0
[pid  6179] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6179] write(1, "executing program\n", 18) = 18
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6179] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6179] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6180 attached
 <unfinished ...>
[pid  6180] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6179] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180
[pid  6180] <... rseq resumed>)         = 0
[pid  6180] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... futex resumed>)        = 0
[pid  6179] <... futex resumed>)        = 1
[pid  6180] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... memfd_create resumed>) = 3
[pid  6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6180] munmap(0x7f53efc00000, 138412032) = 0
[pid  6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6180] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6180] close(3)                    = 0
[pid  6180] close(4)                    = 0
[pid  6180] mkdir("./file1", 0777)      = 0
[  187.856990][ T6180] loop0: detected capacity change from 0 to 32768
[  187.920419][ T6180] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  187.937171][ T6180] bcachefs (loop0): initializing new filesystem
[  187.944246][ T6180] bcachefs (loop0): going read-write
[  187.950463][ T6180] bcachefs (loop0): marking superblocks
[  187.963724][ T6180] bcachefs (loop0): initializing freespace
[pid  6180] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6180] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6180] chdir("./file1")            = 0
[pid  6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6180] ioctl(4, LOOP_CLR_FD)       = 0
[  187.970688][ T6180] bcachefs (loop0): done initializing freespace
[  187.978801][ T6180] bcachefs (loop0): reading snapshots table
[  187.984755][ T6180] bcachefs (loop0): reading snapshots done
[  187.997275][ T6180] bcachefs (loop0): done starting filesystem
[pid  6180] close(4)                    = 0
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6180] <... futex resumed>)        = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... futex resumed>)        = 0
[pid  6179] <... futex resumed>)        = 1
[pid  6180] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... openat resumed>)       = 4
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] creat(NULL, 000 <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... futex resumed>)        = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6180] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... memfd_create resumed>) = 6
[pid  6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6180] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6180] munmap(0x7f53efc00000, 138412032) = 0
[pid  6180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6180] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6180] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6180] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6180] close(7)                    = 0
[pid  6180] close(6)                    = 0
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] ftruncate(5, 33587195 <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... ftruncate resumed>)    = 0
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6180] <... futex resumed>)        = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6180] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6179] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  6179] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6179] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6191 attached
 <unfinished ...>
[pid  6191] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6179] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191
[pid  6191] <... rseq resumed>)         = 0
[pid  6179] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6191] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6179] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6191] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6179] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6191] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6191] ftruncate(5, 6 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] <... sendfile resumed>)     = 1507328
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6191] <... ftruncate resumed>)    = 0
[pid  6191] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6191] <... futex resumed>)        = 1
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6191] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] <... futex resumed>)        = 1
[pid  6180] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... futex resumed>)        = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6179] <... futex resumed>)        = 0
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6180] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6179] <... futex resumed>)        = 0
[pid  6180] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6180] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6179] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6180] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6179] exit_group(0 <unfinished ...>
[pid  6191] <... futex resumed>)        = ?
[pid  6180] <... futex resumed>)        = ?
[pid  6179] <... exit_group resumed>)   = ?
[pid  6191] +++ exited with 0 +++
[pid  6180] +++ exited with 0 +++
[pid  6179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./26", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./26/binderfs", MNT_FORCE|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
[  188.448015][ T5836] bcachefs (loop0): shutting down
[  188.453071][ T5836] bcachefs (loop0): going read-only
[  188.458523][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  188.466089][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 26
[  188.485459][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 30
[  188.496594][ T5836] bcachefs (loop0): shutdown complete, journal seq 31
[  188.503968][ T5836] bcachefs (loop0): marking filesystem clean
[  188.519350][ T5836] bcachefs (loop0): shutdown complete
umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./26/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6192 attached
, child_tidptr=0x55556fcaf690) = 6192
[pid  6192] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6192] chdir("./27")               = 0
[pid  6192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6192] setpgid(0, 0)               = 0
[pid  6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6192] write(3, "1000", 4)         = 4
[pid  6192] close(3)                    = 0
executing program
[pid  6192] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6192] write(1, "executing program\n", 18) = 18
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6192] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6192] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6193 attached
 <unfinished ...>
[pid  6193] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6193] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6192] <... clone3 resumed> => {parent_tid=[6193]}, 88) = 6193
[pid  6193] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6192] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6193] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6192] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... memfd_create resumed>) = 3
[pid  6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6193] munmap(0x7f53efc00000, 138412032) = 0
[pid  6193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6193] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6193] close(3)                    = 0
[pid  6193] close(4)                    = 0
[pid  6193] mkdir("./file1", 0777)      = 0
[  189.925661][ T6193] loop0: detected capacity change from 0 to 32768
[  189.989194][ T6193] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  190.005981][ T6193] bcachefs (loop0): initializing new filesystem
[  190.013179][ T6193] bcachefs (loop0): going read-write
[  190.019857][ T6193] bcachefs (loop0): marking superblocks
[  190.033243][ T6193] bcachefs (loop0): initializing freespace
[pid  6193] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6193] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6193] chdir("./file1")            = 0
[pid  6193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6193] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6193] close(4)                    = 0
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6192] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] <... futex resumed>)        = 0
[pid  6193] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6192] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6193] <... openat resumed>)       = 4
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6193] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... futex resumed>)        = 0
[pid  6192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6193] creat(NULL, 000 <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6192] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... futex resumed>)        = 0
[pid  6192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6193] <... futex resumed>)        = 0
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = 0
[pid  6192] <... futex resumed>)        = 1
[pid  6193] memfd_create("syzkaller", 0 <unfinished ...>
[  190.040291][ T6193] bcachefs (loop0): done initializing freespace
[  190.048526][ T6193] bcachefs (loop0): reading snapshots table
[  190.054495][ T6193] bcachefs (loop0): reading snapshots done
[  190.066684][ T6193] bcachefs (loop0): done starting filesystem
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... memfd_create resumed>) = 6
[pid  6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6193] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6193] munmap(0x7f53efc00000, 138412032) = 0
[pid  6193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6193] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6193] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6193] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6193] close(7)                    = 0
[pid  6193] close(6)                    = 0
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6193] <... futex resumed>)        = 1
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] ftruncate(5, 33587195 <unfinished ...>
[pid  6192] <... futex resumed>)        = 0
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... ftruncate resumed>)    = 0
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6192] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] <... futex resumed>)        = 0
[pid  6193] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6192] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6192] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6204 attached
 <unfinished ...>
[pid  6204] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6192] <... clone3 resumed> => {parent_tid=[6204]}, 88) = 6204
[pid  6204] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6192] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6204] <... set_robust_list resumed>) = 0
[pid  6192] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6204] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6192] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6204] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6192] <... futex resumed>)        = 0
[pid  6204] ftruncate(5, 6 <unfinished ...>
[pid  6192] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] <... sendfile resumed>)     = 2949120
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6204] <... ftruncate resumed>)    = 0
[pid  6204] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6192] <... futex resumed>)        = 0
[pid  6204] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = 0
[pid  6193] write(-1, NULL, 0 <unfinished ...>
[pid  6192] <... futex resumed>)        = 1
[pid  6193] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6193] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] <... futex resumed>)        = 0
[pid  6193] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6193] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6192] <... futex resumed>)        = 0
[pid  6193] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6192] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6193] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6193] <... futex resumed>)        = 0
[pid  6193] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6192] exit_group(0 <unfinished ...>
[pid  6193] <... futex resumed>)        = ?
[pid  6193] +++ exited with 0 +++
[pid  6204] <... futex resumed>)        = ?
[pid  6204] +++ exited with 0 +++
[pid  6192] <... exit_group resumed>)   = ?
[pid  6192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6192, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} ---
umount2("./27", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./27/binderfs", MNT_FORCE|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
[  190.508766][ T5836] bcachefs (loop0): shutting down
[  190.513864][ T5836] bcachefs (loop0): going read-only
[  190.519314][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  190.526680][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 48
[  190.546192][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 50
[  190.556960][ T5836] bcachefs (loop0): shutdown complete, journal seq 51
[  190.564325][ T5836] bcachefs (loop0): marking filesystem clean
[  190.579533][ T5836] bcachefs (loop0): shutdown complete
umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./27/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6205 attached
, child_tidptr=0x55556fcaf690) = 6205
[pid  6205] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6205] chdir("./28")               = 0
[pid  6205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6205] setpgid(0, 0)               = 0
[pid  6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6205] write(3, "1000", 4)         = 4
[pid  6205] close(3)                    = 0
[pid  6205] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6205] write(1, "executing program\n", 18) = 18
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6205] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6205] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6206 attached
 <unfinished ...>
[pid  6206] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6205] <... clone3 resumed> => {parent_tid=[6206]}, 88) = 6206
[pid  6206] <... rseq resumed>)         = 0
[pid  6205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6206] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... set_robust_list resumed>) = 0
[pid  6205] <... futex resumed>)        = 0
[pid  6206] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6206] memfd_create("syzkaller", 0) = 3
[pid  6206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6206] munmap(0x7f53efc00000, 138412032) = 0
[pid  6206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6206] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6206] close(3)                    = 0
[pid  6206] close(4)                    = 0
[pid  6206] mkdir("./file1", 0777)      = 0
[  191.960645][ T6206] loop0: detected capacity change from 0 to 32768
[  192.022712][ T6206] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  192.039593][ T6206] bcachefs (loop0): initializing new filesystem
[  192.047013][ T6206] bcachefs (loop0): going read-write
[  192.053171][ T6206] bcachefs (loop0): marking superblocks
[  192.066361][ T6206] bcachefs (loop0): initializing freespace
[pid  6206] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6206] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6206] chdir("./file1")            = 0
[pid  6206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6206] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6206] close(4)                    = 0
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... futex resumed>)        = 0
[pid  6205] <... futex resumed>)        = 1
[pid  6206] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... futex resumed>)        = 0
[pid  6205] <... futex resumed>)        = 1
[pid  6206] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... openat resumed>)       = 4
[  192.073447][ T6206] bcachefs (loop0): done initializing freespace
[  192.081420][ T6206] bcachefs (loop0): reading snapshots table
[  192.087954][ T6206] bcachefs (loop0): reading snapshots done
[  192.100184][ T6206] bcachefs (loop0): done starting filesystem
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6205] <... futex resumed>)        = 0
[pid  6206] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6206] <... futex resumed>)        = 1
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] creat(NULL, 000 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6206] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6206] <... futex resumed>)        = 0
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6206] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... memfd_create resumed>) = 6
[pid  6206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6206] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6206] munmap(0x7f53efc00000, 138412032) = 0
[pid  6206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6206] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6206] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6206] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6206] close(7)                    = 0
[pid  6206] close(6)                    = 0
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6206] <... futex resumed>)        = 1
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] ftruncate(5, 33587195 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... ftruncate resumed>)    = 0
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6205] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6205] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6217 attached
 <unfinished ...>
[pid  6217] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6205] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217
[pid  6217] set_robust_list(0x7f53f81da9a0, 24) = 0
[pid  6217] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6205] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6217] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6205] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6217] ftruncate(5, 6 <unfinished ...>
[pid  6205] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6205] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... sendfile resumed>)     = 1769472
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6217] <... ftruncate resumed>)    = 0
[pid  6217] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6205] <... futex resumed>)        = 0
[pid  6217] <... futex resumed>)        = 1
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6217] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] <... futex resumed>)        = 1
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... futex resumed>)        = 0
[pid  6206] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... futex resumed>)        = 0
[pid  6205] <... futex resumed>)        = 1
[pid  6206] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6205] <... futex resumed>)        = 0
[pid  6206] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6205] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6206] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6205] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6205] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6206] <... futex resumed>)        = 0
[pid  6206] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6205] exit_group(0 <unfinished ...>
[pid  6206] <... futex resumed>)        = ?
[pid  6205] <... exit_group resumed>)   = ?
[pid  6206] +++ exited with 0 +++
[pid  6217] <... futex resumed>)        = ?
[pid  6217] +++ exited with 0 +++
[pid  6205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6205, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=33 /* 0.33 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./28", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./28/binderfs", MNT_FORCE|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
[  192.500668][ T5836] bcachefs (loop0): shutting down
[  192.505950][ T5836] bcachefs (loop0): going read-only
[  192.511165][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  192.519250][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 30
[  192.538147][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 32
[  192.548479][ T5836] bcachefs (loop0): shutdown complete, journal seq 33
[  192.555975][ T5836] bcachefs (loop0): marking filesystem clean
[  192.571355][ T5836] bcachefs (loop0): shutdown complete
umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./28/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6218 attached
, child_tidptr=0x55556fcaf690) = 6218
[pid  6218] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6218] chdir("./29")               = 0
[pid  6218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6218] setpgid(0, 0)               = 0
[pid  6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6218] write(3, "1000", 4)         = 4
[pid  6218] close(3)                    = 0
[pid  6218] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6218] write(1, "executing program\n", 18executing program
) = 18
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6218] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6218] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6219 attached
 <unfinished ...>
[pid  6219] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6218] <... clone3 resumed> => {parent_tid=[6219]}, 88) = 6219
[pid  6219] <... rseq resumed>)         = 0
[pid  6218] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6219] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6218] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6219] <... set_robust_list resumed>) = 0
[pid  6219] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6219] memfd_create("syzkaller", 0) = 3
[pid  6219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6219] munmap(0x7f53efc00000, 138412032) = 0
[pid  6219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6219] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6219] close(3)                    = 0
[pid  6219] close(4)                    = 0
[pid  6219] mkdir("./file1", 0777)      = 0
[  193.962435][ T6219] loop0: detected capacity change from 0 to 32768
[  194.025107][ T6219] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  194.042190][ T6219] bcachefs (loop0): initializing new filesystem
[  194.049929][ T6219] bcachefs (loop0): going read-write
[  194.056157][ T6219] bcachefs (loop0): marking superblocks
[  194.069459][ T6219] bcachefs (loop0): initializing freespace
[pid  6219] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6219] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6219] chdir("./file1")            = 0
[pid  6219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  194.076291][ T6219] bcachefs (loop0): done initializing freespace
[  194.083871][ T6219] bcachefs (loop0): reading snapshots table
[  194.089958][ T6219] bcachefs (loop0): reading snapshots done
[  194.102246][ T6219] bcachefs (loop0): done starting filesystem
[pid  6219] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6219] close(4)                    = 0
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6219] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... futex resumed>)        = 0
[pid  6218] <... futex resumed>)        = 1
[pid  6219] lseek(-1, 32767, SEEK_SET)  = -1 EBADF (Bad file descriptor)
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6219] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... openat resumed>)       = 4
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6219] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... futex resumed>)        = 0
[pid  6218] <... futex resumed>)        = 0
[pid  6219] creat(NULL, 000 <unfinished ...>
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6219] <... futex resumed>)        = 1
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... open resumed>)         = 5
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6218] <... futex resumed>)        = 0
[pid  6219] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6219] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6219] memfd_create("syzkaller", 0) = 6
[pid  6219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6219] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6219] munmap(0x7f53efc00000, 138412032) = 0
[pid  6219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6219] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6219] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6219] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6219] close(7)                    = 0
[pid  6219] close(6)                    = 0
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] ftruncate(5, 33587195 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... ftruncate resumed>)    = 0
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6219] <... futex resumed>)        = 1
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6218] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6218] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6230 attached
 <unfinished ...>
[pid  6230] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6218] <... clone3 resumed> => {parent_tid=[6230]}, 88) = 6230
[pid  6230] <... rseq resumed>)         = 0
[pid  6230] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6218] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6230] <... set_robust_list resumed>) = 0
[pid  6218] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6218] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6230] ftruncate(5, 6 <unfinished ...>
[pid  6218] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... sendfile resumed>)     = 2490368
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6230] <... ftruncate resumed>)    = 0
[pid  6219] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6230] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6218] <... futex resumed>)        = 0
[pid  6230] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... futex resumed>)        = 0
[pid  6218] <... futex resumed>)        = 1
[pid  6219] write(-1, NULL, 0 <unfinished ...>
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6219] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] <... futex resumed>)        = 0
[pid  6218] <... futex resumed>)        = 1
[pid  6219] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6219] <... futex resumed>)        = 0
[pid  6218] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6219] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6218] <... futex resumed>)        = 0
[pid  6219] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6218] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6219] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6218] exit_group(0)               = ?
[pid  6230] <... futex resumed>)        = ?
[pid  6230] +++ exited with 0 +++
[pid  6219] +++ exited with 0 +++
[pid  6218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./29", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./29/binderfs", MNT_FORCE|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
[  194.557264][ T5836] bcachefs (loop0): shutting down
[  194.562350][ T5836] bcachefs (loop0): going read-only
[  194.567757][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  194.575558][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 41
[  194.595065][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 44
[  194.605819][ T5836] bcachefs (loop0): shutdown complete, journal seq 45
[  194.613205][ T5836] bcachefs (loop0): marking filesystem clean
[  194.628418][ T5836] bcachefs (loop0): shutdown complete
umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./29/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6231 attached
, child_tidptr=0x55556fcaf690) = 6231
[pid  6231] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6231] chdir("./30")               = 0
[pid  6231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6231] setpgid(0, 0)               = 0
[pid  6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6231] write(3, "1000", 4)         = 4
[pid  6231] close(3)                    = 0
[pid  6231] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6231] write(1, "executing program\n", 18executing program
) = 18
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6231] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6231] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6232 attached
 <unfinished ...>
[pid  6232] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6231] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232
[pid  6232] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6231] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6232] <... set_robust_list resumed>) = 0
[pid  6231] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6232] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6231] <... futex resumed>)        = 0
[pid  6232] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... memfd_create resumed>) = 3
[pid  6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6232] munmap(0x7f53efc00000, 138412032) = 0
[pid  6232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6232] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6232] close(3)                    = 0
[pid  6232] close(4)                    = 0
[pid  6232] mkdir("./file1", 0777)      = 0
[  195.956892][ T6232] loop0: detected capacity change from 0 to 32768
[  196.020530][ T6232] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  196.037504][ T6232] bcachefs (loop0): initializing new filesystem
[  196.045166][ T6232] bcachefs (loop0): going read-write
[  196.051201][ T6232] bcachefs (loop0): marking superblocks
[  196.063977][ T6232] bcachefs (loop0): initializing freespace
[pid  6232] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6232] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6232] chdir("./file1")            = 0
[pid  6232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6232] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6232] close(4)                    = 0
[  196.070920][ T6232] bcachefs (loop0): done initializing freespace
[  196.079435][ T6232] bcachefs (loop0): reading snapshots table
[  196.085606][ T6232] bcachefs (loop0): reading snapshots done
[  196.097986][ T6232] bcachefs (loop0): done starting filesystem
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... futex resumed>)        = 1
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6232] <... futex resumed>)        = 0
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... openat resumed>)       = 4
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6231] <... futex resumed>)        = 0
[pid  6232] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... futex resumed>)        = 1
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] creat(NULL, 000 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6232] <... futex resumed>)        = 0
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... open resumed>)         = 5
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6231] <... futex resumed>)        = 0
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6232] memfd_create("syzkaller", 0) = 6
[pid  6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6232] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6232] munmap(0x7f53efc00000, 138412032) = 0
[pid  6232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6232] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6232] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6232] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6232] close(7)                    = 0
[pid  6232] close(6)                    = 0
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] ftruncate(5, 33587195)      = 0
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] <... futex resumed>)        = 0
[pid  6232] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... futex resumed>)        = 0
[pid  6231] <... futex resumed>)        = 1
[pid  6232] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6231] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6231] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6243 attached
 => {parent_tid=[6243]}, 88) = 6243
[pid  6243] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6231] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6243] <... rseq resumed>)         = 0
[pid  6243] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6231] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6231] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6243] <... set_robust_list resumed>) = 0
[pid  6231] <... futex resumed>)        = 0
[pid  6243] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6231] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6243] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6243] ftruncate(5, 6 <unfinished ...>
[pid  6232] <... sendfile resumed>)     = 2228224
[pid  6243] <... ftruncate resumed>)    = 0
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6243] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6243] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... futex resumed>)        = 0
[pid  6231] <... futex resumed>)        = 1
[pid  6232] write(-1, NULL, 0 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6232] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... futex resumed>)        = 0
[pid  6231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6232] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6231] <... futex resumed>)        = 0
[pid  6232] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6231] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6232] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6232] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6231] <... futex resumed>)        = 0
[pid  6232] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6231] exit_group(0 <unfinished ...>
[pid  6243] <... futex resumed>)        = ?
[pid  6243] +++ exited with 0 +++
[pid  6232] <... futex resumed>)        = ?
[pid  6232] +++ exited with 0 +++
[pid  6231] <... exit_group resumed>)   = ?
[pid  6231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6231, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./30", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./30/binderfs", MNT_FORCE|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
[  196.568517][ T5836] bcachefs (loop0): shutting down
[  196.573581][ T5836] bcachefs (loop0): going read-only
[  196.579040][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  196.586530][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 37
[  196.607433][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 40
[  196.618153][ T5836] bcachefs (loop0): shutdown complete, journal seq 41
[  196.625872][ T5836] bcachefs (loop0): marking filesystem clean
[  196.640493][ T5836] bcachefs (loop0): shutdown complete
umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./30/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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./strace-static-x86_64: Process 6244 attached
 <unfinished ...>
[pid  6244] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6244
[pid  6244] <... set_robust_list resumed>) = 0
[pid  6244] chdir("./31")               = 0
[pid  6244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6244] setpgid(0, 0)               = 0
[pid  6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6244] write(3, "1000", 4)         = 4
[pid  6244] close(3)                    = 0
[pid  6244] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6244] write(1, "executing program\n", 18executing program
) = 18
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6244] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6244] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6245 attached
 <unfinished ...>
[pid  6245] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6245] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6245] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6244] <... clone3 resumed> => {parent_tid=[6245]}, 88) = 6245
[pid  6245] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6244] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = 0
[pid  6244] <... futex resumed>)        = 1
[pid  6245] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... memfd_create resumed>) = 3
[pid  6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6245] munmap(0x7f53efc00000, 138412032) = 0
[pid  6245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6245] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6245] close(3)                    = 0
[pid  6245] close(4)                    = 0
[pid  6245] mkdir("./file1", 0777)      = 0
[  198.001868][ T6245] loop0: detected capacity change from 0 to 32768
[  198.065874][ T6245] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  198.082341][ T6245] bcachefs (loop0): initializing new filesystem
[  198.089580][ T6245] bcachefs (loop0): going read-write
[  198.095611][ T6245] bcachefs (loop0): marking superblocks
[  198.109084][ T6245] bcachefs (loop0): initializing freespace
[pid  6245] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6245] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6245] chdir("./file1")            = 0
[pid  6245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6245] ioctl(4, LOOP_CLR_FD)       = 0
[  198.116102][ T6245] bcachefs (loop0): done initializing freespace
[  198.124392][ T6245] bcachefs (loop0): reading snapshots table
[  198.130440][ T6245] bcachefs (loop0): reading snapshots done
[  198.142287][ T6245] bcachefs (loop0): done starting filesystem
[pid  6245] close(4)                    = 0
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] <... futex resumed>)        = 0
[pid  6245] <... futex resumed>)        = 1
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6244] <... futex resumed>)        = 0
[pid  6245] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... openat resumed>)       = 4
[pid  6244] <... futex resumed>)        = 0
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6245] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6244] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... futex resumed>)        = 0
[pid  6244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6244] <... futex resumed>)        = 0
[pid  6245] creat(NULL, 000 <unfinished ...>
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] <... futex resumed>)        = 0
[pid  6245] <... futex resumed>)        = 1
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6244] <... futex resumed>)        = 0
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... open resumed>)         = 5
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6244] <... futex resumed>)        = 0
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6245] memfd_create("syzkaller", 0) = 6
[pid  6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6245] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6245] munmap(0x7f53efc00000, 138412032) = 0
[pid  6245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6245] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6245] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6245] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6245] close(7)                    = 0
[pid  6245] close(6)                    = 0
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = 0
[pid  6244] <... futex resumed>)        = 1
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] ftruncate(5, 33587195)      = 0
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = 0
[pid  6244] <... futex resumed>)        = 1
[pid  6245] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6244] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6244] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6256 attached
 <unfinished ...>
[pid  6256] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6244] <... clone3 resumed> => {parent_tid=[6256]}, 88) = 6256
[pid  6256] <... rseq resumed>)         = 0
[pid  6256] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6244] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6256] <... set_robust_list resumed>) = 0
[pid  6244] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6256] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6244] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6256] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6244] <... futex resumed>)        = 0
[pid  6256] ftruncate(5, 6 <unfinished ...>
[pid  6244] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... sendfile resumed>)     = 1769472
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6256] <... ftruncate resumed>)    = 0
[pid  6256] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6244] <... futex resumed>)        = 0
[pid  6256] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = 0
[pid  6245] write(-1, NULL, 0 <unfinished ...>
[pid  6244] <... futex resumed>)        = 1
[pid  6245] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6245] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6244] <... futex resumed>)        = 0
[pid  6245] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6245] <... futex resumed>)        = 0
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6244] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6244] <... futex resumed>)        = 0
[pid  6245] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6244] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6245] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6245] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6245] <... futex resumed>)        = 0
[pid  6244] exit_group(0 <unfinished ...>
[pid  6245] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6256] <... futex resumed>)        = ?
[pid  6245] <... futex resumed>)        = ?
[pid  6244] <... exit_group resumed>)   = ?
[pid  6256] +++ exited with 0 +++
[pid  6245] +++ exited with 0 +++
[pid  6244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6244, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./31", MNT_FORCE|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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./31/binderfs", MNT_FORCE|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
[  198.607819][ T5836] bcachefs (loop0): shutting down
[  198.612879][ T5836] bcachefs (loop0): going read-only
[  198.618356][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  198.625851][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 30
[  198.645760][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 33
[  198.656235][ T5836] bcachefs (loop0): shutdown complete, journal seq 34
[  198.663611][ T5836] bcachefs (loop0): marking filesystem clean
[  198.678237][ T5836] bcachefs (loop0): shutdown complete
umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./31/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 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 6257 attached
 <unfinished ...>
[pid  6257] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6257
[pid  6257] <... set_robust_list resumed>) = 0
[pid  6257] chdir("./32")               = 0
[pid  6257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6257] setpgid(0, 0)               = 0
[pid  6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6257] write(3, "1000", 4)         = 4
[pid  6257] close(3)                    = 0
[pid  6257] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6257] write(1, "executing program\n", 18executing program
) = 18
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6257] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6257] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6258 attached
 <unfinished ...>
[pid  6258] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6257] <... clone3 resumed> => {parent_tid=[6258]}, 88) = 6258
[pid  6258] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6257] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6258] <... set_robust_list resumed>) = 0
[pid  6257] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6257] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6258] <... memfd_create resumed>) = 3
[pid  6258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6258] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6258] munmap(0x7f53efc00000, 138412032) = 0
[pid  6258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6258] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6258] close(3)                    = 0
[pid  6258] close(4)                    = 0
[pid  6258] mkdir("./file1", 0777)      = 0
[  200.032888][ T6258] loop0: detected capacity change from 0 to 32768
[  200.096907][ T6258] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  200.113696][ T6258] bcachefs (loop0): initializing new filesystem
[  200.120975][ T6258] bcachefs (loop0): going read-write
[  200.127233][ T6258] bcachefs (loop0): marking superblocks
[  200.140237][ T6258] bcachefs (loop0): initializing freespace
[pid  6258] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6258] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6258] chdir("./file1")            = 0
[pid  6258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6258] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6258] close(4)                    = 0
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6257] <... futex resumed>)        = 0
[pid  6258] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] <... futex resumed>)        = 0
[pid  6258] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[  200.147074][ T6258] bcachefs (loop0): done initializing freespace
[  200.155903][ T6258] bcachefs (loop0): reading snapshots table
[  200.161880][ T6258] bcachefs (loop0): reading snapshots done
[  200.174282][ T6258] bcachefs (loop0): done starting filesystem
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] <... openat resumed>)       = 4
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6257] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6257] <... futex resumed>)        = 0
[pid  6258] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6258] creat(NULL, 000 <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6257] <... futex resumed>)        = 0
[pid  6258] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6257] <... futex resumed>)        = 1
[pid  6258] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] <... open resumed>)         = 5
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6257] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6258] memfd_create("syzkaller", 0) = 6
[pid  6258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6258] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6258] munmap(0x7f53efc00000, 138412032) = 0
[pid  6258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6258] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6258] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6258] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6258] close(7)                    = 0
[pid  6258] close(6)                    = 0
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6258] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] ftruncate(5, 33587195)      = 0
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6258] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6257] <... futex resumed>)        = 1
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6257] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6257] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6269 attached
 <unfinished ...>
[pid  6269] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6257] <... clone3 resumed> => {parent_tid=[6269]}, 88) = 6269
[pid  6269] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6257] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6269] <... set_robust_list resumed>) = 0
[pid  6257] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6269] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6257] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6269] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6257] <... futex resumed>)        = 0
[pid  6269] ftruncate(5, 6 <unfinished ...>
[pid  6257] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6269] <... ftruncate resumed>)    = 0
[pid  6258] <... sendfile resumed>)     = 1572864
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6269] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6269] <... futex resumed>)        = 1
[pid  6257] <... futex resumed>)        = 0
[pid  6269] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6257] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6257] <... futex resumed>)        = 1
[pid  6258] write(-1, "0x0000000000000009", 18) = -1 EBADF (Bad file descriptor)
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6258] <... futex resumed>)        = 0
[pid  6257] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6258] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2) = -1 EBADF (Bad file descriptor)
[pid  6257] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6257] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6258] <... futex resumed>)        = 0
[pid  6258] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6257] exit_group(0 <unfinished ...>
[pid  6269] <... futex resumed>)        = ?
[pid  6258] <... futex resumed>)        = ?
[pid  6257] <... exit_group resumed>)   = ?
[pid  6258] +++ exited with 0 +++
[pid  6269] +++ exited with 0 +++
[pid  6257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6257, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./32", 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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./32/binderfs")                 = 0
[  200.627402][ T5836] bcachefs (loop0): shutting down
[  200.632468][ T5836] bcachefs (loop0): going read-only
[  200.637978][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  200.645659][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 27
[  200.664622][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 29
[  200.675278][ T5836] bcachefs (loop0): shutdown complete, journal seq 30
[  200.682658][ T5836] bcachefs (loop0): marking filesystem clean
[  200.697685][ T5836] bcachefs (loop0): shutdown complete
umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./32/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./32/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./32/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./32")                           = 0
mkdir("./33", 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 6270 attached
, child_tidptr=0x55556fcaf690) = 6270
[pid  6270] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6270] chdir("./33")               = 0
[pid  6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6270] setpgid(0, 0)               = 0
[pid  6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6270] write(3, "1000", 4)         = 4
[pid  6270] close(3)                    = 0
[pid  6270] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6270] write(1, "executing program\n", 18) = 18
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6270] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6270] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6271 attached
 <unfinished ...>
[pid  6271] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6270] <... clone3 resumed> => {parent_tid=[6271]}, 88) = 6271
[pid  6271] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6270] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6271] <... set_robust_list resumed>) = 0
[pid  6270] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6271] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6270] <... futex resumed>)        = 0
[pid  6271] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... memfd_create resumed>) = 3
[pid  6271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6271] munmap(0x7f53efc00000, 138412032) = 0
[pid  6271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6271] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6271] close(3)                    = 0
[pid  6271] close(4)                    = 0
[pid  6271] mkdir("./file1", 0777)      = 0
[  202.101548][ T6271] loop0: detected capacity change from 0 to 32768
[  202.164395][ T6271] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  202.181044][ T6271] bcachefs (loop0): initializing new filesystem
[  202.188324][ T6271] bcachefs (loop0): going read-write
[  202.194099][ T6271] bcachefs (loop0): marking superblocks
[  202.207231][ T6271] bcachefs (loop0): initializing freespace
[pid  6271] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6271] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6271] chdir("./file1")            = 0
[pid  6271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6271] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6271] close(4)                    = 0
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = 0
[pid  6270] <... futex resumed>)        = 1
[pid  6271] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[  202.213998][ T6271] bcachefs (loop0): done initializing freespace
[  202.222045][ T6271] bcachefs (loop0): reading snapshots table
[  202.228164][ T6271] bcachefs (loop0): reading snapshots done
[  202.240756][ T6271] bcachefs (loop0): done starting filesystem
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6270] <... futex resumed>)        = 0
[pid  6271] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... openat resumed>)       = 4
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = 0
[pid  6270] <... futex resumed>)        = 1
[pid  6271] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6271] <... futex resumed>)        = 0
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6270] <... futex resumed>)        = 0
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... open resumed>)         = 5
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6270] <... futex resumed>)        = 0
[pid  6271] <... futex resumed>)        = 1
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6271] memfd_create("syzkaller", 0) = 6
[pid  6271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6271] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6271] munmap(0x7f53efc00000, 138412032) = 0
[pid  6271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6271] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6271] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6271] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6271] close(7)                    = 0
[pid  6271] close(6)                    = 0
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = 0
[pid  6271] ftruncate(5, 33587195 <unfinished ...>
[pid  6270] <... futex resumed>)        = 1
[pid  6271] <... ftruncate resumed>)    = 0
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6270] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6270] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6282 attached
 <unfinished ...>
[pid  6282] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6270] <... clone3 resumed> => {parent_tid=[6282]}, 88) = 6282
[pid  6282] <... rseq resumed>)         = 0
[pid  6270] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6282] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6270] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6282] <... set_robust_list resumed>) = 0
[pid  6270] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6282] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6270] <... futex resumed>)        = 0
[pid  6282] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6270] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6282] ftruncate(5, 6 <unfinished ...>
[pid  6271] <... sendfile resumed>)     = 1966080
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6282] <... ftruncate resumed>)    = 0
[pid  6282] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6282] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = 0
[pid  6270] <... futex resumed>)        = 1
[pid  6271] write(-1, NULL, 0 <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] <... futex resumed>)        = 0
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = 0
[pid  6270] <... futex resumed>)        = 1
[pid  6271] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6270] <... futex resumed>)        = 0
[pid  6271] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6270] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6271] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6271] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6270] <... futex resumed>)        = 0
[pid  6271] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6270] exit_group(0 <unfinished ...>
[pid  6271] <... futex resumed>)        = ?
[pid  6282] <... futex resumed>)        = ?
[pid  6271] +++ exited with 0 +++
[pid  6270] <... exit_group resumed>)   = ?
[pid  6282] +++ exited with 0 +++
[pid  6270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./33", 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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./33/binderfs")                 = 0
[  202.697975][ T5836] bcachefs (loop0): shutting down
[  202.703049][ T5836] bcachefs (loop0): going read-only
[  202.708545][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  202.716142][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 33
[  202.735971][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 36
[  202.746453][ T5836] bcachefs (loop0): shutdown complete, journal seq 37
[  202.753826][ T5836] bcachefs (loop0): marking filesystem clean
[  202.768530][ T5836] bcachefs (loop0): shutdown complete
umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./33/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./33/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./33/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./33")                           = 0
mkdir("./34", 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 6283 attached
 <unfinished ...>
[pid  6283] set_robust_list(0x55556fcaf6a0, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6283
[pid  6283] <... set_robust_list resumed>) = 0
[pid  6283] chdir("./34")               = 0
[pid  6283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6283] setpgid(0, 0)               = 0
[pid  6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6283] write(3, "1000", 4)         = 4
[pid  6283] close(3)                    = 0
[pid  6283] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6283] write(1, "executing program\n", 18executing program
) = 18
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6283] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6283] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6284 attached
 <unfinished ...>
[pid  6284] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053) = 0
[pid  6283] <... clone3 resumed> => {parent_tid=[6284]}, 88) = 6284
[pid  6284] set_robust_list(0x7f53f81fb9a0, 24 <unfinished ...>
[pid  6283] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6284] <... set_robust_list resumed>) = 0
[pid  6283] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6284] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6283] <... futex resumed>)        = 0
[pid  6284] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... memfd_create resumed>) = 3
[pid  6284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6284] munmap(0x7f53efc00000, 138412032) = 0
[pid  6284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6284] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6284] close(3)                    = 0
[pid  6284] close(4)                    = 0
[pid  6284] mkdir("./file1", 0777)      = 0
[  204.108665][ T6284] loop0: detected capacity change from 0 to 32768
[  204.171758][ T6284] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  204.188461][ T6284] bcachefs (loop0): initializing new filesystem
[  204.195719][ T6284] bcachefs (loop0): going read-write
[  204.201722][ T6284] bcachefs (loop0): marking superblocks
[  204.215972][ T6284] bcachefs (loop0): initializing freespace
[pid  6284] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6284] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6284] chdir("./file1")            = 0
[pid  6284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6284] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6284] close(4)                    = 0
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6283] <... futex resumed>)        = 0
[pid  6284] <... futex resumed>)        = 1
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6283] <... futex resumed>)        = 0
[pid  6284] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... openat resumed>)       = 4
[pid  6283] <... futex resumed>)        = 0
[  204.223167][ T6284] bcachefs (loop0): done initializing freespace
[  204.230939][ T6284] bcachefs (loop0): reading snapshots table
[  204.236980][ T6284] bcachefs (loop0): reading snapshots done
[  204.248844][ T6284] bcachefs (loop0): done starting filesystem
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] <... futex resumed>)        = 0
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = 0
[pid  6283] <... futex resumed>)        = 1
[pid  6284] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... ioctl resumed>)        = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6283] <... futex resumed>)        = 0
[pid  6284] creat(NULL, 000 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... creat resumed>)        = -1 EFAULT (Bad address)
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6283] <... futex resumed>)        = 0
[pid  6284] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... open resumed>)         = 5
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6283] <... futex resumed>)        = 0
[pid  6284] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... memfd_create resumed>) = 6
[pid  6284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6284] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6284] munmap(0x7f53efc00000, 138412032) = 0
[pid  6284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6284] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6284] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6284] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6284] close(7)                    = 0
[pid  6284] close(6)                    = 0
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] ftruncate(5, 33587195 <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... ftruncate resumed>)    = 0
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6283] <... futex resumed>)        = 0
[pid  6284] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6283] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6283] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6295 attached
 <unfinished ...>
[pid  6295] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053) = 0
[pid  6283] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295
[pid  6295] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6283] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6295] <... set_robust_list resumed>) = 0
[pid  6295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6295] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6283] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6283] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6295] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6295] ftruncate(5, 6 <unfinished ...>
[pid  6284] <... sendfile resumed>)     = 2818048
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6295] <... ftruncate resumed>)    = 0
[pid  6295] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6283] <... futex resumed>)        = 0
[pid  6295] futex(0x7f53f82f16d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = 0
[pid  6283] <... futex resumed>)        = 1
[pid  6284] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... futex resumed>)        = 0
[pid  6283] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6283] <... futex resumed>)        = 0
[pid  6284] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6283] <... futex resumed>)        = 0
[pid  6284] <... futex resumed>)        = 1
[pid  6283] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6284] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6283] <... futex resumed>)        = 0
[pid  6284] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6283] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6284] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6283] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6284] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6283] exit_group(0 <unfinished ...>
[pid  6295] <... futex resumed>)        = ?
[pid  6284] <... futex resumed>)        = ?
[pid  6295] +++ exited with 0 +++
[pid  6284] +++ exited with 0 +++
[pid  6283] <... exit_group resumed>)   = ?
[pid  6283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6283, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./34", 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, 0x55556fcb0730 /* 4 entries */, 32768) = 112
umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./34/binderfs")                 = 0
[  204.696393][ T5836] bcachefs (loop0): shutting down
[  204.701453][ T5836] bcachefs (loop0): going read-only
[  204.706868][ T5836] bcachefs (loop0): finished waiting for writes to stop
[  204.714250][ T5836] bcachefs (loop0): flushing journal and stopping allocators, journal seq 46
[  204.733593][ T5836] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 48
[  204.743896][ T5836] bcachefs (loop0): shutdown complete, journal seq 49
[  204.751598][ T5836] bcachefs (loop0): marking filesystem clean
[  204.766286][ T5836] bcachefs (loop0): shutdown complete
umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./34/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./34/file1", 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, 0x55556fcb8770 /* 2 entries */, 32768) = 48
getdents64(4, 0x55556fcb8770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./34/file1")                     = 0
getdents64(3, 0x55556fcb0730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./34")                           = 0
mkdir("./35", 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 6296 attached
 <unfinished ...>
[pid  6296] set_robust_list(0x55556fcaf6a0, 24) = 0
[pid  6296] chdir("./35")               = 0
[pid  6296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6296] setpgid(0, 0 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55556fcaf690) = 6296
[pid  6296] <... setpgid resumed>)      = 0
[pid  6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6296] write(3, "1000", 4)         = 4
[pid  6296] close(3)                    = 0
[pid  6296] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6296] write(1, "executing program\n", 18) = 18
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6296] rt_sigaction(SIGRT_1, {sa_handler=0x7f53f826b3b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53f825c560}, NULL, 8) = 0
[pid  6296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81db000
[pid  6296] mprotect(0x7f53f81dc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81fb990, parent_tid=0x7f53f81fb990, exit_signal=0, stack=0x7f53f81db000, stack_size=0x20300, tls=0x7f53f81fb6c0}./strace-static-x86_64: Process 6297 attached
 <unfinished ...>
[pid  6297] rseq(0x7f53f81fbfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6296] <... clone3 resumed> => {parent_tid=[6297]}, 88) = 6297
[pid  6297] <... rseq resumed>)         = 0
[pid  6297] set_robust_list(0x7f53f81fb9a0, 24) = 0
[pid  6297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] <... futex resumed>)        = 0
[pid  6296] <... futex resumed>)        = 1
[pid  6297] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... memfd_create resumed>) = 3
[pid  6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53efc00000
[pid  6297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  6297] munmap(0x7f53efc00000, 138412032) = 0
[pid  6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6297] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6297] close(3)                    = 0
[pid  6297] close(4)                    = 0
[pid  6297] mkdir("./file1", 0777)      = 0
[  206.112803][ T6297] loop0: detected capacity change from 0 to 32768
[  206.188049][ T6297] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[  206.204519][ T6297] bcachefs (loop0): initializing new filesystem
[  206.211805][ T6297] bcachefs (loop0): going read-write
[  206.217724][ T6297] bcachefs (loop0): marking superblocks
[  206.230818][ T6297] bcachefs (loop0): initializing freespace
[pid  6297] mount("/dev/loop0", "./file1", "bcachefs", MS_SYNCHRONOUS, "") = 0
[pid  6297] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  6297] chdir("./file1")            = 0
[pid  6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6297] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6297] close(4)                    = 0
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6296] <... futex resumed>)        = 0
[pid  6297] lseek(-1, 32767, SEEK_SET <unfinished ...>
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... lseek resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6297] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 0502 <unfinished ...>
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... openat resumed>)       = 4
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] ioctl(4, _IOC(_IOC_WRITE, 0x66, 0x10, 0x8), 0x20000ec0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid  6296] <... futex resumed>)        = 0
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6297] <... futex resumed>)        = 0
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] creat(NULL, 000)            = -1 EFAULT (Bad address)
[pid  6296] <... futex resumed>)        = 0
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... futex resumed>)        = 0
[pid  6296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  6296] <... futex resumed>)        = 0
[pid  6297] <... open resumed>)         = 5
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] memfd_create("syzkaller", 0) = 6
[pid  6296] <... futex resumed>)        = 0
[pid  6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... mmap resumed>)         = 0x7f53efc00000
[  206.237639][ T6297] bcachefs (loop0): done initializing freespace
[  206.246520][ T6297] bcachefs (loop0): reading snapshots table
[  206.252472][ T6297] bcachefs (loop0): reading snapshots done
[  206.264475][ T6297] bcachefs (loop0): done starting filesystem
[pid  6297] write(6, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  6297] munmap(0x7f53efc00000, 138412032) = 0
[pid  6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
[pid  6297] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6297] ioctl(7, LOOP_CLR_FD)       = 0
[pid  6297] ioctl(7, LOOP_SET_FD, 6)    = -1 EBUSY (Device or resource busy)
[pid  6297] close(7)                    = 0
[pid  6297] close(6)                    = 0
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] <... futex resumed>)        = 0
[pid  6296] <... futex resumed>)        = 1
[pid  6297] ftruncate(5, 33587195 <unfinished ...>
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6297] <... ftruncate resumed>)    = 0
[pid  6297] futex(0x7f53f82f16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6297] futex(0x7f53f82f16c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  6296] futex(0x7f53f82f16c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6297] sendfile(5, 5, NULL, 281474978811909 <unfinished ...>
[pid  6296] <... futex resumed>)        = 0
[pid  6296] futex(0x7f53f82f16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6296] futex(0x7f53f82f16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f81ba000
[pid  6296] mprotect(0x7f53f81bb000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81da990, parent_tid=0x7f53f81da990, exit_signal=0, stack=0x7f53f81ba000, stack_size=0x20300, tls=0x7f53f81da6c0}./strace-static-x86_64: Process 6308 attached
 <unfinished ...>
[pid  6308] rseq(0x7f53f81dafe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6296] <... clone3 resumed> => {parent_tid=[6308]}, 88) = 6308
[pid  6308] <... rseq resumed>)         = 0
[pid  6296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6308] set_robust_list(0x7f53f81da9a0, 24 <unfinished ...>
[pid  6296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6308] <... set_robust_list resumed>) = 0
[pid  6296] futex(0x7f53f82f16d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6308] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6296] <... futex resumed>)        = 0
[pid  6308] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6308] ftruncate(5, 6 <unfinished ...>
[pid  6296] futex(0x7f53f82f16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  6296] futex(0x7f53f82f16ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53f8199000
[pid  6296] mprotect(0x7f53f819a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53f81b9990, parent_tid=0x7f53f81b9990, exit_signal=0, stack=0x7f53f8199000, stack_size=0x20300, tls=0x7f53f81b96c0}./strace-static-x86_64: Process 6309 attached
 <unfinished ...>
[pid  6309] rseq(0x7f53f81b9fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  6296] <... clone3 resumed> => {parent_tid=[6309]}, 88) = 6309
[pid  6309] <... rseq resumed>)         = 0
[pid  6296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6309] set_robust_list(0x7f53f81b99a0, 24) = 0
[pid  6296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6309] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  6296] futex(0x7f53f82f16e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6309] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  6296] <... futex resumed>)        = 0
[pid  6309] write(-1, NULL, 0 <unfinished ...>
[pid  6296] futex(0x7f53f82f16ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6309] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] futex(0x7f53f82f16ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  6296] <... futex resumed>)        = 0
[pid  6309] futex(0x7f53f82f16e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6296] futex(0x7f53f82f16e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6309] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6296] <... futex resumed>)        = 0
[pid  6309] write(-1, "0x0000000000000009", 18 <unfinished ...>
[pid  6296] futex(0x7f53f82f16ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6309] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] futex(0x7f53f82f16ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6296] <... futex resumed>)        = 0
[pid  6309] <... futex resumed>)        = 1
[pid  6296] futex(0x7f53f82f16e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6309] fallocate(-1, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 2 <unfinished ...>
[pid  6296] <... futex resumed>)        = 0
[pid  6309] <... fallocate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  6296] futex(0x7f53f82f16ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  6309] futex(0x7f53f82f16ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  6296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  6309] <... futex resumed>)        = 0
[pid  6309] futex(0x7f53f82f16e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  6296] exit_group(0 <unfinished ...>
[pid  6309] <... futex resumed>)        = ?
[pid  6296] <... exit_group resumed>)   = ?
[pid  6309] +++ exited with 0 +++
[pid  5836] kill(-6296, SIGKILL)        = 0
[pid  5836] kill(6296, SIGKILL)         = 0
[pid  5836] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5836] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5836] getdents64(3, 0x55556fcb0730 /* 2 entries */, 32768) = 48
[pid  5836] getdents64(3, 0x55556fcb0730 /* 0 entries */, 32768) = 0
[pid  5836] close(3)                    = 0
[  429.955185][   T30] INFO: task syz-executor385:6297 blocked for more than 143 seconds.
[  429.963364][   T30]       Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
[  429.971080][   T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  429.979788][   T30] task:syz-executor385 state:D stack:14368 pid:6297  tgid:6296  ppid:5836   flags:0x00004006
[  429.990045][   T30] Call Trace:
[  429.993339][   T30]  <TASK>
[  429.996319][   T30]  __schedule+0x17fb/0x4be0
[  430.000872][   T30]  ? __pfx___schedule+0x10/0x10
[  430.005776][   T30]  ? __blk_flush_plug+0x449/0x500
[  430.010813][   T30]  ? __pfx_lock_release+0x10/0x10
[  430.015863][   T30]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[  430.021775][   T30]  ? schedule+0x90/0x320
[  430.026054][   T30]  schedule+0x14b/0x320
[  430.030225][   T30]  __bch2_two_state_lock+0x229/0x2c0
[  430.035580][   T30]  ? __pfx___bch2_two_state_lock+0x10/0x10
[  430.041406][   T30]  ? rcu_is_watching+0x15/0xb0
[  430.046442][   T30]  ? __bch2_darray_resize_noprof+0x18b/0x240
[  430.052448][   T30]  ? __pfx_autoremove_wake_function+0x10/0x10
[  430.058563][   T30]  ? __bch2_darray_resize_noprof+0x18b/0x240
[  430.064564][   T30]  bch2_readahead+0x9a2/0x11e0
[  430.069446][   T30]  ? __pfx_bch2_readahead+0x10/0x10
[  430.074665][   T30]  ? __filemap_add_folio+0xeeb/0x1320
[  430.080096][   T30]  ? blk_start_plug+0x70/0x1b0
[  430.084870][   T30]  read_pages+0x176/0x750
[  430.089265][   T30]  ? folio_add_lru+0x187/0x230
[  430.094045][   T30]  ? filemap_add_folio+0x24e/0x380
[  430.099238][   T30]  ? __pfx_read_pages+0x10/0x10
[  430.104128][   T30]  page_cache_ra_order+0x7e3/0xb60
[  430.109315][   T30]  filemap_get_pages+0x95f/0x2080
[  430.114365][   T30]  ? iter_file_splice_write+0x12ae/0x1510
[  430.120279][   T30]  ? direct_splice_actor+0x11b/0x220
[  430.125648][   T30]  ? do_sendfile+0x564/0x8a0
[  430.130266][   T30]  ? __pfx_filemap_get_pages+0x10/0x10
[  430.135774][   T30]  ? __pfx___might_resched+0x10/0x10
[  430.141075][   T30]  ? iter_file_splice_write+0x12ae/0x1510
[  430.146850][   T30]  ? iter_file_splice_write+0x12ae/0x1510
[  430.152586][   T30]  filemap_splice_read+0x68e/0xef0
[  430.157762][   T30]  ? __pfx_filemap_splice_read+0x10/0x10
[  430.163419][   T30]  ? __pfx_rcu_read_lock_any_held+0x10/0x10
[  430.169404][   T30]  ? __pfx_iter_file_splice_write+0x10/0x10
[  430.175341][   T30]  ? file_end_write+0x15b/0x250
[  430.180191][   T30]  ? direct_splice_actor+0x128/0x220
[  430.185529][   T30]  ? __pfx_filemap_splice_read+0x10/0x10
[  430.191175][   T30]  splice_direct_to_actor+0x4af/0xc80
[  430.196609][   T30]  ? __pfx_direct_splice_actor+0x10/0x10
[  430.202258][   T30]  ? __pfx_splice_direct_to_actor+0x10/0x10
[  430.208212][   T30]  ? __fget_files+0x2a/0x410
[  430.212812][   T30]  ? __pfx_lock_release+0x10/0x10
[  430.217872][   T30]  do_splice_direct+0x289/0x3e0
[  430.222737][   T30]  ? __pfx_do_splice_direct+0x10/0x10
[  430.228162][   T30]  ? __pfx_direct_file_splice_eof+0x10/0x10
[  430.234072][   T30]  ? rw_verify_area+0x1c3/0x6f0
[  430.238982][   T30]  do_sendfile+0x564/0x8a0
[  430.243423][   T30]  ? __pfx_do_sendfile+0x10/0x10
[  430.248432][   T30]  ? _raw_spin_unlock_irq+0x2e/0x50
[  430.253650][   T30]  ? ptrace_notify+0x279/0x380
[  430.258490][   T30]  __se_sys_sendfile64+0x17c/0x1e0
[  430.263621][   T30]  ? __pfx___se_sys_sendfile64+0x10/0x10
[  430.269310][   T30]  ? do_syscall_64+0x100/0x230
[  430.274096][   T30]  do_syscall_64+0xf3/0x230
[  430.278643][   T30]  ? clear_bhb_loop+0x35/0x90
[  430.283333][   T30]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.289323][   T30] RIP: 0033:0x7f53f8244f99
[  430.293776][   T30] RSP: 002b:00007f53f81fb218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[  430.302219][   T30] RAX: ffffffffffffffda RBX: 00007f53f82f16c8 RCX: 00007f53f8244f99
[  430.310241][   T30] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
[  430.318246][   T30] RBP: 00007f53f82f16c0 R08: 0000000000000000 R09: 0000000000000000
[  430.326258][   T30] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f53f82bdd3c
[  430.334214][   T30] R13: 756d6d695f737973 R14: 656c626174756d6d R15: 00007f53f829906b
[  430.342225][   T30]  </TASK>
[  430.345290][   T30] INFO: task syz-executor385:6308 blocked for more than 143 seconds.
[  430.353357][   T30]       Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
[  430.361360][   T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  430.370162][   T30] task:syz-executor385 state:D stack:26768 pid:6308  tgid:6296  ppid:5836   flags:0x00004006
[  430.380601][   T30] Call Trace:
[  430.383935][   T30]  <TASK>
[  430.386969][   T30]  __schedule+0x17fb/0x4be0
[  430.391509][   T30]  ? __pfx___schedule+0x10/0x10
[  430.396399][   T30]  ? __pfx_lock_release+0x10/0x10
[  430.401437][   T30]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  430.407518][   T30]  ? schedule+0x90/0x320
[  430.411801][   T30]  schedule+0x14b/0x320
[  430.415990][   T30]  io_schedule+0x8d/0x110
[  430.420331][   T30]  ? folio_wait_bit_common+0x850/0xee0
[  430.425888][   T30]  folio_wait_bit_common+0x839/0xee0
[  430.431197][   T30]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  430.437050][   T30]  ? __pfx_wake_page_function+0x10/0x10
[  430.442621][   T30]  ? __filemap_get_folio+0x848/0x940
[  430.447994][   T30]  truncate_inode_pages_range+0xc1f/0x10e0
[  430.453821][   T30]  ? __pfx_truncate_inode_pages_range+0x10/0x10
[  430.460116][   T30]  ? unmap_mapping_range+0xf8/0x290
[  430.465359][   T30]  ? unmap_mapping_range+0xf8/0x290
[  430.470550][   T30]  ? __pfx_unmap_mapping_range+0x10/0x10
[  430.476224][   T30]  truncate_setsize+0xcf/0xf0
[  430.480917][   T30]  bchfs_truncate+0x6f3/0xc90
[  430.485643][   T30]  ? __pfx_bchfs_truncate+0x10/0x10
[  430.490863][   T30]  ? setattr_prepare+0x1f5/0xb20
[  430.495850][   T30]  ? bch2_setattr+0x1a4/0x220
[  430.500536][   T30]  ? __pfx_bch2_setattr+0x10/0x10
[  430.505616][   T30]  notify_change+0xbca/0xe90
[  430.510246][   T30]  do_ftruncate+0x462/0x580
[  430.514772][   T30]  ? __pfx_do_ftruncate+0x10/0x10
[  430.519865][   T30]  ? __fget_files+0x395/0x410
[  430.524549][   T30]  ? __fget_files+0x2a/0x410
[  430.529179][   T30]  __x64_sys_ftruncate+0x94/0xf0
[  430.534131][   T30]  do_syscall_64+0xf3/0x230
[  430.538670][   T30]  ? clear_bhb_loop+0x35/0x90
[  430.543353][   T30]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.549279][   T30] RIP: 0033:0x7f53f8244f99
[  430.553704][   T30] RSP: 002b:00007f53f81da218 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
[  430.562176][   T30] RAX: ffffffffffffffda RBX: 00007f53f82f16d8 RCX: 00007f53f8244f99
[  430.570216][   T30] RDX: 00007f53f821e5f6 RSI: 0000000000000006 RDI: 0000000000000005
[  430.578212][   T30] RBP: 00007f53f82f16d0 R08: 00007ffd7e15fa57 R09: 0000000000000000
[  430.586215][   T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53f82bdd3c
[  430.594173][   T30] R13: 756d6d695f737973 R14: 00007ffd7e15f970 R15: 00007ffd7e15fa58
[  430.602187][   T30]  </TASK>
[  430.605275][   T30] 
[  430.605275][   T30] Showing all locks held in the system:
[  430.612988][   T30] 1 lock held by khungtaskd/30:
[  430.617936][   T30]  #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[  430.627920][   T30] 2 locks held by getty/5572:
[  430.632600][   T30]  #0: ffff8880358e10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  430.642408][   T30]  #1: ffffc9000330b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[  430.652591][   T30] 1 lock held by syz-executor385/6297:
[  430.658091][   T30]  #0: ffff8880781a4668 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_order+0x326/0xb60
[  430.669065][   T30] 2 locks held by syz-executor385/6308:
[  430.674610][   T30]  #0: ffff8880308fc420 (sb_writers#9){.+.+}-{0:0}, at: do_ftruncate+0x28b/0x580
[  430.683797][   T30]  #1: ffff8880781a44c8 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_ftruncate+0x44e/0x580
[  430.694348][   T30] 
[  430.696703][   T30] =============================================
[  430.696703][   T30] 
[  430.705144][   T30] NMI backtrace for cpu 1
[  430.709463][   T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
[  430.719943][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[  430.729982][   T30] Call Trace:
[  430.733246][   T30]  <TASK>
[  430.736163][   T30]  dump_stack_lvl+0x241/0x360
[  430.740839][   T30]  ? __pfx_dump_stack_lvl+0x10/0x10
[  430.746023][   T30]  ? __pfx__printk+0x10/0x10
[  430.750600][   T30]  nmi_cpu_backtrace+0x49c/0x4d0
[  430.755527][   T30]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  430.760969][   T30]  ? _printk+0xd5/0x120
[  430.765120][   T30]  ? __pfx__printk+0x10/0x10
[  430.769718][   T30]  ? __wake_up_klogd+0xcc/0x110
[  430.774572][   T30]  ? __pfx__printk+0x10/0x10
[  430.779162][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  430.785142][   T30]  nmi_trigger_cpumask_backtrace+0x198/0x320
[  430.791121][   T30]  watchdog+0xff6/0x1040
[  430.795360][   T30]  ? watchdog+0x1ea/0x1040
[  430.799773][   T30]  ? __pfx_watchdog+0x10/0x10
[  430.804442][   T30]  kthread+0x2f0/0x390
[  430.808508][   T30]  ? __pfx_watchdog+0x10/0x10
[  430.813176][   T30]  ? __pfx_kthread+0x10/0x10
[  430.817764][   T30]  ret_from_fork+0x4b/0x80
[  430.822173][   T30]  ? __pfx_kthread+0x10/0x10
[  430.826760][   T30]  ret_from_fork_asm+0x1a/0x30
[  430.831532][   T30]  </TASK>
[  430.834648][   T30] Sending NMI from CPU 1 to CPUs 0:
[  430.839923][    C0] NMI backtrace for cpu 0
[  430.839935][    C0] CPU: 0 UID: 0 PID: 6317 Comm: kworker/u8:0 Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
[  430.839955][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[  430.839966][    C0] Workqueue: events_unbound toggle_allocation_gate
[  430.839993][    C0] RIP: 0010:insn_get_opcode+0x51/0xe80
[  430.840017][    C0] Code: 4d 8d 6f 1c 4c 89 ed 48 c1 ed 03 42 0f b6 44 35 00 84 c0 0f 85 1e 0b 00 00 41 0f b6 5d 00 45 31 e4 31 ff 89 de e8 0f 95 df f5 <85> db 74 0a e8 06 92 df f5 e9 cc 0a 00 00 4c 89 ff e8 c9 e4 ff ff
[  430.840030][    C0] RSP: 0018:ffffc90003cc7658 EFLAGS: 00000293
[  430.840044][    C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8880306f3c00
[  430.840055][    C0] RDX: ffff8880306f3c00 RSI: 0000000000000000 RDI: 0000000000000000
[  430.840066][    C0] RBP: 1ffff92000798f27 R08: ffffffff8bbfe191 R09: 0000000000000000
[  430.840077][    C0] R10: ffffc90003cc7920 R11: fffff52000798f2f R12: 0000000000000000
[  430.840089][    C0] R13: ffffc90003cc793c R14: dffffc0000000000 R15: ffffc90003cc7920
[  430.840101][    C0] FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[  430.840115][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.840127][    C0] CR2: 00007fc84f01c580 CR3: 000000000e736000 CR4: 00000000003526f0
[  430.840142][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  430.840151][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  430.840162][    C0] Call Trace:
[  430.840168][    C0]  <NMI>
[  430.840174][    C0]  ? nmi_cpu_backtrace+0x3c2/0x4d0
[  430.840192][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  430.840211][    C0]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  430.840229][    C0]  ? nmi_handle+0x2a/0x5a0
[  430.840253][    C0]  ? nmi_cpu_backtrace_handler+0xc/0x20
[  430.840276][    C0]  ? nmi_handle+0x14f/0x5a0
[  430.840292][    C0]  ? nmi_handle+0x2a/0x5a0
[  430.840310][    C0]  ? insn_get_opcode+0x51/0xe80
[  430.840330][    C0]  ? default_do_nmi+0x63/0x160
[  430.840348][    C0]  ? exc_nmi+0x123/0x1f0
[  430.840364][    C0]  ? end_repeat_nmi+0xf/0x53
[  430.840382][    C0]  ? insn_get_opcode+0x51/0xe80
[  430.840403][    C0]  ? insn_get_opcode+0x51/0xe80
[  430.840424][    C0]  ? insn_get_opcode+0x51/0xe80
[  430.840445][    C0]  ? insn_get_opcode+0x51/0xe80
[  430.840465][    C0]  </NMI>
[  430.840470][    C0]  <TASK>
[  430.840476][    C0]  ? inat_get_opcode_attribute+0xc/0x50
[  430.840495][    C0]  ? __kmalloc_cache_node_noprof+0x8d/0x3a0
[  430.840511][    C0]  ? insn_get_opcode+0xa10/0xe80
[  430.840537][    C0]  insn_get_modrm+0x63/0x730
[  430.840563][    C0]  ? insn_get_modrm+0x4a2/0x730
[  430.840586][    C0]  insn_get_displacement+0x151/0x9a0
[  430.840611][    C0]  insn_get_immediate+0x62/0x11f0
[  430.840632][    C0]  ? insn_get_immediate+0xad4/0x11f0
[  430.840656][    C0]  insn_decode+0x2d6/0x4c0
[  430.840678][    C0]  ? __kmalloc_cache_node_noprof+0x8c/0x3a0
[  430.840694][    C0]  text_poke_loc_init+0xed/0x870
[  430.840715][    C0]  ? __jump_label_patch+0x2ca/0x490
[  430.840737][    C0]  ? __kmalloc_cache_node_noprof+0x8c/0x3a0
[  430.840754][    C0]  ? __pfx_text_poke_loc_init+0x10/0x10
[  430.840779][    C0]  ? __pfx___mutex_lock+0x10/0x10
[  430.840802][    C0]  ? text_poke_queue+0x12c/0x180
[  430.840820][    C0]  arch_jump_label_transform_queue+0x8f/0x100
[  430.840844][    C0]  __jump_label_update+0x177/0x3a0
[  430.840868][    C0]  ? process_scheduled_works+0x976/0x1840
[  430.840892][    C0]  static_key_disable_cpuslocked+0xd2/0x1c0
[  430.840914][    C0]  static_key_disable+0x1a/0x20
[  430.840934][    C0]  toggle_allocation_gate+0x1bf/0x260
[  430.840957][    C0]  ? __pfx_toggle_allocation_gate+0x10/0x10
[  430.840979][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  430.841002][    C0]  process_scheduled_works+0xa66/0x1840
[  430.841038][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  430.841064][    C0]  ? assign_work+0x364/0x3d0
[  430.841089][    C0]  worker_thread+0x870/0xd30
[  430.841108][    C0]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[  430.841129][    C0]  ? __kthread_parkme+0x169/0x1d0
[  430.841146][    C0]  ? __pfx_worker_thread+0x10/0x10
[  430.841161][    C0]  kthread+0x2f0/0x390
[  430.841178][    C0]  ? __pfx_worker_thread+0x10/0x10
[  430.841192][    C0]  ? __pfx_kthread+0x10/0x10
[  430.841210][    C0]  ret_from_fork+0x4b/0x80
[  430.841224][    C0]  ? __pfx_kthread+0x10/0x10
[  430.841242][    C0]  ret_from_fork_asm+0x1a/0x30
[  430.841270][    C0]  </TASK>
[  430.841277][    C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.354 msecs
[  430.841927][   T30] Kernel panic - not syncing: hung_task: blocked tasks
[  431.278092][   T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
[  431.288583][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[  431.298630][   T30] Call Trace:
[  431.301903][   T30]  <TASK>
[  431.304828][   T30]  dump_stack_lvl+0x241/0x360
[  431.309506][   T30]  ? __pfx_dump_stack_lvl+0x10/0x10
[  431.314703][   T30]  ? __pfx__printk+0x10/0x10
[  431.319285][   T30]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  431.325267][   T30]  ? vscnprintf+0x5d/0x90
[  431.329590][   T30]  panic+0x349/0x880
[  431.333480][   T30]  ? nmi_trigger_cpumask_backtrace+0x244/0x320
[  431.339627][   T30]  ? __pfx_panic+0x10/0x10
[  431.344040][   T30]  ? preempt_schedule_thunk+0x1a/0x30
[  431.349407][   T30]  ? nmi_trigger_cpumask_backtrace+0x244/0x320
[  431.355556][   T30]  ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[  431.361705][   T30]  ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[  431.367852][   T30]  watchdog+0x1035/0x1040
[  431.372176][   T30]  ? watchdog+0x1ea/0x1040
[  431.376588][   T30]  ? __pfx_watchdog+0x10/0x10
[  431.381264][   T30]  kthread+0x2f0/0x390
[  431.385326][   T30]  ? __pfx_watchdog+0x10/0x10
[  431.389995][   T30]  ? __pfx_kthread+0x10/0x10
[  431.394576][   T30]  ret_from_fork+0x4b/0x80
[  431.398982][   T30]  ? __pfx_kthread+0x10/0x10
[  431.403568][   T30]  ret_from_fork_asm+0x1a/0x30
[  431.408337][   T30]  </TASK>
[  431.411600][   T30] Kernel Offset: disabled
[  431.415915][   T30] Rebooting in 86400 seconds..