./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1458108278

<...>
Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts.
execve("./syz-executor1458108278", ["./syz-executor1458108278"], 0x7ffcf58b4960 /* 10 vars */) = 0
brk(NULL)                               = 0x555555ec3000
brk(0x555555ec3d00)                     = 0x555555ec3d00
arch_prctl(ARCH_SET_FS, 0x555555ec3380) = 0
set_tid_address(0x555555ec3650)         = 5829
set_robust_list(0x555555ec3660, 24)     = 0
rseq(0x555555ec3ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1458108278", 4096) = 28
getrandom("\x41\xa6\x20\x36\x0f\x4f\xdf\x5d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555ec3d00
brk(0x555555ee4d00)                     = 0x555555ee4d00
brk(0x555555ee5000)                     = 0x555555ee5000
mprotect(0x7f25abdaf000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
 <unfinished ...>
[pid  5830] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x555555ec3650) = 5830
[pid  5830] <... set_robust_list resumed>) = 0
[pid  5830] mkdir("./syzkaller.0eiVK7", 0700 <unfinished ...>
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached
, child_tidptr=0x555555ec3650) = 5831
[pid  5831] set_robust_list(0x555555ec3660, 24) = 0
[pid  5830] <... mkdir resumed>)        = 0
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] mkdir("./syzkaller.bOiqTI", 0700./strace-static-x86_64: Process 5832 attached
) = 0
[pid  5830] chmod("./syzkaller.0eiVK7", 0777) = 0
[pid  5830] chdir("./syzkaller.0eiVK7" <unfinished ...>
[pid  5832] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5830] <... chdir resumed>)        = 0
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5831] chmod("./syzkaller.bOiqTI", 0777) = 0
[pid  5830] mkdir("./0", 0777 <unfinished ...>
[pid  5832] mkdir("./syzkaller.SG2hkA", 0700 <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x555555ec3650) = 5832
[pid  5831] chdir("./syzkaller.bOiqTI" <unfinished ...>
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] <... chdir resumed>)        = 0
[pid  5830] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5833 attached
[pid  5831] mkdir("./0", 0777 <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x555555ec3650) = 5833
[pid  5833] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5832] <... mkdir resumed>)        = 0
[pid  5831] <... mkdir resumed>)        = 0
[pid  5833] <... set_robust_list resumed>) = 0
[pid  5832] chmod("./syzkaller.SG2hkA", 0777 <unfinished ...>
[pid  5830] <... openat resumed>)       = 3
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5834 attached
 <unfinished ...>
[pid  5833] mkdir("./syzkaller.bMyQbZ", 0700 <unfinished ...>
[pid  5832] <... chmod resumed>)        = 0
[pid  5830] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5834] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5830] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5829] <... clone resumed>, child_tidptr=0x555555ec3650) = 5834
[pid  5830] close(3 <unfinished ...>
[pid  5834] <... set_robust_list resumed>) = 0
[pid  5832] chdir("./syzkaller.SG2hkA" <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached
 <unfinished ...>
[pid  5834] mkdir("./syzkaller.Ey2JxD", 0700 <unfinished ...>
[pid  5832] <... chdir resumed>)        = 0
[pid  5831] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5835] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5832] mkdir("./0", 0777 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5835] chdir("./0" <unfinished ...>
[pid  5833] <... mkdir resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  5830] <... clone resumed>, child_tidptr=0x555555ec3650) = 5835
[pid  5834] <... mkdir resumed>)        = 0
[pid  5833] chmod("./syzkaller.bMyQbZ", 0777 <unfinished ...>
[pid  5832] <... mkdir resumed>)        = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5835] setpgid(0, 0)               = 0
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5835] write(3, "1000", 4)         = 4
[pid  5835] close(3)                    = 0
[pid  5835] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5833] <... chmod resumed>)        = 0
[pid  5834] chmod("./syzkaller.Ey2JxD", 0777executing program
 <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5833] chdir("./syzkaller.bMyQbZ"./strace-static-x86_64: Process 5836 attached
 <unfinished ...>
[pid  5835] write(1, "executing program\n", 18 <unfinished ...>
[pid  5834] <... chmod resumed>)        = 0
[pid  5833] <... chdir resumed>)        = 0
[pid  5835] <... write resumed>)        = 18
[pid  5835] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] chdir("./syzkaller.Ey2JxD" <unfinished ...>
[pid  5833] mkdir("./0", 0777 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 5836
[pid  5835] <... memfd_create resumed>) = 3
[pid  5832] <... openat resumed>)       = 3
[pid  5834] <... chdir resumed>)        = 0
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5835] <... mmap resumed>)         = 0x7f25a3800000
[pid  5832] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] mkdir("./0", 0777 <unfinished ...>
[pid  5833] <... mkdir resumed>)        = 0
[pid  5832] close(3 <unfinished ...>
[pid  5836] <... set_robust_list resumed>) = 0
[pid  5836] chdir("./0")                = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5836] setpgid(0, 0)               = 0
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5836] write(3, "1000", 4)         = 4
[pid  5836] close(3)                    = 0
[pid  5836] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5836] write(1, "executing program\n", 18) = 18
[pid  5836] memfd_create("syzkaller", 0) = 3
[pid  5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5834] <... mkdir resumed>)        = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5833] <... openat resumed>)       = 3
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
[pid  5833] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5833] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5832] <... clone resumed>, child_tidptr=0x555555ec3650) = 5838
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5833] close(3 <unfinished ...>
[pid  5838] chdir("./0" <unfinished ...>
[pid  5833] <... close resumed>)        = 0
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] <... chdir resumed>)        = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5839 attached
) = 0
[pid  5834] close(3 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555555ec3650) = 5839
[pid  5838] setpgid(0, 0 <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5838] <... setpgid resumed>)      = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5838] <... openat resumed>)       = 3
[pid  5838] write(3, "1000", 4 <unfinished ...>
[pid  5839] chdir("./0" <unfinished ...>
[pid  5838] <... write resumed>)        = 4
[pid  5839] <... chdir resumed>)        = 0
[pid  5838] close(3 <unfinished ...>
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5838] <... close resumed>)        = 0
[pid  5840] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5839] setpgid(0, 0 <unfinished ...>
[pid  5838] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5839] <... setpgid resumed>)      = 0
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5838] <... symlink resumed>)      = 0
executing program
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5839] <... openat resumed>)       = 3
[pid  5838] write(1, "executing program\n", 18 <unfinished ...>
[pid  5839] write(3, "1000", 4 <unfinished ...>
[pid  5840] chdir("./0" <unfinished ...>
[pid  5839] <... write resumed>)        = 4
[pid  5840] <... chdir resumed>)        = 0
[pid  5838] <... write resumed>)        = 18
executing program
[pid  5840] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5840] <... prctl resumed>)        = 0
[pid  5838] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 5840
[pid  5840] setpgid(0, 0)               = 0
[pid  5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5839] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5839] write(1, "executing program\n", 18) = 18
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5839] <... mmap resumed>)         = 0x7f25a3800000
[pid  5838] <... memfd_create resumed>) = 3
[pid  5840] write(3, "1000", 4)         = 4
[pid  5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5838] <... mmap resumed>)         = 0x7f25a3800000
[pid  5840] <... close resumed>)        = 0
[pid  5840] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5840] write(1, "executing program\n", 18executing program
) = 18
[pid  5840] memfd_create("syzkaller", 0) = 3
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[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 <unfinished ...>
[pid  5838] <... write resumed>)        = 16777216
[pid  5838] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5840] <... write resumed>)        = 16777216
[pid  5835] <... write resumed>)        = 16777216
[pid  5835] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5840] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5838] <... munmap resumed>)       = 0
[pid  5840] <... munmap resumed>)       = 0
[pid  5839] <... write resumed>)        = 16777216
[pid  5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5836] <... write resumed>)        = 16777216
[pid  5835] <... munmap resumed>)       = 0
[pid  5838] <... openat resumed>)       = 4
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5838] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5835] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5838] <... ioctl resumed>)        = 0
[pid  5836] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5839] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5840] <... openat resumed>)       = 4
[pid  5836] <... munmap resumed>)       = 0
[pid  5838] close(3 <unfinished ...>
[pid  5835] <... ioctl resumed>)        = 0
[pid  5835] close(3 <unfinished ...>
[pid  5840] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5835] <... close resumed>)        = 0
[pid  5835] close(4 <unfinished ...>
[pid  5839] <... munmap resumed>)       = 0
[pid  5840] <... ioctl resumed>)        = 0
[pid  5838] close(4 <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5840] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5836] <... openat resumed>)       = 4
[pid  5835] mkdir("./file0", 0777 <unfinished ...>
[pid  5840] close(4 <unfinished ...>
[pid  5836] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5839] <... openat resumed>)       = 4
[pid  5838] mkdir("./file0", 0777 <unfinished ...>
[pid  5835] <... mkdir resumed>)        = 0
[pid  5839] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5840] mkdir("./file0", 0777)      = 0
[pid  5840] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[   59.616234][ T5838] loop2: detected capacity change from 0 to 32768
[   59.623792][ T5835] loop0: detected capacity change from 0 to 32768
[   59.635950][ T5840] loop4: detected capacity change from 0 to 32768
[pid  5838] <... mkdir resumed>)        = 0
[pid  5838] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5835] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5839] <... ioctl resumed>)        = 0
[pid  5836] <... ioctl resumed>)        = 0
[pid  5839] close(3 <unfinished ...>
[pid  5836] close(3 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5836] <... close resumed>)        = 0
[pid  5839] close(4 <unfinished ...>
[pid  5836] close(4 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5836] <... close resumed>)        = 0
[pid  5839] mkdir("./file0", 0777)      = 0
[pid  5836] mkdir("./file0", 0777 <unfinished ...>
[pid  5839] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5836] <... mkdir resumed>)        = 0
[   59.683865][ T5839] loop3: detected capacity change from 0 to 32768
[   59.692261][ T5836] loop1: detected capacity change from 0 to 32768
[   59.864199][ T5839] bcachefs (loop3): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   59.876063][ T5835] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   59.894603][ T5840] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   59.905307][ T5840] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   59.913613][ T5835] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   59.922251][ T5836] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   59.932930][ T5839] bcachefs (loop3): recovering from clean shutdown, journal seq 3338
[   59.942945][ T5836] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   59.956868][ T5838] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   59.964588][ T5839] bcachefs (loop3): Version upgrade required:
[   59.964588][ T5839] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   59.964588][ T5839] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   59.964588][ T5839]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   59.978650][ T5838] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   60.055396][ T5839] bcachefs (loop3): dropping and reconstructing all alloc info
[   60.079532][ T5839] bcachefs (loop3): accounting_read... done
[   60.120041][ T5839] bcachefs (loop3): alloc_read... done
[   60.133456][ T5839] bcachefs (loop3): stripes_read... done
[   60.139211][ T5839] bcachefs (loop3): snapshots_read... done
[pid  5836] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5838] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5840] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5836] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[   60.146428][ T5839] bcachefs (loop3): check_allocations...
[   60.152122][ T5838] bcachefs: bch2_fs_get_tree() error: EINVAL
[   60.181390][ T5839]  done
[   60.188592][ T5840] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5840] <... ioctl resumed>)        = 0
[pid  5840] close(3 <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] <... ioctl resumed>)        = 0
[pid  5838] close(3 <unfinished ...>
[pid  5836] <... ioctl resumed>)        = 0
[pid  5836] close(3 <unfinished ...>
[pid  5835] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5835] ioctl(3, LOOP_CLR_FD)       = 0
[   60.198774][ T5836] bcachefs: bch2_fs_get_tree() error: EINVAL
[   60.198900][ T5835] bcachefs: bch2_fs_get_tree() error: EINVAL
[   60.233864][ T5839] bcachefs (loop3): going read-write
[pid  5835] close(3 <unfinished ...>
[pid  5839] <... mount resumed>)        = 0
[pid  5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5839] chdir("./file0")            = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[   60.313797][ T5839] bcachefs (loop3): done starting filesystem
[pid  5839] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5839] close(4)                    = 0
[pid  5839] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5840] <... close resumed>)        = 0
[pid  5839] exit_group(0)               = ?
[pid  5839] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] <... mkdirat resumed>)      = 0
[pid  5833] <... openat resumed>)       = 3
[pid  5833] newfstatat(3, "",  <unfinished ...>
[pid  5840] exit_group(0 <unfinished ...>
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(3,  <unfinished ...>
[pid  5840] <... exit_group resumed>)   = ?
[pid  5833] <... getdents64 resumed>0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] +++ exited with 0 +++
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=43 /* 0.43 s */} ---
[pid  5834] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5833] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5834] <... restart_syscall resumed>) = 0
[pid  5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] unlink("./0/binderfs" <unfinished ...>
[pid  5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] <... unlink resumed>)       = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5836] <... close resumed>)        = 0
[pid  5834] unlink("./0/binderfs" <unfinished ...>
[pid  5836] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5834] <... unlink resumed>)       = 0
[pid  5836] <... mkdirat resumed>)      = 0
[pid  5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] exit_group(0 <unfinished ...>
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5836] <... exit_group resumed>)   = ?
[pid  5834] <... openat resumed>)       = 4
[pid  5836] +++ exited with 0 +++
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=36 /* 0.36 s */} ---
[pid  5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./0/binderfs")      = 0
[pid  5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] newfstatat(4, "",  <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] close(4 <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] <... close resumed>)        = 0
[pid  5831] close(4)                    = 0
[pid  5831] rmdir("./0/file0" <unfinished ...>
[pid  5834] rmdir("./0/file0" <unfinished ...>
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] <... rmdir resumed>)        = 0
[pid  5834] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5831] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5834] <... openat resumed>)       = 4
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] <... openat resumed>)       = 4
[pid  5838] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5835] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] newfstatat(4, "",  <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] close(4 <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5835] <... mkdirat resumed>)      = 0
[pid  5835] exit_group(0 <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  5838] <... mkdirat resumed>)      = 0
[pid  5835] <... exit_group resumed>)   = ?
[pid  5838] exit_group(0 <unfinished ...>
[pid  5835] +++ exited with 0 +++
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] <... close resumed>)        = 0
[pid  5834] close(3 <unfinished ...>
[pid  5831] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5838] <... exit_group resumed>)   = ?
[pid  5834] <... close resumed>)        = 0
[pid  5831] <... rmdir resumed>)        = 0
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=42 /* 0.42 s */} ---
[pid  5834] rmdir("./0" <unfinished ...>
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] close(3 <unfinished ...>
[pid  5838] +++ exited with 0 +++
[pid  5831] <... close resumed>)        = 0
[pid  5830] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=41 /* 0.41 s */} ---
[pid  5831] rmdir("./0" <unfinished ...>
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5834] mkdir("./1", 0777 <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5831] <... rmdir resumed>)        = 0
[pid  5830] <... restart_syscall resumed>) = 0
[pid  5831] mkdir("./1", 0777 <unfinished ...>
[pid  5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] <... mkdir resumed>)        = 0
[pid  5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] newfstatat(3, "",  <unfinished ...>
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5834] <... close resumed>)        = 0
[pid  5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./0/binderfs")      = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] close(3)                    = 0
[pid  5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached
./strace-static-x86_64: Process 5883 attached
[   60.521127][ T5833] bcachefs (loop3): shutting down
[   60.529239][ T5833] bcachefs (loop3): going read-only
[   60.535520][ T5833] bcachefs (loop3): finished waiting for writes to stop
[   60.560017][ T5833] bcachefs (loop3): flushing journal and stopping allocators, journal seq 3340
 <unfinished ...>
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5884] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5883] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 5883
[pid  5832] <... openat resumed>)       = 3
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 5884
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(3, "",  <unfinished ...>
[pid  5830] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5884] <... set_robust_list resumed>) = 0
[pid  5883] <... set_robust_list resumed>) = 0
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... openat resumed>)       = 4
[pid  5884] chdir("./1" <unfinished ...>
[pid  5883] chdir("./1" <unfinished ...>
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5830] newfstatat(4, "",  <unfinished ...>
[pid  5884] <... chdir resumed>)        = 0
[pid  5883] <... chdir resumed>)        = 0
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5884] <... prctl resumed>)        = 0
[pid  5883] <... prctl resumed>)        = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5884] setpgid(0, 0 <unfinished ...>
[pid  5883] setpgid(0, 0 <unfinished ...>
[pid  5830] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5884] <... setpgid resumed>)      = 0
[pid  5883] <... setpgid resumed>)      = 0
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5884] <... openat resumed>)       = 3
[pid  5883] <... openat resumed>)       = 3
[pid  5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5884] write(3, "1000", 4 <unfinished ...>
[pid  5883] write(3, "1000", 4 <unfinished ...>
[pid  5884] <... write resumed>)        = 4
[pid  5883] <... write resumed>)        = 4
[pid  5883] close(3 <unfinished ...>
[pid  5884] close(3 <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5883] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5884] <... close resumed>)        = 0
[pid  5883] <... symlink resumed>)      = 0
[pid  5830] close(4 <unfinished ...>
[pid  5832] unlink("./0/binderfs" <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[pid  5884] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5883] write(1, "executing program\n", 18 <unfinished ...>
[pid  5830] rmdir("./0/file0" <unfinished ...>
[pid  5832] <... unlink resumed>)       = 0
[pid  5884] <... symlink resumed>)      = 0
[pid  5883] <... write resumed>)        = 18
executing program
[pid  5883] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] <... rmdir resumed>)        = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5884] write(1, "executing program\n", 18 <unfinished ...>
[pid  5883] <... memfd_create resumed>) = 3
[pid  5832] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5830] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5883] <... mmap resumed>)         = 0x7f25a3800000
[pid  5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
executing program
[pid  5884] <... write resumed>)        = 18
[pid  5832] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5884] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
[pid  5830] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5884] <... memfd_create resumed>) = 3
[pid  5832] newfstatat(4, "",  <unfinished ...>
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5884] <... mmap resumed>)         = 0x7f25a3800000
[pid  5830] <... openat resumed>)       = 4
[   60.649314][   T35] bcachefs (loop3): bch2_write_super(): fatal error  loop3: Superblock write was silently dropped! (seq 0 expected 53)
[   60.682667][   T35] bcachefs (loop3): fatal error - emergency read only
[pid  5830] newfstatat(4, "",  <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5832] close(4)                    = 0
[pid  5830] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4 <unfinished ...>
[pid  5832] rmdir("./0/file0")          = 0
[pid  5830] <... close resumed>)        = 0
[pid  5832] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5832] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] close(3 <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] <... close resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] rmdir("./0" <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
[pid  5830] <... rmdir resumed>)        = 0
[pid  5832] newfstatat(4, "",  <unfinished ...>
[pid  5830] mkdir("./1", 0777 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... mkdir resumed>)        = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5832] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] <... openat resumed>)       = 3
[pid  5832] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5832] close(4 <unfinished ...>
[pid  5830] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5832] <... close resumed>)        = 0
[pid  5830] close(3 <unfinished ...>
[pid  5832] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[pid  5832] <... rmdir resumed>)        = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x555555ec3650) = 5887
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] close(3executing program
./strace-static-x86_64: Process 5887 attached
)                    = 0
[pid  5887] set_robust_list(0x555555ec3660, 24) = 0
[pid  5887] chdir("./1")                = 0
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5887] setpgid(0, 0)               = 0
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5887] write(3, "1000", 4)         = 4
[pid  5887] close(3)                    = 0
[pid  5887] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5887] write(1, "executing program\n", 18) = 18
[pid  5887] memfd_create("syzkaller", 0) = 3
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   60.709141][ T5833] bcachefs (loop3): flushing journal and stopping allocators complete, journal seq 3342
[   60.720758][ T5833] bcachefs (loop3): unshutdown complete, journal seq 3342
[   60.739574][ T5833] bcachefs (loop3): done going read-only, filesystem not clean
[pid  5832] rmdir("./0")                = 0
[pid  5832] mkdir("./1", 0777)          = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5832] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5832] close(3)                    = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached
 <unfinished ...>
[pid  5888] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x555555ec3650) = 5888
[pid  5888] <... set_robust_list resumed>) = 0
[pid  5888] chdir("./1")                = 0
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5888] setpgid(0, 0)               = 0
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5888] write(3, "1000", 4)         = 4
[pid  5888] close(3)                    = 0
[pid  5888] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5888] write(1, "executing program\n", 18) = 18
[pid  5888] memfd_create("syzkaller", 0) = 3
[pid  5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   60.816383][ T5833] bcachefs (loop3): shutdown complete
[pid  5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5883] <... write resumed>)        = 16777216
[pid  5883] munmap(0x7f25a3800000, 138412032) = 0
[pid  5883] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5883] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5888] <... write resumed>)        = 16777216
[pid  5884] <... write resumed>)        = 16777216
[pid  5883] close(3)                    = 0
[pid  5883] close(4)                    = 0
[pid  5883] mkdir("./file0", 0777)      = 0
[pid  5883] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5884] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5888] munmap(0x7f25a3800000, 138412032) = 0
[pid  5884] <... munmap resumed>)       = 0
[   61.344245][ T5883] loop4: detected capacity change from 0 to 32768
[pid  5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5884] <... openat resumed>)       = 4
[pid  5888] <... openat resumed>)       = 4
[pid  5888] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5884] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5884] close(3)                    = 0
[pid  5884] close(4)                    = 0
[pid  5884] mkdir("./file0", 0777)      = 0
[pid  5888] <... ioctl resumed>)        = 0
[pid  5888] close(3 <unfinished ...>
[pid  5884] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5888] close(4)                    = 0
[pid  5888] mkdir("./file0", 0777)      = 0
[pid  5888] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5887] <... write resumed>)        = 16777216
[pid  5887] munmap(0x7f25a3800000, 138412032) = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   61.425430][ T5884] loop1: detected capacity change from 0 to 32768
[   61.432216][ T5888] loop2: detected capacity change from 0 to 32768
[pid  5887] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5887] close(3)                    = 0
[pid  5887] close(4)                    = 0
[pid  5887] mkdir("./file0", 0777)      = 0
[   61.488170][ T5887] loop0: detected capacity change from 0 to 32768
[   61.761709][ T5888] bcachefs (loop2): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   61.783151][ T5883] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   61.792624][ T5883] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   61.801252][ T5884] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   61.817014][ T5888] bcachefs (loop2): recovering from clean shutdown, journal seq 3338
[   61.836955][ T5884] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   61.856033][ T5887] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   61.881843][ T5888] bcachefs (loop2): Version upgrade required:
[   61.881843][ T5888] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   61.881843][ T5888] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   61.881843][ T5888]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   61.973400][ T5887] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   61.990637][ T5888] bcachefs (loop2): dropping and reconstructing all alloc info
[   62.025299][ T5888] bcachefs (loop2): accounting_read... done
[   62.055638][ T5888] bcachefs (loop2): alloc_read... done
[   62.061564][ T5888] bcachefs (loop2): stripes_read... done
[   62.069399][ T5888] bcachefs (loop2): snapshots_read... done
[   62.083476][ T5888] bcachefs (loop2): check_allocations...
[   62.085096][ T5883] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5887] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5884] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5883] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5884] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5884] <... ioctl resumed>)        = 0
[pid  5884] close(3 <unfinished ...>
[pid  5883] <... openat resumed>)       = 3
[pid  5883] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5887] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5888] <... mount resumed>)        = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5887] <... openat resumed>)       = 3
[pid  5888] <... openat resumed>)       = 3
[pid  5887] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5888] chdir("./file0" <unfinished ...>
[pid  5887] <... ioctl resumed>)        = 0
[pid  5888] <... chdir resumed>)        = 0
[pid  5887] close(3 <unfinished ...>
[   62.101414][ T5884] bcachefs: bch2_fs_get_tree() error: EINVAL
[   62.103693][ T5888]  done
[   62.111473][ T5888] bcachefs (loop2): going read-write
[   62.127983][ T5888] bcachefs (loop2): done starting filesystem
[   62.136319][ T5887] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5888] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5883] close(3 <unfinished ...>
[pid  5888] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5888] close(4)                    = 0
[pid  5888] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5888] exit_group(0)               = ?
[pid  5888] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] <... umount2 resumed>)      = 0
[pid  5832] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... openat resumed>)       = 3
[pid  5832] newfstatat(3, "",  <unfinished ...>
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] <... openat resumed>)       = 4
[pid  5832] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5833] newfstatat(4, "",  <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] unlink("./1/binderfs" <unfinished ...>
[pid  5833] getdents64(4,  <unfinished ...>
[pid  5832] <... unlink resumed>)       = 0
[pid  5833] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5833] close(4)                    = 0
[pid  5833] rmdir("./0/file0")          = 0
[pid  5833] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5833] close(3)                    = 0
[   62.298798][ T5832] bcachefs (loop2): shutting down
[pid  5833] rmdir("./0")                = 0
[pid  5833] mkdir("./1", 0777)          = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5833] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5833] close(3)                    = 0
[pid  5887] <... close resumed>)        = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5887] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 5920 attached
 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555555ec3650) = 5920
[pid  5920] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5887] <... mkdirat resumed>)      = 0
[pid  5920] <... set_robust_list resumed>) = 0
[pid  5887] exit_group(0 <unfinished ...>
[pid  5920] chdir("./1" <unfinished ...>
[pid  5887] <... exit_group resumed>)   = ?
[   62.323433][ T5832] bcachefs (loop2): going read-only
[   62.331540][ T5832] bcachefs (loop2): finished waiting for writes to stop
[pid  5920] <... chdir resumed>)        = 0
[pid  5887] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=34 /* 0.34 s */} ---
[pid  5920] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5830] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5920] <... prctl resumed>)        = 0
[pid  5920] setpgid(0, 0)               = 0
[pid  5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] <... openat resumed>)       = 3
[pid  5920] write(3, "1000", 4)         = 4
[pid  5920] close(3)                    = 0
[pid  5920] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  5830] newfstatat(3, "",  <unfinished ...>
[pid  5920] <... symlink resumed>)      = 0
[pid  5920] write(1, "executing program\n", 18) = 18
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5920] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5830] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5920] <... memfd_create resumed>) = 3
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5830] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./1/binderfs" <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5830] <... unlink resumed>)       = 0
[pid  5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./1/file0",  <unfinished ...>
[pid  5883] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5883] exit_group(0)               = ?
[pid  5830] <... openat resumed>)       = 4
[   62.395906][ T5832] bcachefs (loop2): flushing journal and stopping allocators, journal seq 3340
[pid  5830] newfstatat(4, "",  <unfinished ...>
[pid  5883] +++ exited with 0 +++
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=32 /* 0.32 s */} ---
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5834] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5830] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("./1/file0" <unfinished ...>
[pid  5834] <... restart_syscall resumed>) = 0
[pid  5834] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] <... rmdir resumed>)        = 0
[pid  5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] unlink("./1/binderfs")      = 0
[pid  5830] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] <... openat resumed>)       = 4
[pid  5834] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5884] <... close resumed>)        = 0
[pid  5830] newfstatat(4, "",  <unfinished ...>
[pid  5884] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5830] close(3 <unfinished ...>
[pid  5884] <... mkdirat resumed>)      = 0
[pid  5830] <... close resumed>)        = 0
[pid  5830] rmdir("./1" <unfinished ...>
[pid  5884] exit_group(0 <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5830] <... rmdir resumed>)        = 0
[pid  5830] mkdir("./2", 0777)          = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5830] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5830] close(3)                    = 0
[pid  5884] <... exit_group resumed>)   = ?
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x555555ec3650) = 5921
[pid  5884] +++ exited with 0 +++
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4 <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=42 /* 0.42 s */} ---
[pid  5834] <... close resumed>)        = 0
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5834] rmdir("./1/file0"./strace-static-x86_64: Process 5921 attached
)          = 0
[pid  5921] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5831] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./1/binderfs")      = 0
[pid  5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[pid  5831] rmdir("./1/file0")          = 0
[pid  5831] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5921] <... set_robust_list resumed>) = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... openat resumed>)       = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5921] chdir("./2" <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5921] <... chdir resumed>)        = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5834] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  5921] <... prctl resumed>)        = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... close resumed>)        = 0
[pid  5921] setpgid(0, 0 <unfinished ...>
[pid  5834] openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5831] rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5921] <... setpgid resumed>)      = 0
[pid  5834] <... openat resumed>)       = 4
[pid  5831] <... rmdir resumed>)        = 0
[   62.492298][ T4369] bcachefs (loop2): bch2_write_super(): fatal error  loop2: Superblock write was silently dropped! (seq 0 expected 53)
[   62.520811][ T4369] bcachefs (loop2): fatal error - emergency read only
[   62.529545][ T5832] bcachefs (loop2): flushing journal and stopping allocators complete, journal seq 3342
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5921] <... openat resumed>)       = 3
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5921] write(3, "1000", 4 <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5921] <... write resumed>)        = 4
[pid  5834] <... close resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  5921] close(3 <unfinished ...>
[pid  5834] rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5831] rmdir("./1" <unfinished ...>
[pid  5921] <... close resumed>)        = 0
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... rmdir resumed>)        = 0
executing program
[pid  5921] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5831] mkdir("./2", 0777 <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5834] close(3 <unfinished ...>
[pid  5921] <... symlink resumed>)      = 0
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./1")                = 0
[pid  5831] <... mkdir resumed>)        = 0
[pid  5921] write(1, "executing program\n", 18 <unfinished ...>
[pid  5834] mkdir("./2", 0777 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5921] <... write resumed>)        = 18
[pid  5834] <... mkdir resumed>)        = 0
[pid  5831] <... openat resumed>)       = 3
[pid  5921] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5831] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5831] close(3)                    = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5921] <... memfd_create resumed>) = 3
[pid  5834] <... openat resumed>)       = 3
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5921] <... mmap resumed>)         = 0x7f25a3800000
./strace-static-x86_64: Process 5922 attached
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 5922
[pid  5834] close(3)                    = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5923 attached
 <unfinished ...>
[pid  5922] set_robust_list(0x555555ec3660, 24) = 0
[pid  5922] chdir("./2")                = 0
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5922] setpgid(0, 0 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 5923
[pid  5923] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5922] <... setpgid resumed>)      = 0
[pid  5923] <... set_robust_list resumed>) = 0
[pid  5923] chdir("./2")                = 0
[pid  5923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[   62.547081][ T5832] bcachefs (loop2): unshutdown complete, journal seq 3342
[   62.570642][ T5832] bcachefs (loop2): done going read-only, filesystem not clean
[pid  5923] setpgid(0, 0)               = 0
[pid  5922] <... openat resumed>)       = 3
[pid  5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3)                    = 0
[pid  5923] <... openat resumed>)       = 3
[pid  5922] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5923] write(3, "1000", 4 <unfinished ...>
[pid  5922] <... symlink resumed>)      = 0
[pid  5923] <... write resumed>)        = 4
[pid  5922] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5923] close(3 <unfinished ...>
[pid  5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5923] <... close resumed>)        = 0
[pid  5923] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5922] <... write resumed>)        = 18
[pid  5922] memfd_create("syzkaller", 0) = 3
[pid  5923] <... symlink resumed>)      = 0
[pid  5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5923] write(1, "executing program\n", 18executing program
) = 18
[pid  5923] memfd_create("syzkaller", 0) = 3
[pid  5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   62.689171][ T5832] bcachefs (loop2): shutdown complete
[pid  5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5920] <... write resumed>)        = 16777216
[pid  5920] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5920] <... munmap resumed>)       = 0
[pid  5920] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5920] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5922] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5920] <... ioctl resumed>)        = 0
[pid  5920] close(3)                    = 0
[pid  5920] close(4)                    = 0
[pid  5920] mkdir("./file0", 0777)      = 0
[   62.984838][ T5920] loop3: detected capacity change from 0 to 32768
[pid  5920] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5921] <... write resumed>)        = 16777216
[pid  5921] munmap(0x7f25a3800000, 138412032) = 0
[pid  5921] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5921] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5921] close(3)                    = 0
[pid  5921] close(4)                    = 0
[pid  5921] mkdir("./file0", 0777)      = 0
[pid  5921] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5923] <... write resumed>)        = 16777216
[   63.185001][ T5921] loop0: detected capacity change from 0 to 32768
[pid  5923] munmap(0x7f25a3800000, 138412032) = 0
[pid  5923] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5923] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5922] <... write resumed>)        = 16777216
[pid  5922] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5923] <... ioctl resumed>)        = 0
[pid  5922] <... munmap resumed>)       = 0
[pid  5923] close(3)                    = 0
[pid  5923] close(4 <unfinished ...>
[pid  5922] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5922] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5923] <... close resumed>)        = 0
[pid  5922] <... ioctl resumed>)        = 0
[pid  5923] mkdir("./file0", 0777)      = 0
[pid  5923] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5922] close(3)                    = 0
[pid  5922] close(4)                    = 0
[pid  5922] mkdir("./file0", 0777)      = 0
[   63.272230][ T5923] loop4: detected capacity change from 0 to 32768
[   63.304302][ T5922] loop1: detected capacity change from 0 to 32768
[   63.622531][ T5920] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   63.622787][ T5921] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   63.631811][ T5920] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   63.653755][ T5921] bcachefs (loop0): recovering from clean shutdown, journal seq 3338
[   63.680257][ T5921] bcachefs (loop0): Version upgrade required:
[   63.680257][ T5921] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   63.680257][ T5921] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   63.680257][ T5921]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   63.694722][ T5922] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   63.769855][ T5921] bcachefs (loop0): dropping and reconstructing all alloc info
[   63.793396][ T5922] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   63.801578][ T5923] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   63.826936][ T5923] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   63.836230][ T5920] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5922] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5920] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5920] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5920] ioctl(3, LOOP_CLR_FD)       = 0
[   63.862797][ T5921] bcachefs (loop0): accounting_read... done
[   63.869891][ T5921] bcachefs (loop0): alloc_read... done
[   63.899214][ T5921] bcachefs (loop0): stripes_read... done
[   63.924226][ T5921] bcachefs (loop0): snapshots_read... done
[pid  5920] close(3 <unfinished ...>
[pid  5922] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5922] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5922] ioctl(3, LOOP_CLR_FD)       = 0
[   63.943258][ T5921] bcachefs (loop0): check_allocations...
[   64.009608][ T5922] bcachefs: bch2_fs_get_tree() error: EINVAL
[   64.034879][ T5921]  done
[   64.038883][ T5921] bcachefs (loop0): going read-write
[pid  5922] close(3 <unfinished ...>
[pid  5921] <... mount resumed>)        = 0
[pid  5921] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5921] chdir("./file0")            = 0
[pid  5921] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5921] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5921] close(4)                    = 0
[pid  5921] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5920] <... close resumed>)        = 0
[pid  5921] exit_group(0)               = ?
[pid  5921] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} ---
[   64.059401][ T5921] bcachefs (loop0): done starting filesystem
[pid  5830] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5923] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5830] <... restart_syscall resumed>) = 0
[pid  5920] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5830] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5920] <... mkdirat resumed>)      = 0
[pid  5830] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] newfstatat(3, "",  <unfinished ...>
[pid  5920] exit_group(0 <unfinished ...>
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5920] <... exit_group resumed>)   = ?
[pid  5920] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=39 /* 0.39 s */} ---
[pid  5923] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5830] <... getdents64 resumed>0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5923] <... openat resumed>)       = 3
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5923] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5923] <... ioctl resumed>)        = 0
[pid  5923] close(3 <unfinished ...>
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[   64.115029][ T5923] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] <... openat resumed>)       = 3
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(3, "",  <unfinished ...>
[pid  5830] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] unlink("./2/binderfs" <unfinished ...>
[pid  5832] <... umount2 resumed>)      = 0
[pid  5830] <... unlink resumed>)       = 0
[pid  5833] getdents64(3,  <unfinished ...>
[pid  5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5833] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] unlink("./1/binderfs")      = 0
[pid  5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] newfstatat(AT_FDCWD, "./1/file0",  <unfinished ...>
[pid  5833] <... openat resumed>)       = 4
[pid  5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5833] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5833] close(4)                    = 0
[pid  5833] rmdir("./1/file0")          = 0
[pid  5833] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5833] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5833] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5833] close(4)                    = 0
[pid  5833] rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5833] close(3)                    = 0
[pid  5833] rmdir("./1" <unfinished ...>
[pid  5832] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5833] <... rmdir resumed>)        = 0
[pid  5833] mkdir("./2", 0777)          = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[   64.214377][ T5830] bcachefs (loop0): shutting down
[pid  5833] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5833] close(3)                    = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5955 attached
[pid  5833] <... clone resumed>, child_tidptr=0x555555ec3650) = 5955
[pid  5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5955] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5832] close(4)                    = 0
[pid  5832] rmdir("./1/file0" <unfinished ...>
[pid  5955] <... set_robust_list resumed>) = 0
[pid  5832] <... rmdir resumed>)        = 0
[pid  5955] chdir("./2" <unfinished ...>
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5955] <... chdir resumed>)        = 0
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5955] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] close(3 <unfinished ...>
[pid  5955] <... prctl resumed>)        = 0
[pid  5832] <... close resumed>)        = 0
[pid  5955] setpgid(0, 0 <unfinished ...>
[pid  5832] rmdir("./1" <unfinished ...>
[pid  5955] <... setpgid resumed>)      = 0
[pid  5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] <... rmdir resumed>)        = 0
[pid  5955] <... openat resumed>)       = 3
[pid  5832] mkdir("./2", 0777 <unfinished ...>
[pid  5955] write(3, "1000", 4)         = 4
[pid  5832] <... mkdir resumed>)        = 0
[pid  5955] close(3 <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5955] <... close resumed>)        = 0
[pid  5832] <... openat resumed>)       = 3
[pid  5832] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5955] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5832] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5832] close(3 <unfinished ...>
[pid  5955] <... symlink resumed>)      = 0
[pid  5832] <... close resumed>)        = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5955] write(1, "executing program\n", 18./strace-static-x86_64: Process 5956 attached
) = 18
[pid  5955] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x555555ec3650) = 5956
[pid  5956] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5955] <... memfd_create resumed>) = 3
[pid  5956] <... set_robust_list resumed>) = 0
[pid  5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5956] chdir("./2")                = 0
[   64.243415][ T5830] bcachefs (loop0): going read-only
[   64.248677][ T5830] bcachefs (loop0): finished waiting for writes to stop
[pid  5956] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5922] <... close resumed>)        = 0
[pid  5922] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5956] <... prctl resumed>)        = 0
[pid  5922] exit_group(0)               = ?
[pid  5956] setpgid(0, 0 <unfinished ...>
[pid  5922] +++ exited with 0 +++
[pid  5956] <... setpgid resumed>)      = 0
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=36 /* 0.36 s */} ---
[pid  5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5831] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5956] write(3, "1000", 4 <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./2/binderfs" <unfinished ...>
[pid  5956] <... write resumed>)        = 4
[pid  5831] <... unlink resumed>)       = 0
[pid  5956] close(3)                    = 0
[pid  5956] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./2/file0", executing program
{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5956] write(1, "executing program\n", 18) = 18
[pid  5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5956] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5956] <... memfd_create resumed>) = 3
[pid  5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5956] <... mmap resumed>)         = 0x7f25a3800000
[pid  5831] <... openat resumed>)       = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[   64.308037][ T5830] bcachefs (loop0): flushing journal and stopping allocators, journal seq 3340
[pid  5831] rmdir("./2/file0")          = 0
[pid  5831] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[pid  5831] rmdir("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5831] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] close(3)                    = 0
[pid  5831] rmdir("./2")                = 0
[pid  5923] <... close resumed>)        = 0
[pid  5831] mkdir("./3", 0777 <unfinished ...>
[pid  5923] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5923] <... mkdirat resumed>)      = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5831] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5923] exit_group(0 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5923] <... exit_group resumed>)   = ?
[pid  5831] <... close resumed>)        = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5923] +++ exited with 0 +++
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 5957
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=45 /* 0.45 s */} ---
[pid  5834] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5834] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
./strace-static-x86_64: Process 5957 attached
[pid  5834] newfstatat(3, "",  <unfinished ...>
[pid  5957] set_robust_list(0x555555ec3660, 24) = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5957] chdir("./3" <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5834] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] unlink("./2/binderfs")      = 0
[pid  5834] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   64.379220][   T35] bcachefs (loop0): bch2_write_super(): fatal error  loop0: Superblock write was silently dropped! (seq 0 expected 53)
[   64.413326][   T35] bcachefs (loop0): fatal error - emergency read only
[pid  5834] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5957] <... chdir resumed>)        = 0
[pid  5834] <... openat resumed>)       = 4
[pid  5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5957] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5957] <... prctl resumed>)        = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5957] setpgid(0, 0 <unfinished ...>
[pid  5834] close(4 <unfinished ...>
[pid  5957] <... setpgid resumed>)      = 0
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./2/file0" <unfinished ...>
[pid  5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5957] <... openat resumed>)       = 3
[pid  5834] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5957] write(3, "1000", 4 <unfinished ...>
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5957] <... write resumed>)        = 4
[pid  5834] <... openat resumed>)       = 4
[pid  5957] close(3 <unfinished ...>
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5957] <... close resumed>)        = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5957] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5957] <... symlink resumed>)      = 0
[pid  5957] write(1, "executing program\n", 18) = 18
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4)                    = 0
[pid  5834] rmdir("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5957] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5834] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5834] close(3)                    = 0
[pid  5957] <... memfd_create resumed>) = 3
[pid  5957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5834] rmdir("./2")                = 0
[pid  5834] mkdir("./3", 0777)          = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5834] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5834] close(3)                    = 0
[pid  5834] 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(0x555555ec3660, 24 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 5958
[pid  5958] <... set_robust_list resumed>) = 0
[pid  5958] chdir("./3")                = 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] memfd_create("syzkaller", 0) = 3
[pid  5958] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   64.440258][ T5830] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 3342
[   64.462800][ T5830] bcachefs (loop0): unshutdown complete, journal seq 3342
[   64.482853][ T5830] bcachefs (loop0): done going read-only, filesystem not clean
[   64.594711][ T5830] bcachefs (loop0): shutdown complete
[pid  5955] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5958] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5955] <... write resumed>)        = 16777216
[pid  5955] munmap(0x7f25a3800000, 138412032) = 0
[pid  5955] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5955] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5955] close(3)                    = 0
[pid  5955] close(4)                    = 0
[pid  5955] mkdir("./file0", 0777)      = 0
[   65.005509][ T5955] loop3: detected capacity change from 0 to 32768
[pid  5955] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5958] <... write resumed>)        = 16777216
[pid  5956] <... write resumed>)        = 16777216
[pid  5958] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5956] munmap(0x7f25a3800000, 138412032) = 0
[pid  5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5958] <... munmap resumed>)       = 0
[pid  5956] <... openat resumed>)       = 4
[pid  5958] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5956] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5958] <... openat resumed>)       = 4
[pid  5957] <... write resumed>)        = 16777216
[pid  5958] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5957] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5956] <... ioctl resumed>)        = 0
[pid  5958] <... ioctl resumed>)        = 0
[pid  5956] close(3)                    = 0
[pid  5956] close(4)                    = 0
[pid  5956] mkdir("./file0", 0777)      = 0
[pid  5958] close(3 <unfinished ...>
[pid  5957] <... munmap resumed>)       = 0
[pid  5958] <... close resumed>)        = 0
[pid  5957] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5956] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5957] <... openat resumed>)       = 4
[pid  5958] close(4 <unfinished ...>
[pid  5957] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5958] <... close resumed>)        = 0
[pid  5957] <... ioctl resumed>)        = 0
[   65.116565][ T5956] loop2: detected capacity change from 0 to 32768
[   65.125420][ T5958] loop4: detected capacity change from 0 to 32768
[pid  5958] mkdir("./file0", 0777)      = 0
[pid  5958] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5957] close(3)                    = 0
[pid  5957] close(4)                    = 0
[pid  5957] mkdir("./file0", 0777)      = 0
[   65.165146][ T5957] loop1: detected capacity change from 0 to 32768
[   65.381238][ T5956] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   65.381527][ T5955] bcachefs (loop3): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   65.390571][ T5956] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   65.417538][ T5955] bcachefs (loop3): recovering from clean shutdown, journal seq 3338
[   65.428111][ T5955] bcachefs (loop3): Version upgrade required:
[   65.428111][ T5955] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   65.428111][ T5955] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   65.428111][ T5955]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   65.511647][ T5958] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   65.524526][ T5955] bcachefs (loop3): dropping and reconstructing all alloc info
[   65.537764][ T5958] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   65.547534][ T5957] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   65.558554][ T5957] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   65.592602][ T5955] bcachefs (loop3): accounting_read... done
[   65.630327][ T5955] bcachefs (loop3): alloc_read... done
[pid  5957] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5956] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5958] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5956] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5956] close(3 <unfinished ...>
[pid  5958] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5958] ioctl(3, LOOP_CLR_FD)       = 0
[   65.670019][ T5955] bcachefs (loop3): stripes_read... done
[   65.670506][ T5956] bcachefs: bch2_fs_get_tree() error: EINVAL
[   65.683246][ T5955] bcachefs (loop3): snapshots_read... done
[   65.689170][ T5955] bcachefs (loop3): check_allocations...
[   65.699034][ T5958] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5958] close(3 <unfinished ...>
[pid  5957] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5957] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[   65.754841][ T5957] bcachefs: bch2_fs_get_tree() error: EINVAL
[   65.777313][ T5955]  done
[pid  5957] ioctl(3, LOOP_CLR_FD)       = 0
[   65.814246][ T5955] bcachefs (loop3): going read-write
[pid  5957] close(3 <unfinished ...>
[pid  5830] <... umount2 resumed>)      = 0
[pid  5955] <... mount resumed>)        = 0
[pid  5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("./2/file0")          = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5830] close(3)                    = 0
[pid  5830] rmdir("./2")                = 0
[pid  5830] mkdir("./3", 0777)          = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5830] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5830] close(3 <unfinished ...>
[pid  5955] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ec3650) = 5990
./strace-static-x86_64: Process 5990 attached
[pid  5990] set_robust_list(0x555555ec3660, 24) = 0
[pid  5990] chdir("./3")                = 0
[pid  5990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5990] setpgid(0, 0 <unfinished ...>
[pid  5955] <... openat resumed>)       = 3
[pid  5990] <... setpgid resumed>)      = 0
[pid  5955] chdir("./file0")            = 0
[pid  5955] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5955] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5955] close(4)                    = 0
[pid  5955] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5955] <... mkdirat resumed>)      = 0
[pid  5955] exit_group(0)               = ?
[pid  5955] +++ exited with 0 +++
[   65.853832][ T5955] bcachefs (loop3): done starting filesystem
[pid  5990] <... openat resumed>)       = 3
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=34 /* 0.34 s */} ---
[pid  5990] write(3, "1000", 4 <unfinished ...>
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5990] <... write resumed>)        = 4
[pid  5990] close(3 <unfinished ...>
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5833] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5990] <... close resumed>)        = 0
[pid  5833] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(3, 0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5833] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5990] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5990] <... symlink resumed>)      = 0
executing program
[pid  5833] unlink("./2/binderfs" <unfinished ...>
[pid  5990] write(1, "executing program\n", 18 <unfinished ...>
[pid  5833] <... unlink resumed>)       = 0
[pid  5990] <... write resumed>)        = 18
[pid  5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5990] memfd_create("syzkaller", 0) = 3
[pid  5990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5956] <... close resumed>)        = 0
[pid  5956] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5958] <... close resumed>)        = 0
[pid  5957] <... close resumed>)        = 0
[pid  5956] exit_group(0 <unfinished ...>
[pid  5957] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5958] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5957] <... mkdirat resumed>)      = 0
[pid  5958] <... mkdirat resumed>)      = 0
[pid  5958] exit_group(0 <unfinished ...>
[pid  5957] exit_group(0 <unfinished ...>
[pid  5958] <... exit_group resumed>)   = ?
[pid  5957] <... exit_group resumed>)   = ?
[pid  5958] +++ exited with 0 +++
[pid  5957] +++ exited with 0 +++
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=36 /* 0.36 s */} ---
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=39 /* 0.39 s */} ---
[pid  5834] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5956] <... exit_group resumed>)   = ?
[pid  5834] <... restart_syscall resumed>) = 0
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5834] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
[pid  5831] <... openat resumed>)       = 3
[pid  5834] newfstatat(3, "",  <unfinished ...>
[pid  5831] newfstatat(3, "",  <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5834] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[   65.984747][ T5833] bcachefs (loop3): shutting down
[   65.990228][ T5833] bcachefs (loop3): going read-only
[   66.000175][ T5833] bcachefs (loop3): finished waiting for writes to stop
[   66.021974][ T5833] bcachefs (loop3): flushing journal and stopping allocators, journal seq 3339
[pid  5834] unlink("./3/binderfs" <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] <... unlink resumed>)       = 0
[pid  5831] unlink("./3/binderfs" <unfinished ...>
[pid  5834] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] <... unlink resumed>)       = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./3/file0",  <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5956] +++ exited with 0 +++
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=40 /* 0.40 s */} ---
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] close(4 <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... close resumed>)        = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] rmdir("./3/file0" <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4 <unfinished ...>
[pid  5831] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./3/file0" <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] newfstatat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5831] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... openat resumed>)       = 3
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(3, "",  <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] <... openat resumed>)       = 4
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5831] newfstatat(4, "",  <unfinished ...>
[pid  5834] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] openat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] <... openat resumed>)       = 4
[pid  5832] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] unlink("./2/binderfs" <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  5832] <... unlink resumed>)       = 0
[pid  5831] <... close resumed>)        = 0
[pid  5832] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] rmdir("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... rmdir resumed>)        = 0
[pid  5832] newfstatat(AT_FDCWD, "./2/file0",  <unfinished ...>
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5832] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... close resumed>)        = 0
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5832] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] <... openat resumed>)       = 4
[pid  5831] rmdir("./3" <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5832] newfstatat(4, "",  <unfinished ...>
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] mkdir("./4", 0777 <unfinished ...>
[pid  5834] close(4 <unfinished ...>
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5834] <... close resumed>)        = 0
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5834] rmdir("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5834] <... rmdir resumed>)        = 0
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5832] close(4 <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] <... close resumed>)        = 0
[   66.089524][ T4369] bcachefs (loop3): bch2_write_super(): fatal error  loop3: Superblock write was silently dropped! (seq 0 expected 53)
[pid  5832] rmdir("./2/file0" <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5832] <... rmdir resumed>)        = 0
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5834] <... close resumed>)        = 0
[pid  5832] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5834] rmdir("./3" <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] <... close resumed>)        = 0
[pid  5834] <... rmdir resumed>)        = 0
[pid  5832] newfstatat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5991 attached
 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] mkdir("./4", 0777 <unfinished ...>
[pid  5832] openat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... mkdir resumed>)        = 0
[pid  5832] <... openat resumed>)       = 4
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 5991
[pid  5832] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5991] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5991] <... set_robust_list resumed>) = 0
[pid  5834] <... openat resumed>)       = 3
[pid  5991] chdir("./4" <unfinished ...>
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5991] <... chdir resumed>)        = 0
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5991] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5991] <... prctl resumed>)        = 0
[pid  5991] setpgid(0, 0 <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5991] <... setpgid resumed>)      = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] close(4)                    = 0
./strace-static-x86_64: Process 5992 attached
[pid  5991] <... openat resumed>)       = 3
[pid  5832] rmdir("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5832] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] close(3)                    = 0
[pid  5832] rmdir("./2")                = 0
[   66.136887][ T4369] bcachefs (loop3): fatal error - emergency read only
[pid  5832] mkdir("./3", 0777 <unfinished ...>
[pid  5992] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5991] write(3, "1000", 4 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 5992
[pid  5832] <... mkdir resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5992] <... set_robust_list resumed>) = 0
[pid  5991] <... write resumed>)        = 4
[pid  5832] <... openat resumed>)       = 3
[pid  5991] close(3 <unfinished ...>
[pid  5832] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5992] chdir("./4" <unfinished ...>
[pid  5991] <... close resumed>)        = 0
[pid  5992] <... chdir resumed>)        = 0
[pid  5991] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5832] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5992] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5991] <... symlink resumed>)      = 0
[pid  5990] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5832] close(3executing program
 <unfinished ...>
[pid  5991] write(1, "executing program\n", 18 <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5992] <... prctl resumed>)        = 0
[pid  5991] <... write resumed>)        = 18
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5992] setpgid(0, 0 <unfinished ...>
[pid  5991] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5992] <... setpgid resumed>)      = 0
[pid  5991] <... memfd_create resumed>) = 3
[pid  5832] <... clone resumed>, child_tidptr=0x555555ec3650) = 5993
./strace-static-x86_64: Process 5993 attached
[pid  5993] set_robust_list(0x555555ec3660, 24) = 0
[pid  5993] chdir("./3")                = 0
[pid  5993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5993] setpgid(0, 0 <unfinished ...>
[pid  5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5993] <... setpgid resumed>)      = 0
[pid  5991] <... mmap resumed>)         = 0x7f25a3800000
[pid  5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5992] <... openat resumed>)       = 3
[pid  5993] <... openat resumed>)       = 3
[pid  5993] write(3, "1000", 4)         = 4
[pid  5993] close(3)                    = 0
executing program
[pid  5993] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5992] write(3, "1000", 4)         = 4
[pid  5992] close(3 <unfinished ...>
[pid  5993] write(1, "executing program\n", 18) = 18
[pid  5993] memfd_create("syzkaller", 0) = 3
[pid  5993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5992] <... close resumed>)        = 0
[pid  5992] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5992] write(1, "executing program\n", 18) = 18
[   66.178270][ T5833] bcachefs (loop3): flushing journal and stopping allocators complete, journal seq 3342
[   66.193596][ T5833] bcachefs (loop3): unshutdown complete, journal seq 3342
[   66.208910][ T5833] bcachefs (loop3): done going read-only, filesystem not clean
[pid  5992] memfd_create("syzkaller", 0) = 3
[pid  5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   66.308651][ T5833] bcachefs (loop3): shutdown complete
[pid  5993] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5990] <... write resumed>)        = 16777216
[pid  5990] munmap(0x7f25a3800000, 138412032) = 0
[pid  5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5990] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5990] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5990] close(3)                    = 0
[pid  5990] close(4)                    = 0
[pid  5990] mkdir("./file0", 0777)      = 0
[   66.595338][ T5990] loop0: detected capacity change from 0 to 32768
[pid  5990] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5993] <... write resumed>)        = 16777216
[pid  5993] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5991] <... write resumed>)        = 16777216
[pid  5993] <... munmap resumed>)       = 0
[pid  5991] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  5993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5991] <... munmap resumed>)       = 0
[pid  5991] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5993] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5991] <... openat resumed>)       = 4
[pid  5991] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5993] <... ioctl resumed>)        = 0
[pid  5991] close(3 <unfinished ...>
[pid  5993] close(3 <unfinished ...>
[pid  5991] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = 0
[pid  5991] close(4 <unfinished ...>
[pid  5993] close(4 <unfinished ...>
[pid  5991] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = 0
[pid  5993] mkdir("./file0", 0777 <unfinished ...>
[pid  5991] mkdir("./file0", 0777 <unfinished ...>
[pid  5993] <... mkdir resumed>)        = 0
[pid  5991] <... mkdir resumed>)        = 0
[pid  5991] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5993] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  5992] <... write resumed>)        = 16777216
[pid  5992] munmap(0x7f25a3800000, 138412032) = 0
[   66.841830][ T5993] loop2: detected capacity change from 0 to 32768
[   66.842309][ T5991] loop1: detected capacity change from 0 to 32768
[pid  5992] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5992] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5992] close(3)                    = 0
[pid  5992] close(4)                    = 0
[pid  5992] mkdir("./file0", 0777)      = 0
[   66.913032][ T5992] loop4: detected capacity change from 0 to 32768
[   67.008822][ T5990] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   67.030308][ T5990] bcachefs (loop0): recovering from clean shutdown, journal seq 3338
[   67.041571][ T5990] bcachefs (loop0): Version upgrade required:
[   67.041571][ T5990] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   67.041571][ T5990] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   67.041571][ T5990]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   67.114031][ T5990] bcachefs (loop0): dropping and reconstructing all alloc info
[   67.131983][ T5990] bcachefs (loop0): accounting_read... done
[   67.152584][ T5993] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   67.170858][ T5990] bcachefs (loop0): alloc_read... done
[   67.178526][ T5990] bcachefs (loop0): stripes_read... done
[   67.179985][ T5992] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   67.194815][ T5990] bcachefs (loop0): snapshots_read... done
[   67.198826][ T5991] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   67.210800][ T5990] bcachefs (loop0): check_allocations...
[   67.215071][ T5991] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   67.215323][ T5993] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   67.220779][ T5992] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[pid  5992] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"...) = -1 EINVAL (Invalid argument)
[pid  5992] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5992] ioctl(3, LOOP_CLR_FD)       = 0
[   67.371219][ T5992] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5992] close(3 <unfinished ...>
[pid  5991] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5991] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[   67.419265][ T5991] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5991] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5991] close(3 <unfinished ...>
[pid  5833] <... umount2 resumed>)      = 0
[   67.461725][ T5990]  done
[   67.472357][ T5990] bcachefs (loop0): going read-write
[pid  5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5990] <... mount resumed>)        = 0
[pid  5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5833] newfstatat(4, "",  <unfinished ...>
[pid  5990] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5990] <... openat resumed>)       = 3
[pid  5833] getdents64(4,  <unfinished ...>
[pid  5990] chdir("./file0" <unfinished ...>
[pid  5833] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5990] <... chdir resumed>)        = 0
[pid  5833] getdents64(4,  <unfinished ...>
[pid  5990] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5833] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5833] close(4)                    = 0
[pid  5990] <... openat resumed>)       = 4
[pid  5833] rmdir("./2/file0")          = 0
[pid  5833] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5833] close(3)                    = 0
[pid  5833] rmdir("./2")                = 0
[pid  5833] mkdir("./3", 0777 <unfinished ...>
[pid  5990] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5833] <... mkdir resumed>)        = 0
[pid  5990] <... ioctl resumed>)        = 0
[pid  5990] close(4)                    = 0
[pid  5990] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5993] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5990] <... mkdirat resumed>)      = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5990] exit_group(0 <unfinished ...>
[pid  5833] <... openat resumed>)       = 3
[pid  5993] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5990] <... exit_group resumed>)   = ?
[pid  5833] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5833] close(3)                    = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5990] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} ---
[pid  5830] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5830] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./3/binderfs")      = 0
./strace-static-x86_64: Process 6025 attached
[pid  5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6025] set_robust_list(0x555555ec3660, 24) = 0
[pid  6025] chdir("./3")                = 0
[pid  6025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5993] <... openat resumed>)       = 3
[   67.529275][ T5990] bcachefs (loop0): done starting filesystem
[   67.550212][ T5993] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  6025] setpgid(0, 0)               = 0
[pid  6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6025] write(3, "1000", 4 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555555ec3650) = 6025
[pid  6025] <... write resumed>)        = 4
[pid  6025] close(3)                    = 0
[pid  6025] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6025] write(1, "executing program\n", 18) = 18
[pid  6025] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5993] ioctl(3, LOOP_CLR_FD)       = 0
[pid  6025] <... memfd_create resumed>) = 3
[pid  5993] close(3 <unfinished ...>
[pid  6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5992] <... close resumed>)        = 0
[   67.595249][ T5990] syz-executor145 (5990) used greatest stack depth: 17856 bytes left
[pid  5992] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5992] exit_group(0)               = ?
[pid  5992] +++ exited with 0 +++
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=44 /* 0.44 s */} ---
[pid  5834] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5834] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] unlink("./4/binderfs")      = 0
[pid  5834] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   67.646588][ T5830] bcachefs (loop0): shutting down
[   67.654327][ T5830] bcachefs (loop0): going read-only
[   67.659745][ T5830] bcachefs (loop0): finished waiting for writes to stop
[pid  5834] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4)                    = 0
[pid  5834] rmdir("./4/file0")          = 0
[pid  5834] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5834] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] close(4)                    = 0
[pid  5834] rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5834] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5834] close(3)                    = 0
[pid  5834] rmdir("./4" <unfinished ...>
[pid  5991] <... close resumed>)        = 0
[pid  5834] <... rmdir resumed>)        = 0
[pid  5991] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5834] mkdir("./5", 0777 <unfinished ...>
[pid  5991] <... mkdirat resumed>)      = 0
[pid  5834] <... mkdir resumed>)        = 0
[pid  5991] exit_group(0)               = ?
[pid  5991] +++ exited with 0 +++
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=44 /* 0.44 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5993] <... close resumed>)        = 0
[pid  5834] <... openat resumed>)       = 3
[pid  5993] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5831] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[   67.736185][ T5830] bcachefs (loop0): flushing journal and stopping allocators, journal seq 3340
[pid  5993] <... mkdirat resumed>)      = 0
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5834] <... close resumed>)        = 0
[pid  5831] newfstatat(3, "",  <unfinished ...>
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6026 attached
[pid  5831] getdents64(3,  <unfinished ...>
[pid  6026] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5993] exit_group(0 <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./4/binderfs")      = 0
[pid  5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 6026
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[pid  5831] rmdir("./4/file0" <unfinished ...>
[pid  6026] <... set_robust_list resumed>) = 0
[pid  5993] <... exit_group resumed>)   = ?
[pid  5831] <... rmdir resumed>)        = 0
[pid  5831] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[pid  5831] rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5831] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] close(3)                    = 0
[pid  5831] rmdir("./4")                = 0
[pid  5831] mkdir("./5", 0777 <unfinished ...>
[pid  6026] chdir("./5" <unfinished ...>
[pid  5993] +++ exited with 0 +++
[pid  5831] <... mkdir resumed>)        = 0
[pid  6026] <... chdir resumed>)        = 0
[pid  6026] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=37 /* 0.37 s */} ---
[pid  6026] <... prctl resumed>)        = 0
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6026] setpgid(0, 0)               = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  6026] <... openat resumed>)       = 3
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  6026] write(3, "1000", 4)         = 4
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  6026] close(3 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  6026] <... close resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  6026] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6026] <... symlink resumed>)      = 0
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 6027
./strace-static-x86_64: Process 6027 attached
[pid  6027] set_robust_list(0x555555ec3660, 24) = 0
[pid  6026] write(1, "executing program\n", 18 <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  6027] chdir("./5"executing program
 <unfinished ...>
[pid  6026] <... write resumed>)        = 18
[pid  6027] <... chdir resumed>)        = 0
[pid  5832] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6027] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6027] <... prctl resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[   67.814174][ T4369] bcachefs (loop0): bch2_write_super(): fatal error  loop0: Superblock write was silently dropped! (seq 0 expected 53)
[pid  6026] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6027] setpgid(0, 0 <unfinished ...>
[pid  6026] <... memfd_create resumed>) = 3
[pid  5832] <... openat resumed>)       = 3
[pid  6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] newfstatat(3, "",  <unfinished ...>
[pid  6027] <... setpgid resumed>)      = 0
[pid  6026] <... mmap resumed>)         = 0x7f25a3800000
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] getdents64(3,  <unfinished ...>
[pid  6027] <... openat resumed>)       = 3
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5832] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6027] write(3, "1000", 4 <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6027] <... write resumed>)        = 4
[pid  5832] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  6027] close(3 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6027] <... close resumed>)        = 0
[pid  5832] unlink("./3/binderfs" <unfinished ...>
[pid  6027] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5832] <... unlink resumed>)       = 0
executing program
[pid  6027] write(1, "executing program\n", 18 <unfinished ...>
[pid  5832] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6027] <... write resumed>)        = 18
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6027] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] newfstatat(AT_FDCWD, "./3/file0",  <unfinished ...>
[pid  6027] <... memfd_create resumed>) = 3
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6027] <... mmap resumed>)         = 0x7f25a3800000
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[   67.865013][ T4369] bcachefs (loop0): fatal error - emergency read only
[   67.893722][ T5830] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 3341
[pid  5832] close(4)                    = 0
[pid  5832] rmdir("./3/file0")          = 0
[pid  5832] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5832] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] close(4)                    = 0
[pid  5832] rmdir("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  6025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  5832] <... rmdir resumed>)        = 0
[pid  5832] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] close(3)                    = 0
[pid  5832] rmdir("./3")                = 0
[pid  5832] mkdir("./4", 0777)          = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5832] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5832] close(3)                    = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6028 attached
, child_tidptr=0x555555ec3650) = 6028
[pid  6028] set_robust_list(0x555555ec3660, 24) = 0
[pid  6028] chdir("./4")                = 0
[pid  6028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6028] setpgid(0, 0)               = 0
[pid  6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   67.920021][ T5830] bcachefs (loop0): unshutdown complete, journal seq 3341
[   67.944880][ T5830] bcachefs (loop0): done going read-only, filesystem not clean
[pid  6028] write(3, "1000", 4)         = 4
[pid  6028] close(3)                    = 0
[pid  6028] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  6028] write(1, "executing program\n", 18) = 18
[pid  6028] memfd_create("syzkaller", 0) = 3
[pid  6028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   68.023127][ T5830] bcachefs (loop0): shutdown complete
[pid  6027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6025] <... write resumed>)        = 16777216
[pid  6025] munmap(0x7f25a3800000, 138412032) = 0
[pid  6025] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  6025] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6025] close(3)                    = 0
[pid  6025] close(4)                    = 0
[pid  6025] mkdir("./file0", 0777)      = 0
[pid  6025] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[   68.309950][ T6025] loop3: detected capacity change from 0 to 32768
[pid  6028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6026] <... write resumed>)        = 16777216
[pid  6026] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  6027] <... write resumed>)        = 16777216
[pid  6027] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  6026] <... munmap resumed>)       = 0
[pid  6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  6026] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6027] <... munmap resumed>)       = 0
[pid  6027] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  6026] close(3 <unfinished ...>
[pid  6027] <... openat resumed>)       = 4
[pid  6026] <... close resumed>)        = 0
[pid  6027] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  6026] close(4)                    = 0
[pid  6026] mkdir("./file0", 0777)      = 0
[pid  6026] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  6027] <... ioctl resumed>)        = 0
[pid  6027] close(3)                    = 0
[pid  6027] close(4)                    = 0
[   68.490965][ T6026] loop4: detected capacity change from 0 to 32768
[   68.511496][ T6027] loop1: detected capacity change from 0 to 32768
[pid  6027] mkdir("./file0", 0777)      = 0
[pid  6028] <... write resumed>)        = 16777216
[pid  6027] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  6028] munmap(0x7f25a3800000, 138412032) = 0
[pid  6028] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  6028] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6028] close(3)                    = 0
[pid  6028] close(4)                    = 0
[pid  6028] mkdir("./file0", 0777)      = 0
[   68.602593][ T6028] loop2: detected capacity change from 0 to 32768
[   68.840934][ T6027] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   68.855008][ T6025] bcachefs (loop3): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   68.876193][ T6026] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   68.903476][ T6026] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   68.904214][ T6027] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   68.917331][ T6028] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   68.935334][ T6028] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   68.954154][ T6025] bcachefs (loop3): recovering from clean shutdown, journal seq 3338
[   68.993529][ T6025] bcachefs (loop3): Version upgrade required:
[   68.993529][ T6025] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   68.993529][ T6025] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[pid  6028] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"...) = -1 EINVAL (Invalid argument)
[pid  6028] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  6028] ioctl(3, LOOP_CLR_FD)       = 0
[pid  6028] close(3 <unfinished ...>
[pid  6026] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  6026] ioctl(3, LOOP_CLR_FD)       = 0
[   68.993529][ T6025]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   69.071045][ T6028] bcachefs: bch2_fs_get_tree() error: EINVAL
[   69.084943][ T6026] bcachefs: bch2_fs_get_tree() error: EINVAL
[   69.116749][ T6025] bcachefs (loop3): dropping and reconstructing all alloc info
[pid  6026] close(3 <unfinished ...>
[pid  6027] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5830] <... umount2 resumed>)      = 0
[pid  5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("./3/file0")          = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5830] close(3)                    = 0
[pid  5830] rmdir("./3" <unfinished ...>
[pid  6027] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5830] <... rmdir resumed>)        = 0
[pid  6027] <... openat resumed>)       = 3
[pid  5830] mkdir("./4", 0777 <unfinished ...>
[pid  6027] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] <... mkdir resumed>)        = 0
[pid  6027] <... ioctl resumed>)        = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  6027] close(3 <unfinished ...>
[pid  5830] <... openat resumed>)       = 3
[pid  5830] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5830] close(3)                    = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ec3650) = 6058
./strace-static-x86_64: Process 6058 attached
[   69.184522][ T6027] bcachefs: bch2_fs_get_tree() error: EINVAL
[   69.209483][ T6025] bcachefs (loop3): accounting_read... done
[pid  6058] set_robust_list(0x555555ec3660, 24) = 0
[pid  6058] chdir("./4")                = 0
[pid  6058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6058] setpgid(0, 0)               = 0
[pid  6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6058] write(3, "1000", 4)         = 4
[pid  6058] close(3)                    = 0
[pid  6058] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6058] write(1, "executing program\n", 18executing program
) = 18
[pid  6058] memfd_create("syzkaller", 0) = 3
[pid  6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   69.232366][ T6025] bcachefs (loop3): alloc_read... done
[   69.254150][ T6025] bcachefs (loop3): stripes_read... done
[   69.283411][ T6025] bcachefs (loop3): snapshots_read... done
[pid  6028] <... close resumed>)        = 0
[pid  6028] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  6028] exit_group(0)               = ?
[pid  6028] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=37 /* 0.37 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6026] <... close resumed>)        = 0
[pid  5832] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5832] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] unlink("./4/binderfs" <unfinished ...>
[pid  6026] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5832] <... unlink resumed>)       = 0
[pid  6026] <... mkdirat resumed>)      = 0
[pid  5832] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6026] exit_group(0 <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6026] <... exit_group resumed>)   = ?
[pid  5832] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5832] newfstatat(4, "",  <unfinished ...>
[pid  6026] +++ exited with 0 +++
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=40 /* 0.40 s */} ---
[pid  5834] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5834] <... restart_syscall resumed>) = 0
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5834] newfstatat(3, "",  <unfinished ...>
[pid  5832] getdents64(4,  <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6027] <... close resumed>)        = 0
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] close(4 <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  6027] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5834] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] <... close resumed>)        = 0
[pid  5834] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5832] rmdir("./4/file0" <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] <... rmdir resumed>)        = 0
[pid  5832] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] unlink("./5/binderfs" <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5834] <... unlink resumed>)       = 0
[pid  5834] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./5/file0",  <unfinished ...>
[pid  5832] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
[pid  5832] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] <... openat resumed>)       = 4
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  6027] <... mkdirat resumed>)      = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5832] close(4 <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5832] <... close resumed>)        = 0
[pid  5834] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5832] rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5834] close(4)                    = 0
[pid  5832] <... rmdir resumed>)        = 0
[pid  5834] rmdir("./5/file0" <unfinished ...>
[pid  6027] exit_group(0 <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5834] umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6027] <... exit_group resumed>)   = ?
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5834] umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] close(3 <unfinished ...>
[pid  5834] openat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5832] rmdir("./4" <unfinished ...>
[pid  5834] <... openat resumed>)       = 4
[pid  6027] +++ exited with 0 +++
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5832] <... rmdir resumed>)        = 0
[   69.320654][ T6025] bcachefs (loop3): check_allocations... done
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] mkdir("./5", 0777 <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=44 /* 0.44 s */} ---
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5832] <... mkdir resumed>)        = 0
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5832] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5832] close(3)                    = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5831] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6059 attached
[pid  5832] <... clone resumed>, child_tidptr=0x555555ec3650) = 6059
[pid  5831] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./5/binderfs")      = 0
[pid  5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6059] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5831] newfstatat(AT_FDCWD, "./5/file0",  <unfinished ...>
[pid  6059] <... set_robust_list resumed>) = 0
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6059] chdir("./5" <unfinished ...>
[pid  5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6059] <... chdir resumed>)        = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6059] <... prctl resumed>)        = 0
[pid  5831] <... openat resumed>)       = 4
[pid  6059] setpgid(0, 0 <unfinished ...>
[pid  5831] newfstatat(4, "",  <unfinished ...>
[pid  6059] <... setpgid resumed>)      = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5834] close(4 <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  6059] <... openat resumed>)       = 3
[pid  5834] <... close resumed>)        = 0
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  6059] write(3, "1000", 4 <unfinished ...>
[pid  5831] getdents64(4,  <unfinished ...>
[pid  6059] <... write resumed>)        = 4
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  6059] close(3 <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  6059] <... close resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  6059] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5831] rmdir("./5/file0"executing program
 <unfinished ...>
[pid  6059] <... symlink resumed>)      = 0
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] rmdir("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  5831] umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  6059] write(1, "executing program\n", 18 <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6059] <... write resumed>)        = 18
[pid  5831] umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6059] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6059] <... memfd_create resumed>) = 3
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] getdents64(4,  <unfinished ...>
[pid  6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  6059] <... mmap resumed>)         = 0x7f25a3800000
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] getdents64(4,  <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./5" <unfinished ...>
[pid  5831] close(4 <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... close resumed>)        = 0
[pid  5831] rmdir("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5834] mkdir("./6", 0777 <unfinished ...>
[pid  5831] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[   69.460761][ T6025] bcachefs (loop3): going read-write
[pid  5831] close(3)                    = 0
[pid  5834] <... mkdir resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5834] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5831] rmdir("./5" <unfinished ...>
[pid  5834] close(3)                    = 0
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] mkdir("./6", 0777)          = 0
./strace-static-x86_64: Process 6062 attached
[pid  6062] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 6062
[pid  6062] <... set_robust_list resumed>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  6062] chdir("./6")                = 0
[pid  5831] <... openat resumed>)       = 3
[pid  6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  6062] setpgid(0, 0 <unfinished ...>
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  6062] <... setpgid resumed>)      = 0
[pid  5831] close(3 <unfinished ...>
[pid  6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... close resumed>)        = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6063 attached
, child_tidptr=0x555555ec3650) = 6063
[pid  6063] set_robust_list(0x555555ec3660, 24) = 0
[pid  6063] chdir("./6")                = 0
[pid  6063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6063] setpgid(0, 0)               = 0
[pid  6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6063] write(3, "1000", 4)         = 4
[pid  6063] close(3)                    = 0
[pid  6062] <... openat resumed>)       = 3
[pid  6063] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  6062] write(3, "1000", 4 <unfinished ...>
[pid  6063] write(1, "executing program\n", 18) = 18
[pid  6063] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6025] <... mount resumed>)        = 0
[pid  6063] <... memfd_create resumed>) = 3
[pid  6025] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  6025] <... openat resumed>)       = 3
[pid  6063] <... mmap resumed>)         = 0x7f25a3800000
[pid  6025] chdir("./file0" <unfinished ...>
[pid  6062] <... write resumed>)        = 4
[pid  6025] <... chdir resumed>)        = 0
[pid  6062] close(3 <unfinished ...>
[pid  6025] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6062] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6025] <... openat resumed>)       = 4
[pid  6025] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6025] close(4)                    = 0
[pid  6025] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program
 <unfinished ...>
[pid  6062] <... symlink resumed>)      = 0
[pid  6062] write(1, "executing program\n", 18) = 18
[pid  6025] <... mkdirat resumed>)      = 0
[pid  6025] exit_group(0 <unfinished ...>
[pid  6062] memfd_create("syzkaller", 0 <unfinished ...>
[pid  6025] <... exit_group resumed>)   = ?
[pid  6062] <... memfd_create resumed>) = 3
[   69.502891][ T6025] bcachefs (loop3): done starting filesystem
[pid  6062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  6025] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=29 /* 0.29 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6062] <... mmap resumed>)         = 0x7f25a3800000
[pid  5833] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(3, 0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5833] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] unlink("./3/binderfs")      = 0
[   69.627252][ T5833] bcachefs (loop3): shutting down
[   69.632332][ T5833] bcachefs (loop3): going read-only
[   69.677659][ T5833] bcachefs (loop3): finished waiting for writes to stop
[pid  5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[   69.752603][ T5833] bcachefs (loop3): flushing journal and stopping allocators, journal seq 3340
[   69.835707][ T4369] bcachefs (loop3): bch2_write_super(): fatal error  loop3: Superblock write was silently dropped! (seq 0 expected 53)
[pid  6058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[   69.884558][ T4369] bcachefs (loop3): fatal error - emergency read only
[   69.893391][ T5833] bcachefs (loop3): flushing journal and stopping allocators complete, journal seq 3342
[pid  6062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[   69.934989][ T5833] bcachefs (loop3): unshutdown complete, journal seq 3342
[   69.943101][ T5833] bcachefs (loop3): done going read-only, filesystem not clean
[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 <unfinished ...>
[pid  6059] <... write resumed>)        = 16777216
[   70.019421][ T5833] bcachefs (loop3): shutdown complete
[pid  6059] munmap(0x7f25a3800000, 138412032) = 0
[pid  6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  6059] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  6058] <... write resumed>)        = 16777216
[pid  6059] <... ioctl resumed>)        = 0
[pid  6059] close(3 <unfinished ...>
[pid  6058] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  6059] <... close resumed>)        = 0
[pid  6059] close(4)                    = 0
[pid  6059] mkdir("./file0", 0777)      = 0
[pid  6059] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  6058] <... munmap resumed>)       = 0
[pid  6058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  6058] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6058] close(3)                    = 0
[pid  6058] close(4)                    = 0
[pid  6058] mkdir("./file0", 0777)      = 0
[   70.095836][ T6059] loop2: detected capacity change from 0 to 32768
[   70.132719][ T6058] loop0: detected capacity change from 0 to 32768
[pid  6058] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  6062] <... write resumed>)        = 16777216
[pid  6063] <... write resumed>)        = 16777216
[pid  6063] munmap(0x7f25a3800000, 138412032 <unfinished ...>
[pid  6062] munmap(0x7f25a3800000, 138412032) = 0
[pid  6063] <... munmap resumed>)       = 0
[pid  6062] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  6063] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  6062] <... openat resumed>)       = 4
[pid  6063] <... openat resumed>)       = 4
[pid  6062] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  6063] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  6062] <... ioctl resumed>)        = 0
[pid  6063] <... ioctl resumed>)        = 0
[pid  6062] close(3 <unfinished ...>
[pid  6063] close(3 <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6063] <... close resumed>)        = 0
[pid  6063] close(4 <unfinished ...>
[pid  6062] close(4 <unfinished ...>
[pid  6063] <... close resumed>)        = 0
[pid  6063] mkdir("./file0", 0777 <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6062] mkdir("./file0", 0777 <unfinished ...>
[pid  6063] <... mkdir resumed>)        = 0
[pid  6062] <... mkdir resumed>)        = 0
[pid  6062] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[   70.271350][ T6062] loop4: detected capacity change from 0 to 32768
[   70.272195][ T6063] loop1: detected capacity change from 0 to 32768
[   70.539772][ T6058] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   70.539996][ T6059] bcachefs (loop2): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fix_errors=ask,norecovery,nojournal_transaction_names,noexcl,reconstruct_alloc,nocow,no_data_io
[   70.549014][ T6058] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   70.573558][ T6059] bcachefs (loop2): recovering from clean shutdown, journal seq 3338
[   70.587834][ T6059] bcachefs (loop2): Version upgrade required:
[   70.587834][ T6059] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   70.587834][ T6059] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   70.587834][ T6059]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[   70.596306][ T6062] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   70.683012][ T6063] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   70.692924][ T6062] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   70.713915][ T6063] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   70.734533][ T6059] bcachefs (loop2): dropping and reconstructing all alloc info
[pid  6063] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[pid  6058] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  6058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  6058] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  6062] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  6058] <... ioctl resumed>)        = 0
[pid  6062] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  6058] close(3 <unfinished ...>
[   70.787732][ T6059] bcachefs (loop2): accounting_read... done
[   70.812024][ T6058] bcachefs: bch2_fs_get_tree() error: EINVAL
[   70.812871][ T6059] bcachefs (loop2): alloc_read...
[   70.834297][ T6062] bcachefs: bch2_fs_get_tree() error: EINVAL
[   70.843348][ T6059]  done
[   70.848343][ T6059] bcachefs (loop2): stripes_read... done
[pid  6062] ioctl(3, LOOP_CLR_FD)       = 0
[pid  6062] close(3 <unfinished ...>
[pid  6063] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  6063] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  6063] ioctl(3, LOOP_CLR_FD)       = 0
[   70.879560][ T6059] bcachefs (loop2): snapshots_read... done
[   70.894571][ T6059] bcachefs (loop2): check_allocations...
[   70.898464][ T6063] bcachefs: bch2_fs_get_tree() error: EINVAL
[   70.967731][ T6059]  done
[   71.005206][ T6059] bcachefs (loop2): going read-write
[pid  6063] close(3 <unfinished ...>
[pid  6059] <... mount resumed>)        = 0
[pid  6059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  6059] chdir("./file0")            = 0
[pid  6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  6059] ioctl(4, LOOP_CLR_FD)       = 0
[pid  6059] close(4)                    = 0
[pid  6059] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid  5833] <... umount2 resumed>)      = 0
[pid  6059] exit_group(0)               = ?
[pid  6059] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=37 /* 0.37 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5833] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5833] close(4)                    = 0
[pid  5833] rmdir("./3/file0")          = 0
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] getdents64(3,  <unfinished ...>
[pid  5832] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5833] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5832] newfstatat(3, "",  <unfinished ...>
[pid  5833] close(3 <unfinished ...>
[pid  5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] <... close resumed>)        = 0
[   71.070495][ T6059] bcachefs (loop2): done starting filesystem
[pid  5832] getdents64(3,  <unfinished ...>
[pid  5833] rmdir("./3" <unfinished ...>
[pid  5832] <... getdents64 resumed>0x555555ec46f0 /* 4 entries */, 32768) = 112
[pid  5832] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5832] unlink("./5/binderfs" <unfinished ...>
[pid  5833] <... rmdir resumed>)        = 0
[pid  5832] <... unlink resumed>)       = 0
[pid  5832] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5833] mkdir("./4", 0777)          = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5833] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5833] close(3)                    = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6095 attached
 <unfinished ...>
[pid  6095] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555555ec3650) = 6095
[pid  6095] <... set_robust_list resumed>) = 0
[pid  6095] chdir("./4" <unfinished ...>
[pid  6058] <... close resumed>)        = 0
[pid  6095] <... chdir resumed>)        = 0
[pid  6095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6095] setpgid(0, 0)               = 0
[pid  6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6058] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program
 <unfinished ...>
[pid  6095] write(3, "1000", 4 <unfinished ...>
[pid  6058] <... mkdirat resumed>)      = 0
[pid  6058] exit_group(0 <unfinished ...>
[pid  6095] <... write resumed>)        = 4
[pid  6095] close(3)                    = 0
[pid  6095] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6095] write(1, "executing program\n", 18) = 18
[pid  6058] <... exit_group resumed>)   = ?
[pid  6095] memfd_create("syzkaller", 0) = 3
[pid  6095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  6058] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=42 /* 0.42 s */} ---
[pid  5830] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5830] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./4/binderfs")      = 0
[pid  5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./4/file0",  <unfinished ...>
[pid  6063] <... close resumed>)        = 0
[pid  6062] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  6062] <... mkdirat resumed>)      = 0
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6062] exit_group(0 <unfinished ...>
[pid  6063] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 <unfinished ...>
[pid  6062] <... exit_group resumed>)   = ?
[pid  5830] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4 <unfinished ...>
[pid  6063] <... mkdirat resumed>)      = 0
[pid  5830] <... close resumed>)        = 0
[pid  5830] rmdir("./4/file0")          = 0
[pid  6062] +++ exited with 0 +++
[pid  5830] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6063] exit_group(0 <unfinished ...>
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5830] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid  5830] getdents64(3, 0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5830] close(3)                    = 0
[   71.164916][ T5832] bcachefs (loop2): shutting down
[   71.174203][ T5832] bcachefs (loop2): going read-only
[   71.202135][ T5832] bcachefs (loop2): finished waiting for writes to stop
[pid  5830] rmdir("./4")                = 0
[pid  6063] <... exit_group resumed>)   = ?
[pid  5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=29 /* 0.29 s */} ---
[pid  5834] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  6063] +++ exited with 0 +++
[pid  5834] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=45 /* 0.45 s */} ---
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5830] mkdir("./5", 0777 <unfinished ...>
[pid  5834] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] <... mkdir resumed>)        = 0
[pid  5834] newfstatat(3, "",  <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5834] getdents64(3, 0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5830] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5830] close(3)                    = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] unlink("./6/binderfs")      = 0
[pid  5830] <... clone resumed>, child_tidptr=0x555555ec3650) = 6096
./strace-static-x86_64: Process 6096 attached
[pid  5834] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] newfstatat(AT_FDCWD, "./6/file0",  <unfinished ...>
[pid  5831] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(3, "",  <unfinished ...>
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 5 entries */, 32768) = 384
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] close(4 <unfinished ...>
[pid  5831] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] rmdir("./6/file0" <unfinished ...>
[pid  5831] unlink("./6/binderfs" <unfinished ...>
[pid  6096] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... unlink resumed>)       = 0
[pid  6096] <... set_robust_list resumed>) = 0
[pid  5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6096] chdir("./5" <unfinished ...>
[pid  5834] umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6096] <... chdir resumed>)        = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./6/file0",  <unfinished ...>
[pid  6096] setpgid(0, 0 <unfinished ...>
[pid  5834] newfstatat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6096] <... setpgid resumed>)      = 0
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   71.237905][ T5832] bcachefs (loop2): flushing journal and stopping allocators, journal seq 3340
[pid  5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5834] umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5834] newfstatat(4, "",  <unfinished ...>
[pid  5831] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] <... openat resumed>)       = 4
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] newfstatat(4, "",  <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5834] getdents64(4,  <unfinished ...>
[pid  5831] close(4)                    = 0
[pid  5834] <... getdents64 resumed>0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] rmdir("./6/file0" <unfinished ...>
[pid  5834] close(4 <unfinished ...>
[pid  5831] <... rmdir resumed>)        = 0
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  6096] <... openat resumed>)       = 3
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5834] getdents64(3,  <unfinished ...>
[pid  5831] newfstatat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",  <unfinished ...>
[pid  5834] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  6096] write(3, "1000", 4 <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5834] <... close resumed>)        = 0
[pid  5834] rmdir("./6" <unfinished ...>
[pid  5831] umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... rmdir resumed>)        = 0
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5831] openat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5831] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  6096] <... write resumed>)        = 4
[pid  5834] mkdir("./7", 0777 <unfinished ...>
[pid  6096] close(3 <unfinished ...>
[pid  5834] <... mkdir resumed>)        = 0
[pid  5831] getdents64(4, 0x555555ecc730 /* 2 entries */, 32768) = 48
[pid  5831] getdents64(4, 0x555555ecc730 /* 0 entries */, 32768) = 0
[pid  5831] close(4)                    = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] rmdir("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" <unfinished ...>
[pid  6096] <... close resumed>)        = 0
[pid  6096] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
executing program
[pid  6096] <... symlink resumed>)      = 0
[pid  6096] write(1, "executing program\n", 18 <unfinished ...>
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  6096] <... write resumed>)        = 18
[pid  6096] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] <... rmdir resumed>)        = 0
[pid  6096] <... memfd_create resumed>) = 3
[pid  5834] close(3 <unfinished ...>
[pid  6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  5834] <... close resumed>)        = 0
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555555ec46f0 /* 0 entries */, 32768) = 0
[pid  5831] close(3./strace-static-x86_64: Process 6097 attached
)                    = 0
[pid  5831] rmdir("./6")                = 0
[pid  6097] set_robust_list(0x555555ec3660, 24 <unfinished ...>
[pid  5834] <... clone resumed>, child_tidptr=0x555555ec3650) = 6097
[pid  5831] mkdir("./7", 0777 <unfinished ...>
[pid  6097] <... set_robust_list resumed>) = 0
[pid  5831] <... mkdir resumed>)        = 0
[pid  6097] chdir("./7")                = 0
[pid  6097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  6097] <... prctl resumed>)        = 0
[pid  5831] <... openat resumed>)       = 3
[   71.309148][ T5832] bcachefs (loop2): flushing journal and stopping allocators complete, journal seq 3341
[pid  6097] setpgid(0, 0)               = 0
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] close(3)                    = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6097] <... openat resumed>)       = 3
[pid  6097] write(3, "1000", 4 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x555555ec3650) = 6098
[pid  6097] <... write resumed>)        = 4
[pid  6097] close(3)                    = 0
[pid  6097] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6097] write(1, "executing program\n", 18./strace-static-x86_64: Process 6098 attached
) = 18
[pid  6097] memfd_create("syzkaller", 0) = 3
[pid  6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[pid  6098] set_robust_list(0x555555ec3660, 24) = 0
[pid  6098] chdir("./7")                = 0
[pid  6098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6098] setpgid(0, 0)               = 0
[   71.364850][   T35] bcachefs (loop2): bch2_write_super(): fatal error  loop2: Superblock write was silently dropped! (seq 0 expected 53)
[   71.381626][ T5832] bcachefs (loop2): unshutdown complete, journal seq 3342
[pid  6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6098] write(3, "1000", 4)         = 4
[pid  6098] close(3)                    = 0
[pid  6098] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6098] write(1, "executing program\n", 18) = 18
[pid  6098] memfd_create("syzkaller", 0) = 3
[pid  6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25a3800000
[   71.434815][   T35] bcachefs (loop2): fatal error - emergency read only
[   71.473883][   T35] ------------[ cut here ]------------
[   71.479620][   T35] kernel BUG at fs/bcachefs/journal.h:375!
[   71.520603][   T35] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[   71.527599][   T35] CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0
[   71.538285][   T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[   71.548352][   T35] Workqueue: btree_update btree_interior_update_work
[   71.555061][   T35] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0
[   71.561144][   T35] Code: fd 90 0f 0b e8 ff 75 78 fd 90 0f 0b e8 f7 75 78 fd 90 0f 0b e8 ef 75 78 fd 90 0f 0b e8 e7 75 78 fd 90 0f 0b e8 df 75 78 fd 90 <0f> 0b e8 d7 75 78 fd 90 0f 0b e8 cf 75 78 fd 90 0f 0b e8 c7 75 78
[   71.580769][   T35] RSP: 0000:ffffc90000ab76c0 EFLAGS: 00010293
[   71.586830][   T35] RAX: ffffffff841c6421 RBX: 0000000000000000 RCX: ffff88801dae9e00
[   71.594798][   T35] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   71.602763][   T35] RBP: ffffc90000ab7890 R08: ffffffff841c0758 R09: 1ffff1100d8b94a8
[   71.610726][   T35] R10: dffffc0000000000 R11: ffffed100d8b94a9 R12: ffff88806c580000
[   71.618685][   T35] R13: ffff88806c5ca500 R14: 0000000000000044 R15: ffff88807b7480d0
[   71.626648][   T35] FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   71.635566][   T35] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.642137][   T35] CR2: 00007f25a4501000 CR3: 0000000035b32000 CR4: 00000000003526f0
[   71.650103][   T35] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   71.658064][   T35] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   71.666026][   T35] Call Trace:
[   71.669295][   T35]  <TASK>
[   71.672222][   T35]  ? __die_body+0x5f/0xb0
[   71.676543][   T35]  ? die+0x9e/0xc0
[   71.680253][   T35]  ? do_trap+0x15a/0x3a0
[   71.684486][   T35]  ? __bch2_trans_commit+0x9232/0x93c0
[   71.689948][   T35]  ? do_error_trap+0x1dc/0x2c0
[   71.694700][   T35]  ? __bch2_trans_commit+0x9232/0x93c0
[   71.700151][   T35]  ? __pfx_do_error_trap+0x10/0x10
[   71.705253][   T35]  ? report_bug+0x3e8/0x500
[   71.709757][   T35]  ? handle_invalid_op+0x34/0x40
[   71.714686][   T35]  ? __bch2_trans_commit+0x9232/0x93c0
[   71.720134][   T35]  ? exc_invalid_op+0x38/0x50
[   71.724801][   T35]  ? asm_exc_invalid_op+0x1a/0x20
[   71.729815][   T35]  ? __bch2_trans_commit+0x3568/0x93c0
[   71.735265][   T35]  ? __bch2_trans_commit+0x9231/0x93c0
[   71.740714][   T35]  ? __bch2_trans_commit+0x9232/0x93c0
[   71.746169][   T35]  ? __pfx___bch2_trans_commit+0x10/0x10
[   71.751793][   T35]  ? bch2_dev_btree_bitmap_marked+0x2f/0xda0
[   71.757764][   T35]  ? __bch2_trans_jset_entry_alloc+0x2c7/0x4b0
[   71.763912][   T35]  ? btree_interior_update_work+0x117a/0x2b10
[   71.769968][   T35]  btree_interior_update_work+0x1492/0x2b10
[   71.775861][   T35]  ? __pfx_btree_interior_update_work+0x10/0x10
[   71.782096][   T35]  ? __pfx_lock_acquire+0x10/0x10
[   71.787110][   T35]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   71.793081][   T35]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   71.799403][   T35]  ? process_scheduled_works+0x976/0x1850
[   71.805113][   T35]  process_scheduled_works+0xa63/0x1850
[   71.810655][   T35]  ? __pfx_process_scheduled_works+0x10/0x10
[   71.816629][   T35]  ? assign_work+0x364/0x3d0
[   71.821211][   T35]  worker_thread+0x870/0xd30
[   71.825796][   T35]  ? __kthread_parkme+0x169/0x1d0
[   71.830812][   T35]  ? __pfx_worker_thread+0x10/0x10
[   71.835916][   T35]  kthread+0x2f0/0x390
[   71.839974][   T35]  ? __pfx_worker_thread+0x10/0x10
[   71.845077][   T35]  ? __pfx_kthread+0x10/0x10
[   71.849652][   T35]  ret_from_fork+0x4b/0x80
[   71.854064][   T35]  ? __pfx_kthread+0x10/0x10
[   71.858641][   T35]  ret_from_fork_asm+0x1a/0x30
[   71.863404][   T35]  </TASK>
[   71.866410][   T35] Modules linked in:
[   71.870698][   T35] ---[ end trace 0000000000000000 ]---
[pid  6095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid  6095] <... write resumed>)        = 16777216
[pid  6095] munmap(0x7f25a3800000, 138412032) = 0
[pid  6095] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  6095] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  6095] close(3)                    = 0
[pid  6095] close(4)                    = 0
[pid  6095] mkdir("./file0", 0777)      = 0
[pid  6095] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "\x62\x61\x63\x6b\x67\x72\x6f\x75\x6e\xfd\xff\x63\x6f\x6d\x70\x72\x65\x33\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x72\x65\x63\x6f\x6e\x73\x74\x72\x75\x63\x74\x5f\x61\x6c\x6c\x6f\x63\x2c\x6e\x6f\x63\x6f\x77\x2c\x6e\x6f\x65\x78\x63\x6c\x2c\x62\x74\x72\x65\x65\x5f\x6e\x6f\x64\x65\x5f\x70\x72\x65\x66\x65\x74\x63\x68\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x73\x68\x61\x72\x64\x5f\x69\x6e\x6f\x64\x65"... <unfinished ...>
[   71.994225][ T6095] loop3: detected capacity change from 0 to 32768
[   72.001422][   T35] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0
[   72.007957][   T35] Code: fd 90 0f 0b e8 ff 75 78 fd 90 0f 0b e8 f7 75 78 fd 90 0f 0b e8 ef 75 78 fd 90 0f 0b e8 e7 75 78 fd 90 0f 0b e8 df 75 78 fd 90 <0f> 0b e8 d7 75 78 fd 90 0f 0b e8 cf 75 78 fd 90 0f 0b e8 c7 75 78
[   72.039573][   T35] RSP: 0000:ffffc90000ab76c0 EFLAGS: 00010293
[   72.053779][   T35] RAX: ffffffff841c6421 RBX: 0000000000000000 RCX: ffff88801dae9e00
[   72.070675][   T35] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   72.079962][   T35] RBP: ffffc90000ab7890 R08: ffffffff841c0758 R09: 1ffff1100d8b94a8
[   72.089301][   T35] R10: dffffc0000000000 R11: ffffed100d8b94a9 R12: ffff88806c580000
[   72.100733][   T35] R13: ffff88806c5ca500 R14: 0000000000000044 R15: ffff88807b7480d0
[   72.111809][   T35] FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   72.132089][   T35] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.139155][   T35] CR2: 00007f25a47ff000 CR3: 0000000034ff6000 CR4: 00000000003526f0
[   72.143826][ T6095] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   72.148244][   T35] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   72.165080][   T35] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   72.173083][   T35] Kernel panic - not syncing: Fatal exception
[   72.179411][   T35] Kernel Offset: disabled
[   72.183746][   T35] Rebooting in 86400 seconds..