./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2856450914

<...>
Warning: Permanently added '10.128.10.49' (ED25519) to the list of known hosts.
execve("./syz-executor2856450914", ["./syz-executor2856450914"], 0x7fffa2afa920 /* 10 vars */) = 0
brk(NULL)                               = 0x55555e932000
brk(0x55555e932d00)                     = 0x55555e932d00
arch_prctl(ARCH_SET_FS, 0x55555e932380) = 0
set_tid_address(0x55555e932650)         = 5822
set_robust_list(0x55555e932660, 24)     = 0
rseq(0x55555e932ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2856450914", 4096) = 28
getrandom("\xbc\x2e\x49\xdd\x32\xd5\xd5\x3e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555e932d00
brk(0x55555e953d00)                     = 0x55555e953d00
brk(0x55555e954000)                     = 0x55555e954000
mprotect(0x7f362e994000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5823 attached
 <unfinished ...>
[pid  5823] set_robust_list(0x55555e932660, 24 <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55555e932650) = 5823
[pid  5823] <... set_robust_list resumed>) = 0
[pid  5822] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "10000000000", 11) = 11
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "20", 2)           = 2
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "1", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "0", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "0", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "1", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "100", 3)          = 3
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "0", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "0", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "7 4 1 3", 7)      = 7
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "1", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "1", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "0", 1)            = 1
[pid  5822] close(3)                    = 0
[pid  5822] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] write(3, "5823", 4)         = 4
[pid  5822] close(3)                    = 0
[pid  5822] kill(5823, SIGKILL)         = 0
[pid  5823] +++ killed by SIGKILL +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5823, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3
write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3
write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24
close(3)                                = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5824 attached
 <unfinished ...>
[pid  5824] set_robust_list(0x55555e932660, 24 <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55555e932650) = 5824
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5824] getppid()                   = 0
[pid  5824] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5824] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5824] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5824] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5824] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5824] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5824] unshare(CLONE_NEWNS)        = 0
[pid  5824] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] unshare(CLONE_NEWIPC)       = 0
[pid  5824] unshare(CLONE_NEWCGROUP)    = 0
[pid  5824] unshare(CLONE_NEWUTS)       = 0
[pid  5824] unshare(CLONE_SYSVSEM)      = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "16777216", 8)     = 8
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "536870912", 9)    = 9
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "1024", 4)         = 4
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "8192", 4)         = 4
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "1024", 4)         = 4
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "1024", 4)         = 4
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5824] close(3)                    = 0
[pid  5824] getpid()                    = 1
[pid  5824] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5824] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5824] unshare(CLONE_NEWNET)       = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "0 65535", 7)      = 7
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "100000", 6)       = 6
[pid  5824] close(3)                    = 0
[pid  5824] mkdir("./syz-tmp", 0777)    = 0
[pid  5824] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5824] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5824] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5824] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5824] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5824] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5824] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5824] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5824] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5824] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5824] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5824] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5824] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5824] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5824] chdir("/")                  = 0
[pid  5824] umount2("./pivot", MNT_DETACH) = 0
[pid  5824] chroot("./newroot")         = 0
[pid  5824] chdir("/")                  = 0
[pid  5824] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5824] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5824] mkdir("/dev/binderfs", 0777) = 0
[pid  5824] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5824] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5824] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5824] write(1, "executing program\n", 18executing program
) = 18
[pid  5824] memfd_create("syzkaller", 0) = 3
[pid  5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3626400000
[pid  5824] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5824] munmap(0x7f3626400000, 138412032) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5824] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5824] close(3)                    = 0
[pid  5824] close(4)                    = 0
[pid  5824] mkdir("./file0", 0777)      = 0
[pid  5824] mount("/dev/loop0", "./file0", "ntfs3", MS_I_VERSION, "\x77\x69\x6e\x64\x6f\x77\x73\x5f\x6e\x61\x6d\x65\x73\x2c\x77\x69\x6e\x64\x6f\x77\x73\x5f\x6e\x61\x6d\x65\x73\x2c\x68\x69\x64\x65\x5f\x64\x6f\x74\x5f\x66\x69\x6c\x65\x73\x2c\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x6d\x61\x63\x72\x6f\x6d\x61\x6e\x69\x61\x6e\x2c\x70\x72\x65\x61\x08") = -1 EINVAL (Invalid argument)
[pid  5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5824] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5824] close(3)                    = 0
[   72.461794][ T5824] loop0: detected capacity change from 0 to 4096
[   72.484016][ T5824] ntfs3: Unknown parameter 'prea'
[pid  5824] mount(NULL, "./file0", "afs", MS_NOSYMFOLLOW|MS_NOATIME|0x200, "dyn,") = 0
[pid  5824] mount(NULL, "./file0", "overlay", 0, "lowerdir=./file0:/") = 0
[pid  5824] chdir("./file0")            = 0
[pid  5824] open(".", O_RDONLY)         = 3
[pid  5824] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EREMOTE (Object is remote)
[   72.578277][ T5824] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:321
[   72.588152][ T5824] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5824, name: syz-executor285
[   72.597701][ T5824] preempt_count: 0, expected: 0
[   72.602568][ T5824] RCU nest depth: 1, expected: 0
[   72.608088][ T5824] 4 locks held by syz-executor285/5824:
[   72.613645][ T5824]  #0: ffff88802d9229b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x310
[pid  5824] getdents(3, NULL, 0)        = -1 EINVAL (Invalid argument)
[pid  5824] exit_group(1)               = ?
[pid  5824] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=1, si_utime=0, si_stime=22 /* 0.22 s */} ---
exit_group(0)                           = ?
[   72.622809][ T5824]  #1: ffff8880740a8cf8 (&ovl_i_mutex_dir_key[depth]){++++}-{4:4}, at: wrap_directory_iterator+0x5a/0xd0
[   72.634315][ T5824]  #2: ffff88807b0e8148 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: iterate_dir+0x4a6/0x760
[   72.644720][ T5824]  #3: ffffffff8eb3a760 (rcu_read_lock){....}-{1:3}, at: afs_dynroot_readdir+0x466/0xbe0
[   72.654893][ T5824] CPU: 1 UID: 0 PID: 5824 Comm: syz-executor285 Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #0 PREEMPT(full) 
[   72.654914][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   72.654927][ T5824] Call Trace:
[   72.654934][ T5824]  <TASK>
[   72.654940][ T5824]  dump_stack_lvl+0x241/0x360
[   72.654964][ T5824]  ? __pfx_dump_stack_lvl+0x10/0x10
[   72.654990][ T5824]  __might_resched+0x558/0x6c0
[   72.655016][ T5824]  ? __pfx___might_resched+0x10/0x10
[   72.655043][ T5824]  ? __kmalloc_noprof+0xb7/0x4d0
[   72.655059][ T5824]  __kmalloc_noprof+0xd0/0x4d0
[   72.655072][ T5824]  ? ovl_cache_entry_new+0x39/0x7b0
[   72.655092][ T5824]  ovl_cache_entry_new+0x39/0x7b0
[   72.655110][ T5824]  ? __pfx_idr_get_next+0x10/0x10
[   72.655135][ T5824]  ovl_fill_merge+0x416/0x830
[   72.655154][ T5824]  afs_dynroot_readdir+0x814/0xbe0
[   72.655174][ T5824]  ? afs_dynroot_readdir+0x466/0xbe0
[   72.655193][ T5824]  ? __pfx_afs_dynroot_readdir+0x10/0x10
[   72.655212][ T5824]  ? vfs_open+0x31/0x370
[   72.655229][ T5824]  iterate_dir+0x5a9/0x760
[   72.655253][ T5824]  ovl_dir_read+0xfe/0x570
[   72.655269][ T5824]  ? ovl_path_next+0x23e/0x470
[   72.655292][ T5824]  ovl_dir_read_merged+0x315/0x5e0
[   72.655312][ T5824]  ? __pfx_ovl_dir_read_merged+0x10/0x10
[   72.655329][ T5824]  ? __pfx_ovl_fill_merge+0x10/0x10
[   72.655352][ T5824]  ? __kmalloc_cache_noprof+0x236/0x370
[   72.655365][ T5824]  ? ovl_iterate+0x10d6/0x21c0
[   72.655383][ T5824]  ovl_iterate+0x1196/0x21c0
[   72.655402][ T5824]  ? validate_chain+0x8a7/0x24e0
[   72.655430][ T5824]  ? __pfx_ovl_iterate+0x10/0x10
[   72.655454][ T5824]  ? __lock_acquire+0xad5/0xd80
[   72.655486][ T5824]  ? down_write+0x18d/0x220
[   72.655508][ T5824]  ? __pfx_down_write+0x10/0x10
[   72.655531][ T5824]  ? wrap_directory_iterator+0x52/0xd0
[   72.655554][ T5824]  ? __pfx_ovl_iterate+0x10/0x10
[   72.655572][ T5824]  wrap_directory_iterator+0x91/0xd0
[   72.655594][ T5824]  iterate_dir+0x5a9/0x760
[   72.655616][ T5824]  __se_sys_getdents+0x1ff/0x4e0
[   72.655641][ T5824]  ? __pfx___se_sys_getdents+0x10/0x10
[   72.655661][ T5824]  ? __pfx_filldir+0x10/0x10
[   72.655690][ T5824]  do_syscall_64+0xf3/0x230
[   72.655710][ T5824]  ? clear_bhb_loop+0x45/0xa0
[   72.655728][ T5824]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   72.655743][ T5824] RIP: 0033:0x7f362e908879
[   72.655765][ T5824] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   72.655777][ T5824] RSP: 002b:00007ffe38b1b5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[   72.655792][ T5824] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f362e908879
[   72.655803][ T5824] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
+++ exited with 0 +++
[