BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 10745 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:2259 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:2371 [inline]
 validate_chain kernel/locking/lockdep.c:2391 [inline]
 __lock_acquire.cold+0x420/0x57e kernel/locking/lockdep.c:3416
 reacquire_held_locks+0xb5/0x430 kernel/locking/lockdep.c:3552
 __lock_release kernel/locking/lockdep.c:3707 [inline]
 lock_release+0x379/0x8b0 kernel/locking/lockdep.c:3927
 up_write+0x18/0x150 kernel/locking/rwsem.c:132
 inode_unlock include/linux/fs.h:753 [inline]
 unlock_rename+0x38/0xc0 fs/namei.c:2891
 ovl_workdir_ok fs/overlayfs/super.c:837 [inline]
 ovl_get_workdir fs/overlayfs/super.c:1178 [inline]
 ovl_fill_super+0x1014/0x3f10 fs/overlayfs/super.c:1601
 mount_nodev+0x60/0x110 fs/super.c:1204
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f878a0e10f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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
RSP: 002b:00007f8788653168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f878a200f80 RCX: 00007f878a0e10f9
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f878a13cae9 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf5e9dc2f R14: 00007f8788653300 R15: 0000000000022000
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
overlayfs: upper fs does not support tmpfile.
overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.
overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
overlayfs: conflicting lowerdir path
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
netlink: 'syz-executor.2': attribute type 153 has an invalid length.