BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8657 Comm: syz.4.379 Not tainted 6.15.0-rc6-syzkaller-ga82e92598ab1 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3856 [inline]
 validate_chain kernel/locking/lockdep.c:3877 [inline]
 __lock_acquire+0xf50/0x3058 kernel/locking/lockdep.c:5235
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5866
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 shmem_xattr_handler_set+0xd4/0x2bc mm/shmem.c:4318
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
 __vfs_setxattr_noperm+0x120/0x5c4 fs/xattr.c:234
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
 vfs_setxattr+0x158/0x2ac fs/xattr.c:321
 ovl_do_setxattr fs/overlayfs/overlayfs.h:315 [inline]
 ovl_setxattr fs/overlayfs/overlayfs.h:327 [inline]
 ovl_make_workdir fs/overlayfs/super.c:715 [inline]
 ovl_get_workdir+0x93c/0x11d8 fs/overlayfs/super.c:827
 ovl_fill_super+0x1028/0x2c80 fs/overlayfs/super.c:1406
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1299
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:701
 vfs_get_tree+0x90/0x28c fs/super.c:1759
 do_new_mount+0x228/0x814 fs/namespace.c:3881
 path_mount+0x5b4/0xde0 fs/namespace.c:4208
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount fs/namespace.c:4409 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4409
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.