BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 8046 Comm: syz.2.738 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 do_write_seqcount_begin_nested include/linux/seqlock.h:515 [inline]
 __d_move+0x3b8/0x1234 fs/dcache.c:2985
 d_move+0xa0/0xdc fs/dcache.c:3039
 vfs_rename+0xc00/0xe04 fs/namei.c:4889
 ovl_do_rename fs/overlayfs/overlayfs.h:297 [inline]
 ovl_check_rename_whiteout fs/overlayfs/super.c:1303 [inline]
 ovl_make_workdir fs/overlayfs/super.c:1424 [inline]
 ovl_get_workdir+0x954/0x13d4 fs/overlayfs/super.c:1539
 ovl_fill_super+0x15b4/0x2254 fs/overlayfs/super.c:2095
 mount_nodev+0x68/0x104 fs/super.c:1489
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.