BTRFS info (device loop9): read error corrected: ino 0 off 30470144 (dev /dev/loop9 sector 75896)
BTRFS info (device loop9): setting compat-ro feature flag for VERITY (0x4)
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8914 Comm: syz.9.226 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (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:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 btrfs_block_rsv_add_bytes+0x3c/0x10c fs/btrfs/block-rsv.c:314
 start_transaction+0x11b0/0x155c fs/btrfs/transaction.c:747
 btrfs_start_transaction+0x34/0x44 fs/btrfs/transaction.c:816
 btrfs_create_common+0x120/0x208 fs/btrfs/inode.c:6738
 btrfs_mkdir+0xc4/0xec fs/btrfs/inode.c:6882
 vfs_mkdir+0x284/0x424 fs/namei.c:4366
 ovl_do_mkdir fs/overlayfs/overlayfs.h:251 [inline]
 ovl_workdir_create+0x3a0/0x6f4 fs/overlayfs/super.c:330
 ovl_make_workdir fs/overlayfs/super.c:669 [inline]
 ovl_get_workdir+0x2bc/0x1280 fs/overlayfs/super.c:827
 ovl_fill_super+0xff4/0x2c38 fs/overlayfs/super.c:1406
 vfs_get_super fs/super.c:1325 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1344
 ovl_get_tree+0x28/0x38 fs/overlayfs/params.c:699
 vfs_get_tree+0x90/0x28c fs/super.c:1815
 do_new_mount+0x278/0x7f4 fs/namespace.c:3805
 path_mount+0x5b4/0xde0 fs/namespace.c:4120
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount fs/namespace.c:4321 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4321
 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
overlayfs: conflicting lowerdir path