BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm
BTRFS info (device loop0): using free-space-tree
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8527 Comm: syz-executor410 Not tainted 6.14.0-syzkaller-gd6b13dbd03b7 #0
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 lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 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:3853 [inline]
 validate_chain kernel/locking/lockdep.c:3874 [inline]
 __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5228
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162
 kasan_quarantine_reduce+0x64/0x124 mm/kasan/quarantine.c:260
 __kasan_slab_alloc+0x2c/0x8c mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x254/0x410 mm/slub.c:4171
 add_delayed_ref+0x148/0x1ad8 fs/btrfs/delayed-ref.c:1007
 btrfs_add_delayed_tree_ref+0x9c/0x110 fs/btrfs/delayed-ref.c:1097
 btrfs_alloc_tree_block+0xb2c/0x10c8 fs/btrfs/extent-tree.c:5176
 btrfs_force_cow_block+0x428/0x1c80 fs/btrfs/ctree.c:506
 btrfs_cow_block+0x2ec/0x7cc fs/btrfs/ctree.c:688
 btrfs_search_slot+0xa74/0x272c fs/btrfs/ctree.c:2088
 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:139 [inline]
 add_free_space_extent fs/btrfs/free-space-tree.c:905 [inline]
 __add_to_free_space_tree+0x474/0x1150 fs/btrfs/free-space-tree.c:1016
 add_to_free_space_tree+0x120/0x2ec fs/btrfs/free-space-tree.c:1045
 do_free_extent_accounting fs/btrfs/extent-tree.c:2969 [inline]
 __btrfs_free_extent+0x14d4/0x3264 fs/btrfs/extent-tree.c:3338
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1753 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1779 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1976 [inline]
 __btrfs_run_delayed_refs+0xb54/0x3798 fs/btrfs/extent-tree.c:2046
 btrfs_run_delayed_refs+0xc4/0x2e8 fs/btrfs/extent-tree.c:2158
 btrfs_commit_transaction+0x220/0x2ba4 fs/btrfs/transaction.c:2196
 btrfs_quota_enable+0xcc0/0x1e50 fs/btrfs/qgroup.c:1226
 btrfs_ioctl_quota_ctl+0x148/0x1cc fs/btrfs/ioctl.c:3677
 btrfs_ioctl+0x768/0xb28 fs/btrfs/ioctl.c:5325
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892
 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600