bcachefs (loop4): snapshots_read... done
bcachefs (loop4): journal_replay... done
bcachefs (loop4): resume_logged_ops... done
bcachefs (loop4): going read-write
bcachefs (loop4): done starting filesystem
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 9806 Comm: syz.4.406 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline]
 validate_chain kernel/locking/lockdep.c:3837 [inline]
 __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 put_cpu_partial+0x64/0x1c0 mm/slub.c:3042
 get_partial_node+0x128/0x404 mm/slub.c:2702
 get_partial mm/slub.c:2790 [inline]
 ___slab_alloc+0x6f0/0xf38 mm/slub.c:3647
 __slab_alloc+0x74/0xd0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3990 [inline]
 __do_kmalloc_node mm/slub.c:4122 [inline]
 __kmalloc_noprof+0x314/0x494 mm/slub.c:4136
 kmalloc_noprof include/linux/slab.h:664 [inline]
 btree_key_cache_fill+0x310/0xa84 fs/bcachefs/btree_key_cache.c:416
 bch2_btree_path_traverse_cached_slowpath+0x33c/0x2140 fs/bcachefs/btree_key_cache.c:521
 bch2_btree_path_traverse_cached+0x7b8/0xa24
 bch2_btree_path_traverse_one+0x36c/0x2b7c fs/bcachefs/btree_iter.c:1153
 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:229 [inline]
 bch2_btree_iter_peek_slot+0x7e4/0x25e4 fs/bcachefs/btree_iter.c:2598
 __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:552 [inline]
 bch2_bkey_get_iter fs/bcachefs/btree_iter.h:566 [inline]
 bch2_inode_peek_nowarn+0x16c/0x384 fs/bcachefs/inode.c:340
 bch2_inode_find_by_inum_nowarn_trans+0xc4/0x148 fs/bcachefs/inode.c:926
 bch2_lookup_trans fs/bcachefs/fs.c:437 [inline]
 bch2_lookup+0x6f8/0xd6c fs/bcachefs/fs.c:478
 lookup_open fs/namei.c:3530 [inline]
 open_last_lookups fs/namei.c:3621 [inline]
 path_openat+0xc98/0x2ae8 fs/namei.c:3857
 do_filp_open+0x1bc/0x3cc fs/namei.c:3887
 do_sys_openat2+0x124/0x1b8 fs/open.c:1413
 do_sys_open fs/open.c:1428 [inline]
 __do_sys_openat fs/open.c:1444 [inline]
 __se_sys_openat fs/open.c:1439 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1439
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598