BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7686 Comm: syz.7.1038 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b64/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162
 debug_object_activate+0x7c/0x4b0 lib/debugobjects.c:694
 debug_work_activate kernel/workqueue.c:509 [inline]
 __queue_work+0xb70/0x114c kernel/workqueue.c:1531
 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559
 flush_all_cpus_locked+0xe4/0x21c mm/slub.c:2696
 __kmem_cache_shutdown+0x38/0x538 mm/slub.c:4298
 shutdown_cache mm/slab_common.c:466 [inline]
 kmem_cache_destroy+0x54/0x138 mm/slab_common.c:512
 p9_client_destroy+0x52c/0x5bc net/9p/client.c:1110
 v9fs_session_init+0x1294/0x1504 fs/9p/v9fs.c:485
 v9fs_mount+0x88/0x780 fs/9p/vfs_super.c:126
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x278/0x8fc fs/namespace.c:3012
 path_mount+0x594/0x101c fs/namespace.c:3342
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount fs/namespace.c:3540 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584