BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 4510 Comm: kworker/u4:10 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: netns cleanup_net
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 __unfreeze_partials+0x88/0x190 mm/slub.c:2555
 put_cpu_partial+0x18c/0x1f8 mm/slub.c:2667
 __slab_free+0x1a4/0x268 mm/slub.c:3564
 do_slab_free mm/slub.c:3641 [inline]
 ___cache_free+0x168/0x198 mm/slub.c:3694
 qlink_free+0x5c/0xa0 mm/kasan/quarantine.c:168
 qlist_free_all+0x3c/0xcc mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x124/0x130 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:306
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x74/0x430 mm/slab.h:737
 slab_alloc_node mm/slub.c:3359 [inline]
 __kmem_cache_alloc_node+0x274/0x314 mm/slub.c:3398
 kmalloc_trace+0x48/0x94 mm/slab_common.c:1026
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 kobject_uevent_env+0x258/0x850 lib/kobject_uevent.c:539
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:657
 device_del+0x7f8/0x984 drivers/base/core.c:3905
 wiphy_unregister+0x33c/0xa00 net/wireless/core.c:1113
 ieee80211_unregister_hw+0x194/0x278 net/mac80211/main.c:1504
 mac80211_hwsim_del_radio+0x220/0x3b8 drivers/net/wireless/mac80211_hwsim.c:4688
 hwsim_exit_net+0x4a0/0x564 drivers/net/wireless/mac80211_hwsim.c:5475
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x5d0/0xa84 net/core/net_namespace.c:640
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
device hsr_slave_0 left promiscuous mode
device hsr_slave_1 left promiscuous mode
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_1
device bridge_slave_1 left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves