BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 6349 Comm: kworker/u8:15 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 Workqueue: netns cleanup_net 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:3899 [inline] validate_chain kernel/locking/lockdep.c:3920 [inline] __lock_acquire+0xed4/0x2b08 kernel/locking/lockdep.c:5288 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4272 __flush_workqueue+0x114/0xd74 kernel/workqueue.c:4314 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4478 destroy_workqueue+0xb4/0x6ec kernel/workqueue.c:6372 wg_destruct+0x178/0x2d8 drivers/net/wireguard/device.c:255 netdev_run_todo+0xc64/0xe3c net/core/dev.c:12014 rtnl_unlock+0x14/0x20 net/core/rtnetlink.c:157 default_device_exit_batch+0x430/0x4ac net/core/dev.c:13509 ops_exit_list net/core/net_namespace.c:206 [inline] ops_undo_list+0x434/0x81c net/core/net_namespace.c:253 cleanup_net+0x474/0x6c4 net/core/net_namespace.c:708 process_one_work kernel/workqueue.c:3495 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3578 worker_thread+0x798/0xbd0 kernel/workqueue.c:3659 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50