tipc: Resetting bearer BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 2964 Comm: syz.0.7950 Not tainted 6.15.0-rc3-syzkaller-00614-g0d15a26b247d #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 register_lock_class+0x2e8/0x320 kernel/locking/lockdep.c:1333 __lock_acquire+0x7f/0xd20 kernel/locking/lockdep.c:5110 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5866 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] dev_reset_queue+0x138/0x1b0 net/sched/sch_generic.c:1310 netdev_for_each_tx_queue include/linux/netdevice.h:2649 [inline] dev_deactivate_many+0x720/0xd40 net/sched/sch_generic.c:1376 __dev_close_many+0x162/0x6f0 net/core/dev.c:1738 dev_close_many+0x225/0x410 net/core/dev.c:1779 unregister_netdevice_many_notify+0x834/0x2320 net/core/dev.c:12006 unregister_netdevice_many net/core/dev.c:12099 [inline] unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:11943 unregister_netdevice include/linux/netdevice.h:3373 [inline] __tun_detach+0xda4/0x1560 drivers/net/tun.c:620 tun_detach drivers/net/tun.c:636 [inline] tun_chr_close+0x10a/0x1c0 drivers/net/tun.c:3390 __fput+0x449/0xa70 fs/file_table.c:465 task_work_run+0x1d1/0x260 kernel/task_work.c:227 resume_user_mode_work+0x5e/0x80 include/linux/resume_user_mode.h:50 exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x9a/0x120 kernel/entry/common.c:218 do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fde6418e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffda79d4948 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fde643b7ba0 RCX: 00007fde6418e969 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fde643b7ba0 R08: 000000000001cf40 R09: 0000001ea79d4c3f R10: 00007fde643b7ac0 R11: 0000000000000246 R12: 0000000000145f96 R13: 00007fde643b6080 R14: ffffffffffffffff R15: 00007ffda79d4a60 tipc: Disabling bearer