tipc: Enabled bearer , priority 0 syzkaller0: entered promiscuous mode syzkaller0: entered allmulticast mode tipc: Resetting bearer tipc: Resetting bearer BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 15699 Comm: syz.0.11256 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 register_lock_class+0x2a9/0x2e0 kernel/locking/lockdep.c:1332 __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 lock_acquire+0x106/0x330 kernel/locking/lockdep.c:5868 __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:1308 netdev_for_each_tx_queue include/linux/netdevice.h:2680 [inline] dev_deactivate_many+0x720/0xd40 net/sched/sch_generic.c:1374 __dev_close_many+0x17b/0x6d0 net/core/dev.c:1753 netif_close_many+0x225/0x420 net/core/dev.c:1794 unregister_netdevice_many_notify+0xb47/0x2370 net/core/dev.c:12366 unregister_netdevice_many net/core/dev.c:12459 [inline] unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12273 unregister_netdevice include/linux/netdevice.h:3405 [inline] __tun_detach+0x6d9/0x15d0 drivers/net/tun.c:621 tun_detach drivers/net/tun.c:637 [inline] tun_chr_close+0x10a/0x1c0 drivers/net/tun.c:3436 __fput+0x44f/0xa70 fs/file_table.c:468 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x69b/0x2310 kernel/exit.c:971 do_group_exit+0x21b/0x2d0 kernel/exit.c:1112 get_signal+0x1284/0x1330 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc17a19bf79 Code: Unable to access opcode bytes at 0x7fc17a19bf4f. RSP: 002b:00007fc17b0e30e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007fc17a415fa8 RCX: 00007fc17a19bf79 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc17a415fa8 RBP: 00007fc17a415fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc17a416038 R14: 00007ffdf7d3fbf0 R15: 00007ffdf7d3fcd8 tipc: Disabling bearer