rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2690 jiffies s: 593 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4801 Comm: kworker/1:3 Not tainted 6.7.0-rc4-next-20231211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: events linkwatch_event RIP: 0010:instrument_atomic_read include/linux/instrumented.h:68 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:netif_device_present include/linux/netdevice.h:4362 [inline] RIP: 0010:__linkwatch_run_queue+0x22b/0x460 net/core/link_watch.c:223 Code: 01 00 00 4c 89 f8 48 89 1b 48 c1 e8 03 80 3c 28 00 0f 85 91 01 00 00 4c 8d ab a0 fa ff ff 48 89 5b 08 be 08 00 00 00 4c 89 ef e0 10 62 f9 4c 89 e8 48 c1 e8 03 80 3c 28 00 0f 85 5b 01 00 00 RSP: 0018:ffffc9000371fc40 EFLAGS: 00000046 RAX: 1ffff1100d2064d6 RBX: ffff8880690326a8 RCX: 1ffffffff1d966ec RDX: ffff88801df63b80 RSI: 0000000000000008 RDI: ffff888069032148 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd R13: ffff888069032148 R14: ffff888069032000 R15: ffff8880690326b0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005612aca39b20 CR3: 000000000cf78000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: linkwatch_event+0x8f/0xc0 net/core/link_watch.c:273 process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b6/0x1290 kernel/workqueue.c:2787 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242