rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2668 jiffies s: 617 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: 923 Comm: kworker/1:2 Not tainted 6.7.0-rc4-syzkaller-00818-g2483e7f04ce0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events linkwatch_event
RIP: 0010:__list_add_valid_or_report+0x5/0x100 lib/list_debug.c:24
Code: e8 e0 02 2a 00 e9 e6 ef ff ff e8 c6 c2 75 fd e9 05 ed ff ff e8 dc c2 75 fd e9 f4 f0 ff ff 0f 1f 80 00 00 00 00 f3 0f 1e fa 55 <53> 48 83 ec 08 48 85 f6 74 68 48 85 d2 48 89 d3 74 6f 48 b8 00 00
RSP: 0018:ffffc90004b2fc40 EFLAGS: 00000093
RAX: 0000000000000000 RBX: ffff88806b1f66a8 RCX: ffffffff8876ea05
RDX: ffffffff8eaabca0 RSI: ffff88806b1d66a8 RDI: ffff88806b1f66a8
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 00000000000000bc
R13: 0000000000000001 R14: ffff88806b1d66a8 R15: ffff88806b1f66b0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff06b72ac8 CR3: 0000000027d31000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 __linkwatch_run_queue+0x283/0x460 net/core/link_watch.c:225
 linkwatch_event+0x8f/0xc0 net/core/link_watch.c:273
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627
 process_scheduled_works kernel/workqueue.c:2700 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>