rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2666 jiffies s: 601 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: 781 Comm: kworker/1:2 Not tainted 6.7.0-rc4-syzkaller-00821-g09b489478383 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events linkwatch_event
RIP: 0010:__list_del_entry_valid_or_report+0xc0/0x1c0 lib/list_debug.c:65
Code: 3c 07 00 0f 85 ed 00 00 00 48 8b 01 48 39 f0 75 71 48 8d 7a 08 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 <0f> 85 aa 00 00 00 48 8b 42 08 48 39 c6 75 5b b8 01 00 00 00 48 83
RSP: 0018:ffffc900042a7c30 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff88806bc7e6a8 RCX: 1ffff1100367fcd6
RDX: ffff88801b3fe6a8 RSI: ffff88806bc7e6a8 RDI: ffff88801b3fe6b0
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000000000bc R11: 0000000000000003 R12: 00000000000000bc
R13: 0000000000000001 R14: ffff88806bc7e000 R15: ffff88806dffc6b0
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055816a7bb000 CR3: 00000000271af000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry_valid include/linux/list.h:124 [inline]
__list_del_entry include/linux/list.h:215 [inline]
list_del_init include/linux/list.h:287 [inline]
__linkwatch_run_queue+0x179/0x460 net/core/link_watch.c:221
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