------------[ cut here ]------------
WARNING: CPU: 1 PID: 21 at kernel/workqueue.c:1438 __queue_work+0x10c8/0x136c kernel/workqueue.c:1438
Modules linked in:
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.1.23-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0x10c8/0x136c kernel/workqueue.c:1438
lr : __queue_work+0x10c8/0x136c kernel/workqueue.c:1438
sp : ffff800019c17910
x29: ffff800019c17950 x28: 0000000000000008 x27: dfff800000000000
x26: ffff0000c996d800 x25: dfff800000000000 x24: 0000000000000100
x23: ffff0000c996d9c0 x22: ffff0000c0a49b48 x21: 1fffe00018149369
x20: 00000000000b0012 x19: ffff00011f070250 x18: ffff800019c17700
x17: 0000000000100010 x16: ffff8000120db8f4 x15: 0000000000039cad
x14: 00000000ffffffff x13: dfff800000000000 x12: 0000000000000001
x11: ff80800008213ddc x10: 0000000000000000 x9 : ffff800008213ddc
x8 : ffff0000c0a49b40 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008300460
x2 : ffff00011f070250 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 __queue_work+0x10c8/0x136c kernel/workqueue.c:1438
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1643
 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers+0x584/0x718 kernel/time/timer.c:1790
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1803
 __do_softirq+0x30c/0xea0 kernel/softirq.c:571
 run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
 smpboot_thread_fn+0x4b0/0x96c kernel/smpboot.c:164
 kthread+0x24c/0x2d4 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 1114523
hardirqs last  enabled at (1114522): [<ffff8000121b9b0c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (1114522): [<ffff8000121b9b0c>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (1114523): [<ffff8000121b996c>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (1114523): [<ffff8000121b996c>] _raw_spin_lock_irq+0x34/0x9c kernel/locking/spinlock.c:170
softirqs last  enabled at (1111534): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (1111534): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (1111559): [<ffff8000081c893c>] run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
---[ end trace 0000000000000000 ]---
TCP: request_sock_TCP: Possible SYN flooding on port 2. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCP: Possible SYN flooding on port 2. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCP: Possible SYN flooding on port 2. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCP: Possible SYN flooding on port 2. Sending cookies.  Check SNMP counters.