watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u4:1:136]
Modules linked in:
irq event stamp: 1340120
hardirqs last  enabled at (1340119): [<ffff8000111a3964>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (1340119): [<ffff8000111a3964>] exit_to_kernel_mode+0xe0/0x168 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (1340120): [<ffff8000111a3bbc>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (1340110): [<ffff80000fff711c>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (1340110): [<ffff80000fff711c>] clusterip_netdev_event+0x384/0x3ac net/ipv4/netfilter/ipt_CLUSTERIP.c:233
softirqs last disabled at (1340108): [<ffff80000fff6e18>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (1340108): [<ffff80000fff6e18>] clusterip_netdev_event+0x80/0x3ac net/ipv4/netfilter/ipt_CLUSTERIP.c:207
CPU: 0 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Workqueue: events_unbound linkwatch_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : console_unlock+0xc90/0x133c kernel/printk/printk.c:2749
lr : console_unlock+0xc88/0x133c kernel/printk/printk.c:2748
sp : ffff80001bcf7260
x29: ffff80001bcf7460 x28: ffff80001bcf73f0 x27: ffff80001bcf72c0
x26: ffff8000082f5528 x25: dfff800000000000 x24: ffff8000156878e8
x23: 1ffff00002ad0f1d x22: 0000000000000000 x21: 0000000000000080
x20: 0000000000000000 x19: 1ffff00002ad0f16 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000082bf2a4 x15: 0000000000000012
x14: 0000000000000000 x13: 1ffff0000282a06b x12: 0000000000ff0100
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000082f64f4
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008044e7c
x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 console_unlock+0xc90/0x133c kernel/printk/printk.c:2748
 vprintk_emit+0x13c/0x218 kernel/printk/printk.c:2274
 vprintk_default+0x54/0x80 kernel/printk/printk.c:2289
 vprintk+0x1e8/0x284 kernel/printk/printk_safe.c:45
 _printk+0xd0/0x118 kernel/printk/printk.c:2299
 addrconf_notify+0x878/0xc6c net/ipv6/addrconf.c:3659
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2049 [inline]
 netdev_state_change+0x150/0x1fc net/core/dev.c:1440
 linkwatch_do_dev+0x2b0/0x3c8 net/core/link_watch.c:167
 __linkwatch_run_queue+0x3d4/0x674 net/core/link_watch.c:213
 linkwatch_event+0x58/0x68 net/core/link_watch.c:252
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 process_scheduled_works kernel/workqueue.c:2373 [inline]
 worker_thread+0xb64/0x101c kernel/workqueue.c:2459
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870