watchdog: BUG: soft lockup - CPU#1 stuck for 30s! [kworker/u4:1:136]
Modules linked in:
irq event stamp: 514610
hardirqs last  enabled at (514609): [<ffff80001036a1f8>] seqcount_lockdep_reader_access+0x208/0x2cc include/linux/seqlock.h:105
hardirqs last disabled at (514610): [<ffff800011b59384>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (499226): [<ffff80000c8d4b10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (499222): [<ffff80000c8d4a58>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient gc_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : seqcount_lockdep_reader_access+0x228/0x2cc include/linux/seqlock.h:106
lr : seqcount_lockdep_reader_access+0x224/0x2cc include/linux/seqlock.h:105
sp : ffff80001d3179c0
x29: ffff80001d3179c0 x28: 1fffe0001a003878 x27: ffff800014b77000
x26: dfff800000000000 x25: ffff0000d001c300 x24: 1ffff00002e39102
x23: ffff8000171c8000 x22: 0000000000000000 x21: 0080000000000000
x20: 0000000000000030 x19: 0000000000000080 x18: 0000000000000401
x17: 0000000000000000 x16: ffff8000082ed0ac x15: 0000000000000002
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c2439b40
x8 : ffff80001036a214 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008046154
x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 seqcount_lockdep_reader_access+0x228/0x2cc include/linux/seqlock.h:105
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:338 [inline]
 gc_worker+0x2a0/0x12b0 net/netfilter/nf_conntrack_core.c:1472
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870