watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [kworker/u4:4:552]
Modules linked in:
irq event stamp: 2177914
hardirqs last  enabled at (2177913): [<ffff80000fb0b110>] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105
hardirqs last disabled at (2177914): [<ffff800011250198>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (2173168): [<ffff80000fb09160>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2173166): [<ffff80000fb0912c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 0 PID: 552 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events_power_efficient gc_worker
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : seqcount_lockdep_reader_access+0x21c/0x2c0 include/linux/seqlock.h:106
lr : seqcount_lockdep_reader_access+0x218/0x2c0 include/linux/seqlock.h:105
sp : ffff80001f117990
x29: ffff80001f117990 x28: 000000000001d853 x27: ffff0000cddbc4d0
x26: ffff800014297000 x25: 1ffff00002d19102 x24: ffff8000168c8000
x23: dfff800000000000 x22: 0000000000000000 x21: 0080000000000000
x20: 0000000000000030 x19: 0000000000000080 x18: 0000000000000000
x17: ffff800016e24000 x16: ffff8000082c2cc0 x15: 0000000000000000
x14: 0000000000000003 x13: 1ffff00003e22ee4 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000fb0b12c
x8 : ffff0000c81a1b40 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 seqcount_lockdep_reader_access+0x21c/0x2c0 include/linux/seqlock.h:105
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:338 [inline]
 gc_worker+0x284/0x1190 net/netfilter/nf_conntrack_core.c:1472
 process_one_work+0x79c/0x1138 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x1034 kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856