watchdog: BUG: soft lockup - CPU#1 stuck for 64s! [kworker/u4:5:1602]
Modules linked in:
irq event stamp: 833106
hardirqs last  enabled at (833105): [<ffff80000fa8623c>] seqcount_lockdep_reader_access+0x1fc/0x2c4 include/linux/seqlock.h:105
hardirqs last disabled at (833106): [<ffff8000111a3e04>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (767432): [<ffff80000819d0d8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (767432): [<ffff80000819d0d8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586
softirqs last disabled at (767417): [<ffff80000819d6dc>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (767417): [<ffff80000819d6dc>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (767417): [<ffff80000819d6dc>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (767417): [<ffff80000819d6dc>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641
CPU: 1 PID: 1602 Comm: kworker/u4:5 Not tainted 5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_power_efficient gc_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : seqcount_lockdep_reader_access+0x21c/0x2c4 include/linux/seqlock.h:106
lr : seqcount_lockdep_reader_access+0x218/0x2c4 include/linux/seqlock.h:105
sp : ffff800023707990
x29: ffff800023707990 x28: 0000000000010215 x27: ffff0000cc07a818
x26: ffff800014157000 x25: 1ffff00002cf0802 x24: ffff800016784000
x23: dfff800000000000 x22: 0000000000000000 x21: 0080000000000000
x20: 0000000000000030 x19: 0000000000000080 x18: 0000000000000002
x17: 0000000040000000 x16: ffff8000082bf2b8 x15: 0000000000000002
x14: 0000000000ff0100 x13: 1ffff0000282a06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000fa86258
x8 : ffff0000cca73680 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]
 seqcount_lockdep_reader_access+0x21c/0x2c4 include/linux/seqlock.h:105
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:338 [inline]
 gc_worker+0x280/0x11a4 net/netfilter/nf_conntrack_core.c:1472
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870