watchdog: BUG: soft lockup - CPU#1 stuck for 25s! [kworker/u4:4:1644]
Modules linked in:
irq event stamp: 1055490
hardirqs last  enabled at (1055489): [<ffff800010282578>] seqcount_lockdep_reader_access+0x80/0x104 include/linux/seqlock.h:104
hardirqs last disabled at (1055490): [<ffff800011c2c3c0>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (1055490): [<ffff800011c2c3c0>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (996534): [<ffff80000c8e9c64>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (996528): [<ffff80000c8e9bac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 1644 Comm: kworker/u4:4 Not tainted 6.4.0-rc4-syzkaller-00031-g8b817fded42d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Workqueue: events_power_efficient gc_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : seqcount_lockdep_reader_access+0xe4/0x104 include/linux/seqlock.h:105
lr : seqcount_lockdep_reader_access+0xe0/0x104 include/linux/seqlock.h:104
sp : ffff8000219579d0
x29: ffff8000219579d0 x28: ffff0000c5879b00 x27: ffff0000c5879b48
x26: ffff800014f68000 x25: 1ffff000029dbe40 x24: ffff800014f68000
x23: dfff800000000000 x22: ffff800014f68000 x21: 0000000000000000
x20: ffff800014f68308 x19: 00000000000000c0 x18: ffff800021956f40
x17: 00000000d17c741b x16: ffff80000830761c x15: 0000000000000401
x14: 1ffff000029ec0a1 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000cc7e5340 x7 : ffff80001028c274 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:202 [inline]
 seqcount_lockdep_reader_access+0xe4/0x104 include/linux/seqlock.h:104
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:343 [inline]
 gc_worker+0x298/0x12c8 net/netfilter/nf_conntrack_core.c:1496
 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552
 kthread+0x288/0x310 kernel/kthread.c:379
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870