watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u4:8:13792]
Modules linked in:
irq event stamp: 12721613
hardirqs last  enabled at (12721612): [<ffff80000c120a38>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (12721612): [<ffff80000c120a38>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (12721613): [<ffff80000c11e96c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (12721613): [<ffff80000c11e96c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (12717156): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (12717158): [<ffff80000bff8c30>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (12717158): [<ffff80000bff8c30>] batadv_tt_local_commit_changes+0x24/0x44 net/batman-adv/translation-table.c:3718
CPU: 0 PID: 13792 Comm: kworker/u4:8 Not tainted 6.2.0-rc5-syzkaller-17298-gc62c88e05937 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x98/0x394 kernel/locking/qspinlock.c:383
lr : queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
lr : do_raw_spin_lock+0x10c/0x110 kernel/locking/spinlock_debug.c:115
sp : ffff800018d3bbe0
x29: ffff800018d3bbe0 x28: ffff0001198a8c80 x27: ffff00011bc7484e
x26: ffff0001198a8000 x25: 0000000000000054 x24: 000000000000003c
x23: ffff00011a52f0a0 x22: ffff00011a52f098 x21: ffff80000d481008
x20: ffff00011c1ece00 x19: ffff0001198a9328 x18: 000000000000011a
x17: ffff8001f1b3c000 x16: ffff80000dd97118 x15: ffff00011c1ece00
x14: 00000000000000d8 x13: 00000000ffffffff x12: ffff00011c1ece00
x11: ff808000095fb31c x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000101 x7 : ffff80000bff8c30 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000001 x0 : ffff0001198a9328
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline]
 __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline]
 queued_spin_lock_slowpath+0x98/0x394 kernel/locking/qspinlock.c:383
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x10c/0x110 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline]
 _raw_spin_lock_bh+0x5c/0x6c kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:355 [inline]
 batadv_tt_local_commit_changes+0x24/0x44 net/batman-adv/translation-table.c:3718
 batadv_iv_ogm_schedule_buff+0xe8/0x7a8 net/batman-adv/bat_iv_ogm.c:812
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:869 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x39c/0x428 net/batman-adv/bat_iv_ogm.c:1713
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863