watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u4:5:369]
Modules linked in:
irq event stamp: 646853
hardirqs last  enabled at (646852): [<ffffffff81349e27>] kvm_wait arch/x86/kernel/kvm.c:854 [inline]
hardirqs last  enabled at (646852): [<ffffffff81349e27>] kvm_wait+0x1d7/0x2b0 arch/x86/kernel/kvm.c:837
hardirqs last disabled at (646853): [<ffffffff8825494b>] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1100
softirqs last  enabled at (636948): [<ffffffff8639b32a>] rcu_read_unlock_bh include/linux/rcupdate.h:741 [inline]
softirqs last  enabled at (636948): [<ffffffff8639b32a>] __dev_queue_xmit+0x1b3a/0x2de0 net/core/dev.c:4221
softirqs last disabled at (636950): [<ffffffff87e251ba>] spin_lock_bh include/linux/spinlock.h:359 [inline]
softirqs last disabled at (636950): [<ffffffff87e251ba>] batadv_tt_local_commit_changes+0x1a/0x30 net/batman-adv/translation-table.c:3748
CPU: 1 PID: 369 Comm: kworker/u4:5 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:52
Code: ff 4c 89 ef e8 a3 b9 91 f9 e9 8e fe ff ff 48 89 df e8 96 b9 91 f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d e4 10 61 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d d4 10 61 00 f4 c3 cc cc 55 53 e8 99
RSP: 0018:ffffc90000ee79f8 EFLAGS: 00000282
RAX: 1ffffffff142ec89 RBX: ffff888116b0d2a8 RCX: ffffffff815bb912
RDX: dffffc0000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8ceadca7
R10: fffffbfff19d5b94 R11: 0000000000000000 R12: 0000000000000000
R13: ffffed1022d61a55 R14: 0000000000000001 R15: ffff8881f63373c0
FS:  0000000000000000(0000) GS:ffff8881f6300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff793639038 CR3: 00000001030f5005 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline]
 kvm_wait arch/x86/kernel/kvm.c:854 [inline]
 kvm_wait+0x205/0x2b0 arch/x86/kernel/kvm.c:837
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x896/0xaf0 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 batadv_tt_local_commit_changes+0x1a/0x30 net/batman-adv/translation-table.c:3748
 batadv_iv_ogm_schedule_buff+0x117e/0x1410 net/batman-adv/bat_iv_ogm.c:811
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:869 [inline]
 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:862 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x5c8/0x800 net/batman-adv/bat_iv_ogm.c:1723
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294