------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 5 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_long defense_work_handler
RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Code: 24 48 c7 c7 60 7b 89 88 e8 2c e0 c1 ff 80 3d ae 1f e6 03 00 74 01 c3 48 c7 c7 60 f3 8a 88 c6 05 9d 1f e6 03 01 e8 21 df c1 ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48
RSP: 0018:ffffc90000ca79f0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888140742940 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff88de2ac0 RDI: fffff52000194f30
RBP: 0000000000000200 R08: 0000000000000001 R09: ffff8880b9e4c1a7
R10: ffffed10173c9834 R11: 0000000000000001 R12: 0000000000000003
R13: ffffed10280e8528 R14: 0000000000000001 R15: ffff8880b9e51f00
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f778fbf0718 CR3: 0000000027198000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kvm_wait arch/x86/kernel/kvm.c:860 [inline]
 kvm_wait+0xc9/0xe0 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+0x8b8/0xb40 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 include/linux/spinlock.h:354 [inline]
 nr_blockdev_pages+0x1d/0x100 fs/block_dev.c:940
 si_meminfo+0x115/0x230 mm/page_alloc.c:5406
 update_defense_level+0x7e/0xe30 net/netfilter/ipvs/ip_vs_ctl.c:101
 defense_work_handler+0x1f/0xc0 net/netfilter/ipvs/ip_vs_ctl.c:235
 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275
 worker_thread+0x598/0xf80 kernel/workqueue.c:2421
 kthread+0x36f/0x450 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294