------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 7 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: 7 Comm: kworker/0:1 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d bc a9 ad 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 ab a9 ad 04 01 e8 3d d6 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 e0 a1 d8 89 e8 6c 09 f0 ff e9 e5 fe ff ff e8 f2 c1 28 fd <0f> 0b e9 88 fd ff ff e8 c6 27 6c fd e9 11 fe ff ff 4c 89 ef e8 b9
RSP: 0018:ffffc900000074e0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888019419e58 RCX: 0000000000000100
RDX: ffff888011533780 RSI: ffffffff844adc6e RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff844ad9f3 R11: 0000000000000000 R12: ffff888019418d30
R13: 0000000000fe4c00 R14: ffff8880b9c26340 R15: ffffffff844ad950
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002163848 CR3: 000000002561d000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1583
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:197
Code: f0 4d 89 03 e9 f2 fc ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 40 00 <65> 8b 05 59 51 8e 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc900000077b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888011533780 RSI: ffffffff815bcbbf RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8faa7867
R10: ffffffff815bcbb5 R11: 0000000000000000 R12: ffffffff84b050b0
R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000007810
 console_unlock+0x805/0xc80 kernel/printk/printk.c:2586
 vprintk_emit+0x1ca/0x560 kernel/printk/printk.c:2098
 vprintk_func+0x8d/0x1e0 kernel/printk/printk_safe.c:401
 printk+0xba/0xed kernel/printk/printk.c:2146
 show_opcodes.cold+0x1c/0x21 arch/x86/kernel/dumpstack.c:129
 show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:155
 __show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:73
 show_regs+0x2f/0x40 arch/x86/kernel/dumpstack.c:469
 __warn+0xe2/0x210 kernel/panic.c:595
 report_bug+0x1bd/0x210 lib/bug.c:195
 handle_bug+0x3c/0x60 arch/x86/kernel/traps.c:239
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:259
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:575
RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d bc a9 ad 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 ab a9 ad 04 01 e8 3d d6 be 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:ffffc90000007cb8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888027020c48 RCX: 0000000000000000
RDX: ffff888011533780 RSI: ffffffff815c0d25 RDI: fffff52000000f89
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b9abe R11: 0000000000000000 R12: 0000000000000003
R13: ffffed1004e04189 R14: 0000000000000001 R15: ffff8880b9c35f40
 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]
 tcp_tsq_handler+0x1d/0x200 net/ipv4/tcp_output.c:1029
 tcp_tasklet_func+0x2cc/0x560 net/ipv4/tcp_output.c:1063
 tasklet_action_common.constprop.0+0x1d7/0x2d0 kernel/softirq.c:557
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:434
 common_interrupt+0xa4/0xd0 arch/x86/kernel/irq.c:240
 </IRQ>
 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:623
RIP: 0010:__preempt_count_add arch/x86/include/asm/preempt.h:80 [inline]
RIP: 0010:rcu_read_lock_sched_notrace include/linux/rcupdate.h:772 [inline]
RIP: 0010:trace_workqueue_execute_end include/trace/events/workqueue.h:108 [inline]
RIP: 0010:process_one_work+0xef7/0x1600 kernel/workqueue.c:2280
Code: 65 ff 0d 8c 7b b7 7e 0f 94 c3 31 ff 89 de e8 d0 30 29 00 84 db 0f 84 7c fa ff ff e8 13 2a 29 00 e8 ed d0 b5 ff e9 6d fa ff ff <e8> 04 2a 29 00 65 ff 05 5d 7b b7 7e 48 8b 05 b6 6a 67 0c e8 51 82
RSP: 0018:ffffc90000cc7d20 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888011533780
RDX: 0000000000000000 RSI: ffff888011533780 RDI: 0000000000000003
RBP: ffff8880183dc800 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff814a6f4c R11: 0000000000000000 R12: ffffc90000cc7da8
R13: ffff8880183dc810 R14: ffff8880109a5a00 R15: ffff8880b9c34980
 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