------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 1 PID: 8405 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 1 PID: 8405 Comm: syz-fuzzer Not tainted 5.12.0-rc2-next-20210309-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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 e2 83 ab 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 d1 83 ab 04 01 e8 0f 69 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: 1 PID: 8405 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: 1 PID: 8405 Comm: syz-fuzzer Not tainted 5.12.0-rc2-next-20210309-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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 a0 f7 d8 89 e8 bc 0c f0 ff e9 e5 fe ff ff e8 42 64 26 fd <0f> 0b e9 88 fd ff ff e8 d6 cd 69 fd e9 11 fe ff ff 4c 89 ef e8 c9
RSP: 0000:ffffc90000dc0df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888143785e58 RCX: 0000000000000100
RDX: ffff888020630000 RSI: ffffffff844d79ae RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff844d7733 R11: 0000000000000000 R12: ffff888143784d30
R13: 0000000000fe4c00 R14: ffff8880b9d26380 R15: ffffffff844d7690
FS: 000000c00002e090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001ef6708 CR3: 0000000020f11000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1537 [inline]
__hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
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+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:console_unlock+0xabd/0xc80 kernel/printk/printk.c:2415
Code: 24 08 4c 89 6c 24 20 e9 48 f9 ff ff e8 9c 02 18 00 0f 0b e9 d4 f9 ff ff e8 90 02 18 00 48 8b bc 24 68 01 00 00 e8 33 c6 ff ff 7e 02 18 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 30 48 c7
RSP: 0000:ffffc9000100f6f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888020630000 RSI: ffffffff815bd7ff RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fae4917
R10: ffffffff815bd7f1 R11: 0000000000000000 R12: ffffffff84b30790
R13: 0000000000000200 R14: dffffc0000000000 R15: 0000000000000200
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 e2 83 ab 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 d1 83 ab 04 01 e8 0f 69 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: 0000:ffffc9000100fbf0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888015b00c48 RCX: 0000000000000000
RDX: ffff888020630000 RSI: ffffffff815c1a15 RDI: fffff52000201f70
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ba7ae R11: 0000000000000000 R12: 0000000000000003
R13: ffffed1002b60189 R14: 0000000000000001 R15: ffff8880b9d35fc0
kvm_wait arch/x86/kernel/kvm.c:865 [inline]
kvm_wait+0xc9/0xe0 arch/x86/kernel/kvm.c:842
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+0x136/0x200 kernel/softirq.c:422
irq_exit_rcu+0x5/0x20 kernel/softirq.c:434
common_interrupt+0x51/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x46dabd
Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 002b:000000c00003df18 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000002800 RCX: 000000000046dabd
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00003df18
RBP: 000000c00003df28 R08: 000000000002ede4 R09: 00007ffef5574090
R10: 0000000000006b7c R11: 0000000000000202 R12: 000000000043b6a0
R13: 0000000000000000 R14: 000000000093f060 R15: 0000000000000000