------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 1 PID: 8382 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1f/0x30 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 1 PID: 8382 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:warn_bogus_irq_restore+0x1f/0x30 kernel/locking/irqflag-debug.c:10
Code: cc cc cc cc cc cc cc cc cc cc cc 80 3d b3 d1 51 04 00 74 01 c3 c6 05 a9 d1 51 04 01 48 c7 c7 60 5d ae 89 31 c0 e8 c1 1e f7 f7 <0f> 0b c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 56 53 48 83
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WARNING: CPU: 1 PID: 8382 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x2c1/0x320 drivers/gpu/drm/vkms/vkms_crtc.c:21
Modules linked in:
CPU: 1 PID: 8382 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vkms_vblank_simulate+0x2c1/0x320 drivers/gpu/drm/vkms/vkms_crtc.c:21
Code: 00 00 00 48 c7 c6 a0 51 2b 8a 31 c0 e8 18 71 ef ff b8 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6f 22 10 fd <0f> 0b e9 e8 fd ff ff 89 d9 80 e1 07 38 c1 0f 8c 5c fe ff ff 48 89
RSP: 0018:ffffc90000dc04a8 EFLAGS: 00010046
RAX: ffffffff84688ab1 RBX: 0000000000000002 RCX: ffff88801f221bc0
RDX: 0000000000010103 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffff8880b9d26260 R08: ffffffff84688891 R09: fffffbfff1b6b2d6
R10: fffffbfff1b6b2d6 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff110287a03d2 R14: 0000000000fe4c00 R15: ffff888143d00d30
FS: 000000c000096490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31023000 CR3: 0000000018202000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1519 [inline]
__hrtimer_run_queues+0x4c9/0xa00 kernel/time/hrtimer.c:1583
hrtimer_interrupt+0x393/0xf70 kernel/time/hrtimer.c:1645
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1106
sysvec_apic_timer_interrupt+0x3e/0xb0 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+0xaab/0xe00 kernel/printk/printk.c:2586
Code: 84 5a f7 ff ff eb 29 e8 73 53 18 00 e8 ae 68 f0 07 4d 85 f6 74 df 66 0f 1f 84 00 00 00 00 00 e8 5b 53 18 00 fb f6 44 24 0f 01 <0f> 84 2f f7 ff ff e8 4a 53 18 00 48 c7 c7 74 9d 71 8b be 1b 0a 00
RSP: 0018:ffffc90000dc0800 EFLAGS: 00000246
RAX: ffffffff816059c5 RBX: 0000000000000000 RCX: ffff88801f221bc0
RDX: 0000000000000103 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dc0918 R08: ffffffff81605982 R09: fffffbfff1f28ca9
R10: fffffbfff1f28ca9 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffffffff19f19c9 R14: 0000000000000200 R15: 1ffffffff19f19c2
vprintk_emit+0x1ab/0x270 kernel/printk/printk.c:2098
printk+0x62/0x83 kernel/printk/printk.c:2146
show_opcodes+0xc1/0xe0 arch/x86/kernel/dumpstack.c:129
show_ip arch/x86/kernel/dumpstack.c:150 [inline]
show_iret_regs+0x2f/0x60 arch/x86/kernel/dumpstack.c:155
__show_regs+0x29/0x580 arch/x86/kernel/process_64.c:73
show_regs+0x35/0x60 arch/x86/kernel/dumpstack.c:469
__warn+0x12f/0x270 kernel/panic.c:595
report_bug+0x1b1/0x2e0 lib/bug.c:195
handle_bug+0x3d/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x16/0x40 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+0x1f/0x30 kernel/locking/irqflag-debug.c:10
Code: cc cc cc cc cc cc cc cc cc cc cc 80 3d b3 d1 51 04 00 74 01 c3 c6 05 a9 d1 51 04 01 48 c7 c7 60 5d ae 89 31 c0 e8 c1 1e f7 f7 <0f> 0b c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 56 53 48 83
RSP: 0018:ffffc90000dc0c78 EFLAGS: 00010246
RAX: c8b35082db844000 RBX: ffff888025358088 RCX: ffff88801f221bc0
RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000
RBP: 1ffff920001b8190 R08: ffffffff81605dd2 R09: ffffed10173a3f1c
R10: ffffed10173a3f1c R11: 0000000000000000 R12: 0000000000000003
R13: ffff88823ffe6800 R14: 0000000000000246 R15: dffffc0000000000
kvm_wait+0x10e/0x160 arch/x86/kernel/kvm.c:860
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+0x6b5/0xb90 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+0x430/0x810 kernel/locking/spinlock_debug.c:113
spin_lock include/linux/spinlock.h:354 [inline]
tcp_tsq_handler+0x20/0x1f0 net/ipv4/tcp_output.c:1029
tcp_tasklet_func+0x403/0x450 net/ipv4/tcp_output.c:1063
tasklet_action_common+0x11c/0x3f0 kernel/softirq.c:557
__do_softirq+0x318/0x714 kernel/softirq.c:345
invoke_softirq kernel/softirq.c:221 [inline]
__irq_exit_rcu+0x1d8/0x200 kernel/softirq.c:422
irq_exit_rcu+0x5/0x20 kernel/softirq.c:434
common_interrupt+0xa1/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:623
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x7a/0xc0 kernel/locking/spinlock.c:191
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 e7 e8 1e 56 69 f8 f7 04 24 00 02 00 00 75 37 41 f7 c6 00 02 00 00 74 01 fb bf 01 00 00 00 01 7f ff f7 65 8b 05 a2 e4 ae 76 85 c0 74 28 65 48 8b 04 25 28
RSP: 0018:ffffc9000163fc40 EFLAGS: 00000206
RAX: 1ffff920002c7f88 RBX: ffff888013685c90 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff817ead60 R09: ffffed10026d0b93
R10: ffffed10026d0b93 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888013685c90 R14: 0000000000000282 R15: 1ffff920002c7f8d
spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
__wake_up_common_lock kernel/sched/wait.c:140 [inline]
__wake_up_sync_key+0xe0/0x150 kernel/sched/wait.c:205
pipe_write+0x11c3/0x1940 fs/pipe.c:580
call_write_iter include/linux/fs.h:1977 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0x896/0xab0 fs/read_write.c:605
ksys_write+0x11b/0x220 fs/read_write.c:658
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x46da15
Code: 48 3d 01 f0 ff ff 76 05 b8 ff ff ff ff 89 44 24 10 c3 cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 b8 01 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 8b 54
RSP: 002b:000000c0000a7e10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000000046da15
RDX: 0000000000000001 RSI: 000000c0000a7e3b RDI: 0000000000000005
RBP: 000000c0000a7e40 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000202 R12: 0000000000000003
R13: 000000c000082780 R14: 0000000000000004 R15: 0000000000000000