------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 8388 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1f/0x30 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 0 PID: 8388 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 83 a8 50 04 00 74 01 c3 c6 05 79 a8 50 04 01 48 c7 c7 a0 5d ae 89 31 c0 e8 f1 ce f5 f7 <0f> 0b c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 56 53 48 83 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8388 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: 0 PID: 8388 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 69 2b 8a 31 c0 e8 a8 7b ef ff b8 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2f 3c 0f fd <0f> 0b e9 e8 fd ff ff 89 d9 80 e1 07 38 c1 0f 8c 5c fe ff ff 48 89 RSP: 0000:ffffc900000074a8 EFLAGS: 00010046 RAX: ffffffff84697ce1 RBX: 0000000000000002 RCX: ffff88802059d340 RDX: 0000000000010102 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff8880b9c26260 R08: ffffffff84697ac1 R09: fffffbfff1b6b7f6 R10: fffffbfff1b6b7f6 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff110286edbd2 R14: 0000000000fe4c00 R15: ffff88814376cd30 FS: 000000c00019dc90(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c010340308 CR3: 0000000015590000 CR4: 00000000001506f0 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 33 5f 18 00 e8 7e b8 f1 07 4d 85 f6 74 df 66 0f 1f 84 00 00 00 00 00 e8 1b 5f 18 00 fb f6 44 24 0f 01 <0f> 84 2f f7 ff ff e8 0a 5f 18 00 48 c7 c7 b4 e1 71 8b be 1b 0a 00 RSP: 0000:ffffc90000007800 EFLAGS: 00000246 RAX: ffffffff816059f5 RBX: 0000000000000000 RCX: ffff88802059d340 RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007918 R08: ffffffff816059b2 R09: fffffbfff1f29aa9 R10: fffffbfff1f29aa9 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffffffff19f1e79 R14: 0000000000000200 R15: 1ffffffff19f1e72 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 83 a8 50 04 00 74 01 c3 c6 05 79 a8 50 04 01 48 c7 c7 a0 5d ae 89 31 c0 e8 f1 ce f5 f7 <0f> 0b c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 56 53 48 83 RSP: 0000:ffffc90000007c78 EFLAGS: 00010246 RAX: 3b8b39ebba0cb600 RBX: ffff888027998c48 RCX: ffff88802059d340 RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 1ffff92000000f90 R08: ffffffff81605e02 R09: ffffed1017383f1c R10: ffffed1017383f1c R11: 0000000000000000 R12: 0000000000000003 R13: ffff88823ffe6700 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:mm_account_fault mm/memory.c:4494 [inline] RIP: 0010:handle_mm_fault+0x2124/0x2570 mm/memory.c:4563 Code: 24 20 01 00 00 0f 85 5b 04 00 00 44 89 e8 48 81 c4 28 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 eb 83 e3 04 8b 6c 24 14 <83> e5 20 89 de 09 ee 31 ff e8 ce e2 cb ff 09 dd 74 5a 49 81 c7 d0 RSP: 0000:ffffc90000f3fd10 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802059d340 RDX: ffff88802059d340 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000254 R08: ffffffff81acd9ff R09: fffffbfff1b6b7f6 R10: fffffbfff1b6b7f6 R11: 0000000000000000 R12: 1ffff920001e7fc2 R13: 0000000000000000 R14: 000000c010340308 R15: ffff88802059d340 do_user_addr_fault+0x8ce/0x1120 arch/x86/mm/fault.c:1390 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0xa1/0x1e0 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577 RIP: 0033:0x420d72 Code: 00 ff c6 0f b6 3b 49 89 cb 89 f1 41 89 fc d3 ef 49 83 fb 08 74 0a 0f ba e7 04 0f 83 c2 00 00 00 41 0f a3 cc 73 b5 4b 8d 3c 0b <48> 8b 3f 48 85 ff 74 a9 49 89 fc 4c 29 cf 48 39 d7 72 9e 48 89 5c RSP: 002b:000000c000321ea8 EFLAGS: 00010247 RAX: 0000000000203004 RBX: 00007f13fc475018 RCX: 0000000000000001 RDX: 0000000000000100 RSI: 0000000000000001 RDI: 000000c010340308 RBP: 000000c000321f28 R08: 00007f13fc65afff R09: 000000c010340300 R10: 000000c00001fe98 R11: 0000000000000008 R12: 00000000000000da R13: 000000c000001e00 R14: 000000000000007f R15: ffffffffffffb0d9