------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 276 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: 276 Comm: kworker/u4:6 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker 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: 1 PID: 276 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: 276 Comm: kworker/u4:6 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker 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: 0018:ffffc90000dc04a8 EFLAGS: 00010046 RAX: ffffffff84697ce1 RBX: 0000000000000002 RCX: ffff888012293780 RDX: 0000000000010102 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff8880b9d26260 R08: ffffffff84697ac1 R09: fffffbfff1b6b7f6 R10: fffffbfff1b6b7f6 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff11003024bd2 R14: 0000000000fe4c00 R15: ffff888018124d30 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa2264ac584 CR3: 0000000061517000 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 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: 0018:ffffc90000dc0800 EFLAGS: 00000246 RAX: ffffffff816059f5 RBX: 0000000000000000 RCX: ffff888012293780 RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000dc0918 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: 0018:ffffc90000dc0c78 EFLAGS: 00010246 RAX: cecf1db0bf544400 RBX: ffff8880132e0c48 RCX: ffff888012293780 RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 1ffff920001b8190 R08: ffffffff81605e02 R09: ffffed10173a5fe8 R10: ffffed10173a5fe8 R11: 0000000000000000 R12: 0000000000000003 R13: ffff88823ffe6880 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:trace_lock_acquire+0x43/0x180 include/trace/events/lock.h:13 Code: 08 0f 83 86 00 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 a8 bf b5 8d be 08 00 00 00 e8 a5 5e 60 00 48 0f a3 1d 95 b0 59 0c <73> 52 65 83 05 6b e0 a5 7e 01 48 8b 05 44 eb 46 0c e8 d7 08 f6 07 RSP: 0018:ffffc90001c4fb98 EFLAGS: 00000257 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815c0f0b RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8db5bfa8 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1b6b7f6 R10: fffffbfff1b6b7f6 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: ffffffff8c70fe80 lock_acquire+0x39/0x650 kernel/locking/lockdep.c:5481 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:267 rcu_read_lock include/linux/rcupdate.h:656 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:404 [inline] batadv_nc_worker+0xc8/0x5c0 net/batman-adv/network-coding.c:715 process_one_work+0x789/0xfd0 kernel/workqueue.c:2275 worker_thread+0xac1/0x1300 kernel/workqueue.c:2421 kthread+0x39a/0x3c0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294