------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 158 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: 158 Comm: kworker/u17:4 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: events_unbound call_usermodehelper_exec_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 RSP: 0000:ffffc90000d47720 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff8c0d9b00 RCX: 0000000000000000 RDX: ffff8880129f1bc0 RSI: ffffffff815c0d25 RDI: fffff520001a8ed6 RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815b9abe R11: 0000000000000000 R12: 0000000000000003 R13: fffffbfff181b360 R14: 0000000000000001 R15: ffff88802ca35f40 FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888010401000 CR3: 000000000bc8e000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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] dup_fd+0x260/0xc90 fs/file.c:312 copy_files kernel/fork.c:1466 [inline] copy_process+0x1f70/0x7080 kernel/fork.c:2087 kernel_clone+0xe7/0xab0 kernel/fork.c:2492 kernel_thread+0xb5/0xf0 kernel/fork.c:2544 call_usermodehelper_exec_work kernel/umh.c:172 [inline] call_usermodehelper_exec_work+0xcc/0x180 kernel/umh.c:158 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 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