------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 3 PID: 46 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 3 PID: 46 Comm: kworker/u17:0 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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 b1 e8 ab 04 00 74 01 c3 48 c7 c7 60 79 6b 89 c6 05 a0 e8 ab 04 01 e8 05 be 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:ffffc900006e7c58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8bdf1440 RCX: 0000000000000000 RDX: ffff888011740000 RSI: ffffffff815b4475 RDI: fffff520000dcf7d RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815ad1de R11: 0000000000000000 R12: 0000000000000003 R13: fffffbfff17be288 R14: 0000000000000001 R15: ffff88802cd36000 FS: 0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 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] pgd_dtor arch/x86/mm/pgtable.c:148 [inline] pgd_free+0x1e/0x1a0 arch/x86/mm/pgtable.c:474 mm_free_pgd kernel/fork.c:632 [inline] __mmdrop+0xcb/0x400 kernel/fork.c:683 mmdrop include/linux/sched/mm.h:49 [inline] __mmput+0x3b4/0x470 kernel/fork.c:1092 mmput+0x58/0x60 kernel/fork.c:1103 free_bprm+0x65/0x2e0 fs/exec.c:1478 kernel_execve+0x380/0x460 fs/exec.c:1975 call_usermodehelper_exec_async+0x2de/0x580 kernel/umh.c:110 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294