kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9936 Comm: syz-executor965 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__apic_accept_irq+0x46/0xbc0 arch/x86/kvm/lapic.c:1029 Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 RSP: 0018:ffff888095fb78d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888095fb7a08 RCX: 0000000000000000 RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 RBP: ffff888095fb7928 R08: 0000000000000000 R09: 0000000000000000 R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809152aff0 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000572b2840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008fc40000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_apic_set_irq+0x10b/0x170 arch/x86/kvm/lapic.c:558 stimer_notify_direct arch/x86/kvm/hyperv.c:648 [inline] stimer_expiration arch/x86/kvm/hyperv.c:659 [inline] kvm_hv_process_stimers+0xd55/0x1a10 arch/x86/kvm/hyperv.c:686 vcpu_enter_guest+0x4d2/0x5e90 arch/x86/kvm/x86.c:7896 vcpu_run arch/x86/kvm/x86.c:8152 [inline] kvm_arch_vcpu_ioctl_run+0x464/0x1750 arch/x86/kvm/x86.c:8360 kvm_vcpu_ioctl+0x4dc/0xfd0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2765 kvm_vcpu_compat_ioctl+0x1c4/0x3a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2961 __do_compat_sys_ioctl fs/compat_ioctl.c:1049 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:995 [inline] __ia32_compat_sys_ioctl+0x195/0x620 fs/compat_ioctl.c:995 do_syscall_32_irqs_on arch/x86/entry/common.c:332 [inline] do_fast_syscall_32+0x27b/0xdb3 arch/x86/entry/common.c:403 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f0ea29 Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ffefcccc EFLAGS: 00000217 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 RDX: 0000000000000000 RSI: 0000000000000036 RDI: 00000000ffffffff RBP: 000000004020ae46 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 6f36be98099efadb ]--- RIP: 0010:__apic_accept_irq+0x46/0xbc0 arch/x86/kvm/lapic.c:1029 Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 RSP: 0018:ffff888095fb78d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888095fb7a08 RCX: 0000000000000000 RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 RBP: ffff888095fb7928 R08: 0000000000000000 R09: 0000000000000000 R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809152aff0 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000572b2840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008fc40000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400