kvm [7441]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x430 kvm [7441]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x450 kvm [7441]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x470 kvm [7441]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x490 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: 1 PID: 7443 Comm: syz-executor.5 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:ffff888063767820 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888063767958 RCX: ffffc900109ba000 RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 RBP: ffff888063767878 R08: 0000000000000000 R09: 0000000000000000 R10: fffff52000327070 R11: ffffc90001938383 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88805a49b0f0 FS: 00007f67b9268700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002560e80 CR3: 0000000094a26000 CR4: 00000000001426e0 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 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f67b9267c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67b92686d4 R13: 00000000004c2c2f R14: 00000000004d62b0 R15: 00000000ffffffff Modules linked in: ---[ end trace e2bbf4dcf46f9c5e ]--- 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:ffff888063767820 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888063767958 RCX: ffffc900109ba000 RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 RBP: ffff888063767878 R08: 0000000000000000 R09: 0000000000000000 R10: fffff52000327070 R11: ffffc90001938383 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88805a49b0f0 FS: 00007f67b9268700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f21000 CR3: 0000000094a26000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400