------------[ cut here ]------------ WARNING: CPU: 0 PID: 493 at arch/x86/kvm/lapic.c:3398 kvm_apic_accept_events+0x361/0x480 arch/x86/kvm/lapic.c:3398 Modules linked in: CPU: 0 UID: 0 PID: 493 Comm: syz.2.18 Not tainted syzkaller #0 5fd01cd42c7983fc76f99c580f7d331b14ea7f20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:kvm_apic_accept_events+0x361/0x480 arch/x86/kvm/lapic.c:3398 Code: 85 dd 00 00 00 41 c7 07 00 00 00 00 e9 62 fe ff ff e8 73 cc 63 00 e9 58 fe ff ff e8 69 cc 63 00 e9 4e fe ff ff e8 5f cc 63 00 <0f> 0b e9 28 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 48 fd ff RSP: 0018:ffffc900011cf500 EFLAGS: 00010293 RAX: ffffffff8123f041 RBX: 0000000000000000 RCX: ffff88811de99300 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: ffffc900011cf530 R08: ffff88811de99307 R09: 1ffff11023bd3260 R10: dffffc0000000000 R11: ffffed1023bd3261 R12: dffffc0000000000 R13: ffff88811e210000 R14: 0000000000000002 R15: 1ffff11023add040 FS: 00007f1ea07a96c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000fe7008 CR3: 000000011e4ec000 CR4: 00000000003526b0 Call Trace: vcpu_block arch/x86/kvm/x86.c:11292 [inline] vcpu_run+0xb17/0x78e0 arch/x86/kvm/x86.c:11331 kvm_arch_vcpu_ioctl_run+0x1167/0x1bd0 arch/x86/kvm/x86.c:11653 kvm_vcpu_ioctl+0xa48/0x1000 virt/kvm/kvm_main.c:4515 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f1e9f99a379 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1ea07a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1e9fbf5fa0 RCX: 00007f1e9f99a379 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f1e9fa2dd68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1e9fbf6038 R14: 00007f1e9fbf5fa0 R15: 00007ffed863b5a8 ---[ end trace 0000000000000000 ]---