------------[ cut here ]------------ WARNING: CPU: 2 PID: 12330 at arch/x86/kvm/x86.c:11563 kvm_arch_vcpu_ioctl_run+0x14df/0x1980 arch/x86/kvm/x86.c:11563 Modules linked in: CPU: 2 UID: 0 PID: 12330 Comm: syz.3.1222 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x14df/0x1980 arch/x86/kvm/x86.c:11563 Code: 0a 00 00 00 00 00 00 e8 0f 6a be 1e 31 ff 89 c5 89 c6 e8 d4 f6 79 00 85 ed 0f 8f d9 ef ff ff e9 25 f0 ff ff e8 82 fb 79 00 90 <0f> 0b 90 e9 81 ef ff ff e8 74 fb 79 00 90 0f 0b 90 e9 b8 ef ff ff RSP: 0018:ffffc9000ea07c30 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880267d8000 RCX: ffffffff814192bf RDX: ffff888058c44880 RSI: ffffffff8141a33e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880341fd000 R13: ffff8880267d80d8 R14: 0000000000000000 R15: ffff8880267d8334 FS: 00007f44a0b5b6c0(0000) GS:ffff8880d68b2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44a0b59568 CR3: 000000005ba9e000 CR4: 0000000000352ef0 Call Trace: kvm_vcpu_ioctl+0x5eb/0x1690 virt/kvm/kvm_main.c:4466 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f449fd8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f44a0b5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f449ffe6090 RCX: 00007f449fd8eec9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f449fe11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f449ffe6128 R14: 00007f449ffe6090 R15: 00007ffd8feacd38