------------[ cut here ]------------ WARNING: CPU: 0 PID: 5357 at arch/x86/kvm/x86.c:11263 kvm_arch_vcpu_ioctl_run+0x1ebc/0x23b0 arch/x86/kvm/x86.c:11263 Modules linked in: CPU: 0 PID: 5357 Comm: syz.0.265 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1ebc/0x23b0 arch/x86/kvm/x86.c:11263 Code: e8 49 70 c3 00 e9 30 ef ff ff 44 89 f9 80 e1 07 38 c1 0f 8c bd e5 ff ff 4c 89 ff e8 0e 70 c3 00 e9 b0 e5 ff ff e8 14 65 72 00 <0f> 0b e9 da fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 90 eb RSP: 0018:ffffc900053cfc48 EFLAGS: 00010287 RAX: ffffffff81100f7c RBX: ffff88807a07a7c0 RCX: 0000000000080000 RDX: ffffc900045aa000 RSI: 00000000000003d6 RDI: 00000000000003d7 RBP: ffff888057fea000 R08: dffffc0000000000 R09: 1ffffffff215ee6b R10: dffffc0000000000 R11: fffffbfff215ee6c R12: ffff88807a07aab4 R13: ffff88807a07a898 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fdac872e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2d43ec CR3: 00000000298b5000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x8f7/0xc10 virt/kvm/kvm_main.c:4122 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdac779c819 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:00007fdac872e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdac7a15fa0 RCX: 00007fdac779c819 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007fdac7832c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdac7a16038 R14: 00007fdac7a15fa0 R15: 00007fff1f54bae8