------------[ cut here ]------------ WARNING: CPU: 1 PID: 11298 at arch/x86/kvm/x86.c:11228 kvm_arch_vcpu_ioctl_run+0x1e9e/0x2390 arch/x86/kvm/x86.c:11228 Modules linked in: CPU: 1 PID: 11298 Comm: syz.6.1258 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1e9e/0x2390 arch/x86/kvm/x86.c:11228 Code: e8 a7 28 c1 00 e9 4e ef ff ff 44 89 f9 80 e1 07 38 c1 0f 8c db e5 ff ff 4c 89 ff e8 6c 28 c1 00 e9 ce e5 ff ff e8 52 07 71 00 <0f> 0b e9 da fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ae eb RSP: 0018:ffffc9000d18fc48 EFLAGS: 00010287 RAX: ffffffff810fc93e RBX: ffff888077c727c0 RCX: 0000000000080000 RDX: ffffc90012749000 RSI: 0000000000000f4c RDI: 0000000000000f4d RBP: ffff88807e095000 R08: dffffc0000000000 R09: fffffbfff215c473 R10: fffffbfff215c473 R11: 1ffffffff215c472 R12: ffff888077c72ab4 R13: ffff888077c72898 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f8772c236c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f6e9f6000 CR3: 000000001abbd000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x887/0xb80 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:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f8771d8eba9 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:00007f8772c23038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8771fd6270 RCX: 00007f8771d8eba9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 RBP: 00007f8771e11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8771fd6308 R14: 00007f8771fd6270 R15: 00007ffff420bef8