kvm_intel: KVM_SET_TSS_ADDR needs to be called before running vCPU kvm_intel: set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 26960 at arch/x86/kvm/emulate.c:1648 __load_segment_descriptor+0x1315/0x14c0 Modules linked in: CPU: 1 PID: 26960 Comm: syz-executor.3 Not tainted 6.4.0-syzkaller-12454-g1c7873e33645 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:__load_segment_descriptor+0x1315/0x14c0 arch/x86/kvm/emulate.c:1648 Code: cf 00 44 89 fa e9 de f1 ff ff 44 89 f1 80 e1 07 38 c1 0f 8c f2 f1 ff ff 4c 89 f7 e8 35 46 cf 00 e9 e5 f1 ff ff e8 0b 90 76 00 <0f> 0b e9 fa f9 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c c5 f3 ff RSP: 0018:ffffc90016867380 EFLAGS: 00010287 RAX: ffffffff811573a5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90004104000 RSI: 0000000000000fdc RDI: 0000000000000fdd RBP: ffffc90016867530 R08: ffffffff8115697d R09: ffffffff811568ba R10: 0000000000000004 R11: ffff88807d445940 R12: 000000000000000d R13: dffffc0000000000 R14: 0000000000209b00 R15: 0000000000000000 FS: 00007f36aa6fc700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020032008 CR3: 00000000206f2000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: load_segment_descriptor arch/x86/kvm/emulate.c:1775 [inline] __emulate_int_real+0x650/0x8f0 arch/x86/kvm/emulate.c:2061 emulate_int_real+0x72/0x1f0 arch/x86/kvm/emulate.c:2075 kvm_inject_realmode_interrupt+0xed/0x2c0 arch/x86/kvm/x86.c:8435 kvm_check_and_inject_events arch/x86/kvm/x86.c:10082 [inline] vcpu_enter_guest arch/x86/kvm/x86.c:10646 [inline] vcpu_run+0x397f/0x82f0 arch/x86/kvm/x86.c:10951 kvm_arch_vcpu_ioctl_run+0x866/0x1510 arch/x86/kvm/x86.c:11172 kvm_vcpu_ioctl+0x7f4/0xd00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4112 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f36a9a8c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36aa6fc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f36a9babf80 RCX: 00007f36a9a8c389 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f36a9ad7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd024e7cf R14: 00007f36aa6fc300 R15: 0000000000022000