kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
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WARNING: CPU: 1 PID: 5505 at arch/x86/kvm/lapic.c:345 kvm_recalculate_logical_map arch/x86/kvm/lapic.c:345 [inline]
WARNING: CPU: 1 PID: 5505 at arch/x86/kvm/lapic.c:345 kvm_recalculate_apic_map+0xc7b/0x1650 arch/x86/kvm/lapic.c:449
Modules linked in:
CPU: 1 PID: 5505 Comm: syz-executor.0 Not tainted 6.9.0-rc3-next-20240408-syzkaller-04253-g11cb68ad52ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:kvm_recalculate_logical_map arch/x86/kvm/lapic.c:345 [inline]
RIP: 0010:kvm_recalculate_apic_map+0xc7b/0x1650 arch/x86/kvm/lapic.c:449
Code: 7c 00 83 fb 01 7e 30 83 fb 02 74 64 83 fb 03 74 75 83 fb 04 0f 85 c1 00 00 00 e8 10 e5 7c 00 e9 c0 00 00 00 e8 06 e5 7c 00 90 <0f> 0b 90 48 8b 5c 24 10 e9 4f ff ff ff 85 db 0f 84 8d 00 00 00 83
RSP: 0018:ffffc900046373e0 EFLAGS: 00010293
RAX: ffffffff8119088a RBX: 0000000000000001 RCX: ffff8880299cda00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000082000
RBP: ffffc90004637530 R08: ffffffff81190799 R09: 1ffffffff1f5849d
R10: dffffc0000000000 R11: fffffbfff1f5849e R12: ffffc900046374c0
R13: dffffc0000000000 R14: 0000000000082000 R15: ffff8880656e0024
FS:  00007f5cdf3776c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002004d008 CR3: 0000000023330000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_apic_set_state+0x39d/0x15d0 arch/x86/kvm/lapic.c:3030
 kvm_vcpu_ioctl_set_lapic+0x20/0x190 arch/x86/kvm/x86.c:5147
 kvm_arch_vcpu_ioctl+0x139d/0x29a0 arch/x86/kvm/x86.c:5909
 kvm_vcpu_ioctl+0x6e0/0xd00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4620
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7f5cde67c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5cdf3770c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5cde79bf80 RCX: 00007f5cde67c959
RDX: 0000000020000880 RSI: 000000004400ae8f RDI: 0000000000000005
RBP: 00007f5cde6d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5cde79bf80 R15: 00007ffcd27a4808
 </TASK>