Warning: Permanently added '10.128.0.196' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.838097][ T9878] 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. [ 89.891634][ T9878] ------------[ cut here ]------------ [ 89.897314][ T9878] WARNING: CPU: 0 PID: 9878 at arch/x86/kvm/vmx/vmx.c:4678 handle_desc.cold+0x11/0x18 [ 89.906840][ T9878] Kernel panic - not syncing: panic_on_warn set ... [ 89.913415][ T9878] CPU: 0 PID: 9878 Comm: syz-executor390 Not tainted 5.3.0+ #0 [ 89.920935][ T9878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.930968][ T9878] Call Trace: [ 89.934277][ T9878] dump_stack+0x172/0x1f0 [ 89.938615][ T9878] ? free_kvm_area+0xa5/0x14d [ 89.943284][ T9878] panic+0x2dc/0x755 [ 89.947158][ T9878] ? add_taint.cold+0x16/0x16 [ 89.951829][ T9878] ? __kasan_check_write+0x14/0x20 [ 89.956930][ T9878] ? __warn.cold+0x5/0x4c [ 89.961247][ T9878] ? __warn+0xe7/0x1e0 [ 89.965299][ T9878] ? handle_desc.cold+0x11/0x18 [ 89.970318][ T9878] __warn.cold+0x20/0x4c [ 89.974540][ T9878] ? wake_up_klogd+0x99/0xd0 [ 89.979111][ T9878] ? handle_desc.cold+0x11/0x18 [ 89.983938][ T9878] report_bug+0x263/0x2b0 [ 89.988250][ T9878] do_error_trap+0x11b/0x200 [ 89.992821][ T9878] do_invalid_op+0x37/0x50 [ 89.997242][ T9878] ? handle_desc.cold+0x11/0x18 [ 90.002080][ T9878] invalid_op+0x23/0x30 [ 90.006394][ T9878] RIP: 0010:handle_desc.cold+0x11/0x18 [ 90.011828][ T9878] Code: 00 48 c7 c7 20 e7 83 87 c6 05 77 04 86 08 01 e8 f7 65 40 00 e9 a5 42 fd ff e8 e9 c6 56 00 48 c7 c7 80 e7 83 87 e8 e1 65 40 00 <0f> 0b e9 75 44 fd ff e8 d1 c6 56 00 89 de 48 c7 c7 e0 e7 83 87 c6 [ 90.031499][ T9878] RSP: 0018:ffff88809336f9a0 EFLAGS: 00010282 [ 90.037541][ T9878] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 90.045499][ T9878] RDX: 0000000000000000 RSI: ffffffff815c3826 RDI: ffffed101266df26 [ 90.053448][ T9878] RBP: ffff88809336f9b0 R08: 0000000000000024 R09: ffffed1015d060d1 [ 90.061409][ T9878] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff8880958c8040 [ 90.069358][ T9878] R13: 000000000000002f R14: ffff8880958cbc0c R15: ffff8880958c8070 [ 90.077323][ T9878] ? vprintk_func+0x86/0x189 [ 90.081894][ T9878] ? handle_wbinvd+0x20/0x20 [ 90.086462][ T9878] vmx_handle_exit+0x299/0x15e0 [ 90.091318][ T9878] vcpu_enter_guest+0x1087/0x5e90 [ 90.096340][ T9878] ? handle_emulation_failure+0x4e0/0x4e0 [ 90.102075][ T9878] ? lock_acquire+0x190/0x410 [ 90.106761][ T9878] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 90.112957][ T9878] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 90.118488][ T9878] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 90.124207][ T9878] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 90.129052][ T9878] ? kvm_write_guest_cached+0x40/0x40 [ 90.134424][ T9878] ? tomoyo_path_number_perm+0x263/0x520 [ 90.140060][ T9878] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 90.145885][ T9878] ? filename_lookup+0x294/0x410 [ 90.150821][ T9878] ? page_to_nid.part.0+0x20/0x20 [ 90.155859][ T9878] ? kvm_write_guest_cached+0x40/0x40 [ 90.161213][ T9878] do_vfs_ioctl+0xdb6/0x13e0 [ 90.165871][ T9878] ? ioctl_preallocate+0x210/0x210 [ 90.170966][ T9878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.177202][ T9878] ? user_path_at_empty+0x43/0x50 [ 90.182206][ T9878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.188424][ T9878] ? tomoyo_file_ioctl+0x23/0x30 [ 90.193335][ T9878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.199579][ T9878] ? security_file_ioctl+0x8d/0xc0 [ 90.204759][ T9878] ksys_ioctl+0xab/0xd0 [ 90.208896][ T9878] __x64_sys_ioctl+0x73/0xb0 [ 90.213482][ T9878] do_syscall_64+0xfd/0x6a0 [ 90.218243][ T9878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.224144][ T9878] RIP: 0033:0x443819 [ 90.228020][ T9878] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 1b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.247653][ T9878] RSP: 002b:00007ffe512f8218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.256054][ T9878] RAX: ffffffffffffffda RBX: 00007ffe512f8220 RCX: 0000000000443819 [ 90.264014][ T9878] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 90.271963][ T9878] RBP: 0000000000000000 R08: 00000000004010a0 R09: 00000000004010a0 [ 90.279919][ T9878] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004048c0 [ 90.288212][ T9878] R13: 0000000000404950 R14: 0000000000000000 R15: 0000000000000000 [ 90.297730][ T9878] Kernel Offset: disabled [ 90.302143][ T9878] Rebooting in 86400 seconds..