[info] Using makefile-style concurrent boot in runlevel 2. [ 50.753175][ T26] audit: type=1800 audit(1568599791.529:21): pid=8947 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 50.804210][ T26] audit: type=1800 audit(1568599791.529:22): pid=8947 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.627775][ T9098] 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. [ 63.688333][ T9098] ------------[ cut here ]------------ [ 63.693819][ T9098] WARNING: CPU: 1 PID: 9098 at arch/x86/kvm/vmx/vmx.c:4678 handle_desc+0x8e/0xa0 [ 63.702894][ T9098] Kernel panic - not syncing: panic_on_warn set ... [ 63.709453][ T9098] CPU: 1 PID: 9098 Comm: syz-executor647 Not tainted 5.3.0-rc8+ #0 [ 63.717308][ T9098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.727332][ T9098] Call Trace: [ 63.730633][ T9098] dump_stack+0x1d8/0x2f8 [ 63.734934][ T9098] panic+0x25c/0x799 [ 63.738833][ T9098] ? __warn+0x126/0x230 [ 63.742961][ T9098] __warn+0x22f/0x230 [ 63.746948][ T9098] ? handle_desc+0x8e/0xa0 [ 63.751335][ T9098] report_bug+0x190/0x290 [ 63.755630][ T9098] ? handle_desc+0x8e/0xa0 [ 63.760018][ T9098] do_error_trap+0xd7/0x440 [ 63.764489][ T9098] do_invalid_op+0x36/0x40 [ 63.768880][ T9098] ? handle_desc+0x8e/0xa0 [ 63.773263][ T9098] invalid_op+0x23/0x30 [ 63.777387][ T9098] RIP: 0010:handle_desc+0x8e/0xa0 [ 63.782382][ T9098] Code: 31 ff 89 c6 e8 f3 cc 56 00 31 c0 85 db 0f 94 c0 5b 41 5e 41 5f 5d c3 e8 40 c9 56 00 48 c7 c7 aa b3 34 88 31 c0 e8 a5 0f 40 00 <0f> 0b eb c6 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 [ 63.801954][ T9098] RSP: 0018:ffff888099f0fb00 EFLAGS: 00010246 [ 63.807999][ T9098] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 870d88d6828e7a00 [ 63.815942][ T9098] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 63.823969][ T9098] RBP: ffff888099f0fb18 R08: ffffffff815cfa74 R09: ffffed1015d66088 [ 63.831951][ T9098] R10: ffffed1015d66088 R11: 0000000000000000 R12: dffffc0000000000 [ 63.839892][ T9098] R13: ffff888091118040 R14: ffff888091118040 R15: 0000000000000000 [ 63.847840][ T9098] ? vprintk_emit+0x2d4/0x3a0 [ 63.852489][ T9098] ? handle_apic_eoi_induced+0x40/0x40 [ 63.857914][ T9098] vmx_handle_exit+0x3c8/0xd50 [ 63.862648][ T9098] vcpu_enter_guest+0x3f8d/0x54b0 [ 63.867641][ T9098] ? kvm_check_async_pf_completion+0x35b/0x370 [ 63.873761][ T9098] vcpu_run+0x393/0xd40 [ 63.877890][ T9098] kvm_arch_vcpu_ioctl_run+0x636/0x900 [ 63.883315][ T9098] kvm_vcpu_ioctl+0x6cf/0xaf0 [ 63.887959][ T9098] ? kvm_vm_release+0x50/0x50 [ 63.892603][ T9098] do_vfs_ioctl+0x744/0x1730 [ 63.897160][ T9098] ? debug_smp_processor_id+0x1c/0x20 [ 63.902499][ T9098] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 63.908539][ T9098] ? tomoyo_file_ioctl+0x23/0x30 [ 63.913446][ T9098] ? security_file_ioctl+0xa1/0xd0 [ 63.918526][ T9098] __x64_sys_ioctl+0xe3/0x120 [ 63.923188][ T9098] do_syscall_64+0xfe/0x140 [ 63.927667][ T9098] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.933528][ T9098] RIP: 0033:0x443819 [ 63.937394][ T9098] 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 [ 63.956965][ T9098] RSP: 002b:00007fff494c1a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.965344][ T9098] RAX: ffffffffffffffda RBX: 00007fff494c1aa0 RCX: 0000000000443819 [ 63.973292][ T9098] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 63.981241][ T9098] RBP: 0000000000000000 R08: 00000000004010a0 R09: 00000000004010a0 [ 63.989219][ T9098] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004048c0 [ 63.997161][ T9098] R13: 0000000000404950 R14: 0000000000000000 R15: 0000000000000000 [ 64.006542][ T9098] Kernel Offset: disabled [ 64.010857][ T9098] Rebooting in 86400 seconds..