[ 51.921671][ T26] audit: type=1800 audit(1567649590.030:21): pid=9056 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 51.963707][ T26] audit: type=1800 audit(1567649590.040:22): pid=9056 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. [ 52.884057][ T9122] sshd (9122) used greatest stack depth: 24584 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.120' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 62.691734][ T9205] 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. [ 62.716958][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 62.727734][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 62.737458][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 62.746811][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 62.760214][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 62.769756][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 62.779183][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 62.788857][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 62.798476][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 62.808739][ T9205] kvm [9205]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 62.822244][ T9205] kasan: CONFIG_KASAN_INLINE enabled [ 62.828265][ T9205] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 62.836436][ T9205] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 62.843705][ T9205] CPU: 0 PID: 9205 Comm: syz-executor353 Not tainted 5.3.0-rc7+ #0 [ 62.851771][ T9205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.862311][ T9205] RIP: 0010:__apic_accept_irq+0x46/0x740 [ 62.868137][ T9205] Code: 89 55 cc 41 89 f4 48 89 fb 49 bd 00 00 00 00 00 fc ff df e8 5c c9 5d 00 48 89 5d c0 4c 8d b3 98 00 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 2f 00 74 08 4c 89 f7 e8 6b c4 96 00 49 8b 06 48 89 45 d0 [ 62.888515][ T9205] RSP: 0018:ffff888099d079b0 EFLAGS: 00010202 [ 62.894785][ T9205] RAX: ffffffff8115c384 RBX: 0000000000000000 RCX: ffff8880a06e24c0 [ 62.902917][ T9205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.910940][ T9205] RBP: ffff888099d07a10 R08: 0000000000000000 R09: 0000000000000000 [ 62.919685][ T9205] R10: ffffed10133a0f64 R11: 0000000000000000 R12: 0000000000000000 [ 62.927647][ T9205] R13: dffffc0000000000 R14: 0000000000000098 R15: 0000000000000013 [ 62.935755][ T9205] FS: 000055555662f880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 62.944817][ T9205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.951424][ T9205] CR2: 0000000000000000 CR3: 000000008f073000 CR4: 00000000001426f0 [ 62.959384][ T9205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.967489][ T9205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.975446][ T9205] Call Trace: [ 62.978728][ T9205] kvm_apic_set_irq+0xb4/0x140 [ 62.983621][ T9205] kvm_hv_process_stimers+0x594/0x1650 [ 62.989228][ T9205] ? trace_lock_acquire+0x159/0x1d0 [ 62.994418][ T9205] ? lock_acquire+0x158/0x250 [ 62.999095][ T9205] vcpu_enter_guest+0x2b2a/0x54b0 [ 63.004107][ T9205] ? kvm_check_async_pf_completion+0x35b/0x370 [ 63.010557][ T9205] vcpu_run+0x393/0xd40 [ 63.014788][ T9205] kvm_arch_vcpu_ioctl_run+0x636/0x900 [ 63.020224][ T9205] kvm_vcpu_ioctl+0x6cf/0xaf0 [ 63.024886][ T9205] ? kvm_vm_release+0x50/0x50 [ 63.029692][ T9205] do_vfs_ioctl+0x744/0x1730 [ 63.034456][ T9205] ? debug_smp_processor_id+0x1c/0x20 [ 63.040031][ T9205] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 63.046090][ T9205] ? tomoyo_file_ioctl+0x23/0x30 [ 63.051101][ T9205] ? security_file_ioctl+0xa1/0xd0 [ 63.056650][ T9205] __x64_sys_ioctl+0xe3/0x120 [ 63.061690][ T9205] do_syscall_64+0xfe/0x140 [ 63.066922][ T9205] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.072871][ T9205] RIP: 0033:0x442a19 [ 63.076760][ T9205] 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 [ 63.096830][ T9205] RSP: 002b:00007ffd643845f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.105226][ T9205] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 63.113469][ T9205] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 63.121589][ T9205] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 63.129545][ T9205] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 63.137504][ T9205] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 63.145491][ T9205] Modules linked in: [ 63.149791][ T9205] ---[ end trace 7dd5548123adccf4 ]--- [ 63.155332][ T9205] RIP: 0010:__apic_accept_irq+0x46/0x740 [ 63.160968][ T9205] Code: 89 55 cc 41 89 f4 48 89 fb 49 bd 00 00 00 00 00 fc ff df e8 5c c9 5d 00 48 89 5d c0 4c 8d b3 98 00 00 00 4d 89 f7 49 c1 ef 03 <43> 80 3c 2f 00 74 08 4c 89 f7 e8 6b c4 96 00 49 8b 06 48 89 45 d0 [ 63.180853][ T9205] RSP: 0018:ffff888099d079b0 EFLAGS: 00010202 [ 63.186941][ T9205] RAX: ffffffff8115c384 RBX: 0000000000000000 RCX: ffff8880a06e24c0 [ 63.196224][ T9205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.204309][ T9205] RBP: ffff888099d07a10 R08: 0000000000000000 R09: 0000000000000000 [ 63.212583][ T9205] R10: ffffed10133a0f64 R11: 0000000000000000 R12: 0000000000000000 [ 63.220601][ T9205] R13: dffffc0000000000 R14: 0000000000000098 R15: 0000000000000013 [ 63.228605][ T9205] FS: 000055555662f880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 63.237566][ T9205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.244162][ T9205] CR2: 0000000000000000 CR3: 000000008f073000 CR4: 00000000001426f0 [ 63.252119][ T9205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.260582][ T9205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.268681][ T9205] Kernel panic - not syncing: Fatal exception [ 63.276565][ T9205] Kernel Offset: disabled [ 63.280896][ T9205] Rebooting in 86400 seconds..