[info] Using makefile-style concurrent boot in runlevel 2. [ 25.249314] audit: type=1800 audit(1544925906.938:21): pid=5806 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.277786] audit: type=1800 audit(1544925906.938:22): pid=5806 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.21' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.019481] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 38.044196] kasan: CONFIG_KASAN_INLINE enabled [ 38.048975] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.056382] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 38.062604] CPU: 1 PID: 5962 Comm: syz-executor118 Not tainted 4.20.0-rc6+ #374 [ 38.070027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.079380] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x5296/0x7320 [ 38.085077] Code: 03 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 b4 1e 00 00 49 8b 9f e0 03 00 00 48 8d bb 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 8a 1e 00 00 48 8b 9b 88 00 00 00 48 8d bb d8 [ 38.103969] RSP: 0018:ffff8881be6bf530 EFLAGS: 00010206 [ 38.109462] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffffff8110198b [ 38.116714] RDX: 0000000000000000 RSI: ffffffff81103a68 RDI: 0000000000000088 [ 38.123968] RBP: ffff8881be6bf8d0 R08: ffff8881c2362640 R09: 0000000000000008 [ 38.131219] R10: 0000000000000028 R11: ffffffff810feb0f R12: dffffc0000000000 [ 38.138471] R13: 0000000000000000 R14: ffffc90005e03db8 R15: ffff8881c2b70080 [ 38.145723] FS: 0000000000e17880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 38.153928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.159789] CR2: 0000000020000040 CR3: 00000001d2bc9000 CR4: 00000000001426e0 [ 38.167052] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.174312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.181646] Call Trace: [ 38.184399] ? queue_delayed_work_on+0x14c/0x1f0 [ 38.189148] ? queue_delayed_work_on+0x14c/0x1f0 [ 38.193891] ? kvm_vcpu_ioctl+0x1e5/0x1150 [ 38.198123] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 38.202697] ? vmx_cpuid_update+0xd60/0xd60 [ 38.207007] ? kvm_arch_vcpu_runnable+0x710/0x710 [ 38.211834] ? zap_class+0x640/0x640 [ 38.215533] ? kvm_vcpu_ioctl+0x28c/0x1150 [ 38.219750] ? lock_downgrade+0x900/0x900 [ 38.223880] ? kvm_arch_vcpu_postcreate+0xdf/0x290 [ 38.228790] ? find_held_lock+0x36/0x1c0 [ 38.232832] ? get_task_pid+0x1ea/0x3b0 [ 38.236786] ? lock_downgrade+0x900/0x900 [ 38.240913] ? check_preemption_disabled+0x48/0x280 [ 38.246000] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 38.250911] ? kasan_check_read+0x11/0x20 [ 38.255044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 38.260308] ? rcu_softirq_qs+0x20/0x20 [ 38.264264] ? get_task_pid+0x211/0x3b0 [ 38.268218] ? find_get_pid+0x270/0x270 [ 38.272178] kvm_vcpu_ioctl+0x5c8/0x1150 [ 38.276220] ? kvm_vcpu_ioctl+0x5c8/0x1150 [ 38.280436] ? kvm_uevent_notify_change.part.32+0x450/0x450 [ 38.286148] ? is_bpf_text_address+0xd3/0x170 [ 38.290625] ? kernel_text_address+0x79/0xf0 [ 38.295021] ? __kernel_text_address+0xd/0x40 [ 38.299508] ? unwind_get_return_address+0x61/0xa0 [ 38.304426] ? __save_stack_trace+0x8d/0xf0 [ 38.308731] ? save_stack+0xa9/0xd0 [ 38.312361] ? save_stack+0x43/0xd0 [ 38.315978] ? __kasan_slab_free+0x102/0x150 [ 38.320389] ? kasan_slab_free+0xe/0x10 [ 38.324369] ? putname+0xf2/0x130 [ 38.327810] ? do_sys_open+0x54d/0x700 [ 38.331680] ? __x64_sys_openat+0x9d/0x100 [ 38.335900] ? do_syscall_64+0x1b9/0x820 [ 38.339950] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.345315] ? trace_hardirqs_off+0xb8/0x310 [ 38.349723] ? kasan_check_read+0x11/0x20 [ 38.353859] ? do_raw_spin_unlock+0xa7/0x330 [ 38.358257] ? trace_hardirqs_on+0x310/0x310 [ 38.362651] ? trace_hardirqs_off+0xb8/0x310 [ 38.367045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.372571] ? kvm_uevent_notify_change.part.32+0x450/0x450 [ 38.378270] do_vfs_ioctl+0x1de/0x1790 [ 38.382142] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 38.387660] ? ioctl_preallocate+0x300/0x300 [ 38.392064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.397591] ? __fget_light+0x2e9/0x430 [ 38.401551] ? fget_raw+0x20/0x20 [ 38.404991] ? putname+0xf2/0x130 [ 38.408438] ? rcu_read_lock_sched_held+0x14f/0x180 [ 38.413466] ? kmem_cache_free+0x24f/0x290 [ 38.417691] ? putname+0xf7/0x130 [ 38.421129] ? do_syscall_64+0x9a/0x820 [ 38.425085] ? do_syscall_64+0x9a/0x820 [ 38.429045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 38.433609] ? security_file_ioctl+0x94/0xc0 [ 38.438189] ksys_ioctl+0xa9/0xd0 [ 38.441629] __x64_sys_ioctl+0x73/0xb0 [ 38.445510] do_syscall_64+0x1b9/0x820 [ 38.449387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.454736] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.459649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.464487] ? trace_hardirqs_on_caller+0x310/0x310 [ 38.469500] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.474503] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.479579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.484423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.489595] RIP: 0033:0x440859 [ 38.492773] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 38.511720] RSP: 002b:00007fff16fec8f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 38.519431] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440859 [ 38.526687] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 [ 38.534024] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 38.541293] R10: 00000000004002c8 R11: 0000000000000207 R12: 00000000004020e0 [ 38.548546] R13: 0000000000402170 R14: 0000000000000000 R15: 0000000000000000 [ 38.555801] Modules linked in: [ 38.559401] ---[ end trace 893a1b8ec645980a ]--- [ 38.564170] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x5296/0x7320 [ 38.570159] Code: 03 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 b4 1e 00 00 49 8b 9f e0 03 00 00 48 8d bb 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 8a 1e 00 00 48 8b 9b 88 00 00 00 48 8d bb d8 [ 38.589117] RSP: 0018:ffff8881be6bf530 EFLAGS: 00010206 [ 38.594476] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffffff8110198b [ 38.601760] RDX: 0000000000000000 RSI: ffffffff81103a68 RDI: 0000000000000088 [ 38.609037] RBP: ffff8881be6bf8d0 R08: ffff8881c2362640 R09: 0000000000000008 [ 38.616316] R10: 0000000000000028 R11: ffffffff810feb0f R12: dffffc0000000000 [ 38.623587] R13: 0000000000000000 R14: ffffc90005e03db8 R15: ffff8881c2b70080 [ 38.630880] FS: 0000000000e17880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 38.639125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.644999] CR2: 0000000020000040 CR3: 00000001d2bc9000 CR4: 00000000001426e0 [ 38.652328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.659634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.666929] Kernel panic - not syncing: Fatal exception [ 38.680342] Kernel Offset: disabled [ 38.683978] Rebooting in 86400 seconds..