[info] Using makefile-style concurrent boot in runlevel 2. [ 23.570294] audit: type=1800 audit(1538093529.981:21): pid=5171 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 23.598956] audit: type=1800 audit(1538093529.981:22): pid=5171 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 '10.128.0.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.693905] 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. [ 51.713400] kasan: CONFIG_KASAN_INLINE enabled [ 51.717983] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.725338] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.731550] CPU: 1 PID: 5327 Comm: syz-executor571 Not tainted 4.19.0-rc5+ #160 [ 51.738977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.748426] RIP: 0010:__lock_acquire+0x237/0x4ec0 [ 51.753261] Code: 28 00 00 00 0f 85 aa 33 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 35 00 00 49 81 7d 00 20 c6 8e 8a 0f 84 54 ff [ 51.772161] RSP: 0018:ffff8801ccfb7030 EFLAGS: 00010006 [ 51.777518] RAX: dffffc0000000000 RBX: 1ffff100399f6e82 RCX: 0000000000000000 [ 51.784945] RDX: 0000000000000039 RSI: 0000000000000000 RDI: ffffffff89723ac0 [ 51.792199] RBP: ffff8801ccfb73b8 R08: 0000000000000001 R09: 0000000000000001 [ 51.799454] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 51.806845] R13: 00000000000001c8 R14: ffff8801d8cf4640 R15: 0000000000000000 [ 51.814103] FS: 0000000000000000(0000) GS:ffff8801dad00000(0063) knlGS:00000000081bd840 [ 51.822307] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 51.828170] CR2: 0000000020000280 CR3: 00000001d9106000 CR4: 00000000001426e0 [ 51.835422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.842721] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.849976] Call Trace: [ 51.852547] ? tg_nop+0x10/0x10 [ 51.855992] ? vmx_vcpu_put+0x1d/0x20 [ 51.859776] ? native_set_debugreg+0x31/0x40 [ 51.864165] ? kvm_arch_vcpu_put+0x2ef/0x420 [ 51.868562] ? mark_held_locks+0x130/0x130 [ 51.872806] ? kvm_arch_vcpu_put+0x420/0x420 [ 51.877204] ? mark_held_locks+0x130/0x130 [ 51.881468] ? find_held_lock+0x36/0x1c0 [ 51.885517] ? add_timer+0x63f/0x1490 [ 51.889302] ? lock_downgrade+0x900/0x900 [ 51.893428] ? check_preemption_disabled+0x48/0x200 [ 51.898446] ? trace_hardirqs_off+0xb8/0x310 [ 51.902837] ? kasan_check_read+0x11/0x20 [ 51.906962] ? do_raw_spin_unlock+0xa7/0x2f0 [ 51.911457] ? trace_hardirqs_on+0x310/0x310 [ 51.915889] ? calc_wheel_index+0x220/0x220 [ 51.920197] ? print_usage_bug+0xc0/0xc0 [ 51.924248] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 51.929335] ? add_timer+0x644/0x1490 [ 51.933136] lock_acquire+0x1ed/0x520 [ 51.936955] ? kvm_ioapic_scan_entry+0x7f/0x3c0 [ 51.941701] ? lock_release+0x970/0x970 [ 51.945673] ? vmx_flush_tlb_gva+0x380/0x380 [ 51.950067] _raw_spin_lock+0x2d/0x40 [ 51.953856] ? kvm_ioapic_scan_entry+0x7f/0x3c0 [ 51.958507] kvm_ioapic_scan_entry+0x7f/0x3c0 [ 51.962990] vcpu_enter_guest+0x492f/0x62b0 [ 51.967420] ? __mutex_lock+0x85e/0x1700 [ 51.971575] ? queue_delayed_work_on+0xec/0x1f0 [ 51.976233] ? emulator_read_emulated+0x50/0x50 [ 51.980905] ? mutex_trylock+0x2b0/0x2b0 [ 51.984950] ? vmx_vcpu_load+0xb06/0x1030 [ 51.989086] ? find_held_lock+0x36/0x1c0 [ 51.993131] ? graph_lock+0x170/0x170 [ 51.996929] ? kvm_vcpu_ioctl+0x28c/0x1150 [ 52.001151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.006670] ? check_preemption_disabled+0x48/0x200 [ 52.011670] ? check_preemption_disabled+0x48/0x200 [ 52.016671] ? __lock_is_held+0xb5/0x140 [ 52.020723] ? lock_acquire+0x1ed/0x520 [ 52.024791] ? kvm_arch_vcpu_ioctl_run+0x234/0x16e0 [ 52.029790] ? lock_release+0x970/0x970 [ 52.033744] ? kvm_gen_update_masterclock+0x350/0x350 [ 52.038917] ? kvm_arch_dev_ioctl+0x630/0x630 [ 52.043392] ? rcu_bh_qs+0xc0/0xc0 [ 52.046916] kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 52.051737] ? kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 52.056747] kvm_vcpu_ioctl+0x72b/0x1150 [ 52.060863] ? kvm_vcpu_block+0x1030/0x1030 [ 52.065172] ? kvm_dev_ioctl+0x18a/0x1b10 [ 52.069310] ? save_stack+0xa9/0xd0 [ 52.072919] ? save_stack+0x43/0xd0 [ 52.076521] ? __kasan_slab_free+0x102/0x150 [ 52.080910] ? kmem_cache_free+0x83/0x290 [ 52.085038] ? do_sys_open+0x54d/0x700 [ 52.088914] ? __ia32_compat_sys_openat+0x98/0xf0 [ 52.093760] ? do_fast_syscall_32+0x34d/0xfb2 [ 52.098255] ? entry_SYSENTER_compat+0x70/0x7f [ 52.102825] ? trace_hardirqs_off+0xb8/0x310 [ 52.107209] ? kasan_check_read+0x11/0x20 [ 52.111341] ? do_raw_spin_unlock+0xa7/0x2f0 [ 52.115870] ? trace_hardirqs_on+0x310/0x310 [ 52.120267] ? kasan_check_write+0x14/0x20 [ 52.124486] ? trace_hardirqs_off+0xb8/0x310 [ 52.128877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.134392] ? check_preemption_disabled+0x48/0x200 [ 52.139385] ? check_preemption_disabled+0x48/0x200 [ 52.144487] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 52.150011] ? rcu_pm_notify+0xc0/0xc0 [ 52.153882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.159412] ? __fget_light+0x2e9/0x430 [ 52.163378] kvm_vcpu_compat_ioctl+0x210/0x4a0 [ 52.167958] ? kvm_vcpu_ioctl+0x1150/0x1150 [ 52.172267] ? do_fast_syscall_32+0x150/0xfb2 [ 52.176745] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.181319] ? kvm_vcpu_ioctl+0x1150/0x1150 [ 52.185626] __ia32_compat_sys_ioctl+0x20e/0x630 [ 52.190375] do_fast_syscall_32+0x34d/0xfb2 [ 52.194681] ? do_int80_syscall_32+0x890/0x890 [ 52.199310] ? entry_SYSENTER_compat+0x68/0x7f [ 52.203887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 52.208885] ? syscall_return_slowpath+0x5e0/0x5e0 [ 52.213794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.219143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.223968] ? trace_hardirqs_on_caller+0x310/0x310 [ 52.228970] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 52.233970] ? prepare_exit_to_usermode+0x291/0x3b0 [ 52.238967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.243799] entry_SYSENTER_compat+0x70/0x7f [ 52.248201] RIP: 0023:0xf7fcfca9 [ 52.251550] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 52.270434] RSP: 002b:00000000ffbbb9ec EFLAGS: 00000207 ORIG_RAX: 0000000000000036 [ 52.278127] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 52.285376] RDX: 0000000000000000 RSI: 0000000000000036 RDI: 0000000000000005 [ 52.292626] RBP: 000000004008ae89 R08: 0000000000000000 R09: 0000000000000000 [ 52.299874] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 52.307125] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.314375] Modules linked in: [ 52.317553] ---[ end trace f8d31e3a49e49cee ]--- [ 52.322295] RIP: 0010:__lock_acquire+0x237/0x4ec0 [ 52.327121] Code: 28 00 00 00 0f 85 aa 33 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 35 00 00 49 81 7d 00 20 c6 8e 8a 0f 84 54 ff [ 52.346006] RSP: 0018:ffff8801ccfb7030 EFLAGS: 00010006 [ 52.351352] RAX: dffffc0000000000 RBX: 1ffff100399f6e82 RCX: 0000000000000000 [ 52.358601] RDX: 0000000000000039 RSI: 0000000000000000 RDI: ffffffff89723ac0 [ 52.365858] RBP: ffff8801ccfb73b8 R08: 0000000000000001 R09: 0000000000000001 [ 52.373107] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 52.380353] R13: 00000000000001c8 R14: ffff8801d8cf4640 R15: 0000000000000000 [ 52.387601] FS: 0000000000000000(0000) GS:ffff8801dad00000(0063) knlGS:00000000081bd840 [ 52.395866] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 52.401738] CR2: 0000000020000280 CR3: 00000001d9106000 CR4: 00000000001426e0 [ 52.408994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.416250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.423610] Kernel panic - not syncing: Fatal exception [ 52.429818] Kernel Offset: disabled [ 52.433439] Rebooting in 86400 seconds..