[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.111310][ T24] audit: type=1800 audit(1561251999.408:25): pid=8773 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 70.157867][ T24] audit: type=1800 audit(1561251999.408:26): pid=8773 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 70.205683][ T24] audit: type=1800 audit(1561251999.408:27): pid=8773 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.10.49' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 82.435448][ T8926] IPVS: ftp: loaded support on port[0] = 21 [ 82.474775][ T8928] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.510307][ T8930] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.551064][ T8932] IPVS: ftp: loaded support on port[0] = 21 [ 82.589089][ T8934] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.625880][ T8936] IPVS: ftp: loaded support on port[0] = 21 [ 82.662951][ T8938] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.698604][ T8940] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.739004][ T8942] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.780173][ T8944] IPVS: ftp: loaded support on port[0] = 21 [ 82.819157][ T8946] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.857993][ T8948] IPVS: ftp: loaded support on port[0] = 21 [ 82.894701][ T8950] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.933589][ T8952] IPVS: ftp: loaded support on port[0] = 21 [ 82.972435][ T8954] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.010502][ T8956] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.070590][ T8960] IPVS: ftp: loaded support on port[0] = 21 [ 83.106122][ T8962] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.147264][ T8964] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.211605][ T8966] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.273941][ T8968] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.333398][ T8970] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.393387][ T8972] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.452972][ T8974] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.515074][ T8976] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.573264][ T8978] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.631939][ T8980] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.686801][ T8982] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.744448][ T8984] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.802386][ T8986] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.859133][ T8988] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.921661][ T8990] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.981737][ T8992] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.044187][ T8994] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.105117][ T8996] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.165935][ T8998] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.216687][ T9000] IPVS: ftp: loaded support on port[0] = 21 [ 84.254987][ T9002] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.300008][ T9004] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.360578][ T9006] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.401728][ T9008] IPVS: ftp: loaded support on port[0] = 21 [ 84.439148][ T9010] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.474758][ T9012] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.522562][ T9014] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.581456][ T9016] IPVS: ftp: loaded support on port[0] = 21 [ 84.616851][ T9018] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program [ 84.653389][ T9020] IPVS: ftp: loaded support on port[0] = 21 [ 84.688351][ T9022] IPVS: ftp: loaded support on port[0] = 21 [ 84.733799][ T9024] IPVS: ftp: loaded support on port[0] = 21 [ 84.770954][ T9026] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.804855][ T9028] IPVS: ftp: loaded support on port[0] = 21 [ 84.840042][ T9030] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.874273][ T9032] IPVS: ftp: loaded support on port[0] = 21 [ 84.910319][ T9034] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.945462][ T9036] IPVS: ftp: loaded support on port[0] = 21 [ 84.980170][ T9038] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.014839][ T9040] IPVS: ftp: loaded support on port[0] = 21 [ 85.050987][ T9042] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.086935][ T9044] IPVS: ftp: loaded support on port[0] = 21 [ 85.121904][ T9046] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.156806][ T9048] IPVS: ftp: loaded support on port[0] = 21 [ 85.191302][ T9050] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.227880][ T9052] IPVS: ftp: loaded support on port[0] = 21 [ 85.263678][ T9054] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.300065][ T9056] IPVS: ftp: loaded support on port[0] = 21 [ 85.335172][ T9058] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.371357][ T9060] IPVS: ftp: loaded support on port[0] = 21 [ 85.407264][ T9062] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.445639][ T9064] IPVS: ftp: loaded support on port[0] = 21 [ 85.480641][ T9066] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.520618][ T9068] IPVS: ftp: loaded support on port[0] = 21 [ 85.556846][ T9070] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.596672][ T9072] IPVS: ftp: loaded support on port[0] = 21 [ 85.633062][ T9074] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.671770][ T9076] IPVS: ftp: loaded support on port[0] = 21 [ 85.709746][ T9078] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.748356][ T9080] IPVS: ftp: loaded support on port[0] = 21 [ 85.784347][ T9082] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.820453][ T9084] IPVS: ftp: loaded support on port[0] = 21 [ 85.857262][ T9086] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.893504][ T9088] IPVS: ftp: loaded support on port[0] = 21 [ 85.931432][ T9090] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 85.969143][ T9092] IPVS: ftp: loaded support on port[0] = 21 [ 86.008397][ T9094] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.044928][ T9096] IPVS: ftp: loaded support on port[0] = 21 [ 86.081586][ T9098] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.118416][ T9100] IPVS: ftp: loaded support on port[0] = 21 [ 86.154536][ T9102] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.193345][ T9104] IPVS: ftp: loaded support on port[0] = 21 [ 86.230618][ T9106] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.267283][ T9108] IPVS: ftp: loaded support on port[0] = 21 [ 86.303833][ T9110] IPVS: ftp: loaded support on port[0] = 21 [ 86.343899][ T9112] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.462108][ T9114] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.567330][ T9116] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.684344][ T9118] IPVS: ftp: loaded support on port[0] = 21 executing program [ 86.797733][ T9120] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 86.916531][ T9122] IPVS: ftp: loaded support on port[0] = 21 [ 86.973006][ T9124] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 87.081653][ T9126] IPVS: ftp: loaded support on port[0] = 21 [ 87.135322][ T9128] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 87.248323][ T9130] IPVS: ftp: loaded support on port[0] = 21 [ 87.304067][ T9132] IPVS: ftp: loaded support on port[0] = 21 executing program [ 87.385696][ T9134] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 87.490364][ T9136] IPVS: ftp: loaded support on port[0] = 21 [ 87.539465][ T9138] IPVS: ftp: loaded support on port[0] = 21 executing program [ 87.657446][ T9140] IPVS: ftp: loaded support on port[0] = 21 [ 87.857758][ T9140] kasan: CONFIG_KASAN_INLINE enabled [ 87.863185][ T9140] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 87.871373][ T9140] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 87.878307][ T9140] CPU: 0 PID: 9140 Comm: syz-executor638 Not tainted 5.2.0-rc5-next-20190620 #19 [ 87.887406][ T9140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.897526][ T9140] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 87.902731][ T9140] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 ee 7c 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 87.922352][ T9140] RSP: 0018:ffff88807cb4fb10 EFLAGS: 00010206 [ 87.928576][ T9140] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012b58d68 [ 87.936528][ T9140] RDX: 000000000000000a RSI: 1ffff11012b58d6f RDI: 0000000000000282 [ 87.944478][ T9140] RBP: ffff88807cb4fb50 R08: ffff888095ac62c0 R09: 0000000000000002 [ 87.952429][ T9140] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 87.960382][ T9140] R13: ffff888093c88440 R14: ffff8880a0eba040 R15: dffffc0000000000 [ 87.968420][ T9140] FS: 00007fc0d7d4a700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 87.977335][ T9140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.983902][ T9140] CR2: 00000000004b4ca0 CR3: 00000000a1b55000 CR4: 00000000001406f0 [ 87.991871][ T9140] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.999825][ T9140] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.007773][ T9140] Call Trace: [ 88.011077][ T9140] ? kasan_check_read+0x11/0x20 [ 88.015912][ T9140] ovs_exit_net+0x1f8/0xc30 [ 88.020421][ T9140] ? synchronize_rcu.part.0+0xcf/0xe0 [ 88.025772][ T9140] ? kfree_call_rcu+0x10/0x10 [ 88.030427][ T9140] ? ovs_dp_cmd_del+0x270/0x270 [ 88.035256][ T9140] ? ovs_dp_cmd_del+0x270/0x270 [ 88.040110][ T9140] ops_exit_list.isra.0+0xaa/0x150 [ 88.045232][ T9140] setup_net+0x518/0x870 [ 88.049453][ T9140] ? ops_init+0x410/0x410 [ 88.054292][ T9140] ? kasan_check_write+0x14/0x20 [ 88.059232][ T9140] ? down_read_killable+0x51/0x220 [ 88.064332][ T9140] copy_net_ns+0x1df/0x340 [ 88.068744][ T9140] create_new_namespaces+0x400/0x7b0 [ 88.074008][ T9140] unshare_nsproxy_namespaces+0xc2/0x200 [ 88.079632][ T9140] ksys_unshare+0x444/0x980 [ 88.084127][ T9140] ? walk_process_tree+0x2c0/0x2c0 [ 88.089218][ T9140] ? up_read+0xc4/0x200 [ 88.093366][ T9140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.098814][ T9140] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.104869][ T9140] ? do_syscall_64+0x26/0x6a0 [ 88.109534][ T9140] ? lockdep_hardirqs_on+0x418/0x5d0 [ 88.114801][ T9140] __x64_sys_unshare+0x31/0x40 [ 88.119635][ T9140] do_syscall_64+0xfd/0x6a0 [ 88.124122][ T9140] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.130028][ T9140] RIP: 0033:0x4465f9 [ 88.133910][ T9140] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.153672][ T9140] RSP: 002b:00007fc0d7d49db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 88.162064][ T9140] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 88.170010][ T9140] RDX: 0000000000402634 RSI: 884b8fa735c44e78 RDI: 0000000060000000 [ 88.177958][ T9140] RBP: 00000000006dbc20 R08: 00007fc0d7d4a700 R09: 0000000000000000 [ 88.185908][ T9140] R10: 00007fc0d7d4a700 R11: 0000000000000246 R12: 00000000006dbc2c [ 88.193858][ T9140] R13: 00007ffe2012f34f R14: 00007fc0d7d4a9c0 R15: 0000000000000000 [ 88.201834][ T9140] Modules linked in: [ 88.206463][ T9140] ---[ end trace ca496de556cc2ac0 ]--- [ 88.212066][ T9140] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 88.218056][ T9140] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 ee 7c 38 fa 49 8d 44 24 50 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ee 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 88.237776][ T9140] RSP: 0018:ffff88807cb4fb10 EFLAGS: 00010206 [ 88.243830][ T9140] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012b58d68 [ 88.251855][ T9140] RDX: 000000000000000a RSI: 1ffff11012b58d6f RDI: 0000000000000282 [ 88.259845][ T9140] RBP: ffff88807cb4fb50 R08: ffff888095ac62c0 R09: 0000000000000002 [ 88.267954][ T9140] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 88.276036][ T9140] R13: ffff888093c88440 R14: ffff8880a0eba040 R15: dffffc0000000000 [ 88.284044][ T9140] FS: 00007fc0d7d4a700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 88.292993][ T9140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.299587][ T9140] CR2: 00000000004b4ca0 CR3: 00000000a1b55000 CR4: 00000000001406f0 [ 88.307578][ T9140] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.315629][ T9140] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.323695][ T9140] Kernel panic - not syncing: Fatal exception [ 88.330811][ T9140] Kernel Offset: disabled [ 88.335133][ T9140] Rebooting in 86400 seconds..