[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.886584][ T26] audit: type=1800 audit(1561356905.547:25): pid=8688 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.909056][ T26] audit: type=1800 audit(1561356905.547:26): pid=8688 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.930185][ T26] audit: type=1800 audit(1561356905.547:27): pid=8688 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 '10.128.10.63' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.840565][ T8843] IPVS: ftp: loaded support on port[0] = 21 executing program [ 68.898450][ T8845] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 68.941003][ T8848] IPVS: ftp: loaded support on port[0] = 21 [ 68.978809][ T8851] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.015714][ T8854] IPVS: ftp: loaded support on port[0] = 21 [ 69.055929][ T8857] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.093865][ T8860] IPVS: ftp: loaded support on port[0] = 21 [ 69.131396][ T8863] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.168597][ T8866] IPVS: ftp: loaded support on port[0] = 21 [ 69.206541][ T8869] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.247100][ T8872] IPVS: ftp: loaded support on port[0] = 21 [ 69.284783][ T8875] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.323531][ T8878] IPVS: ftp: loaded support on port[0] = 21 [ 69.361990][ T8881] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.400145][ T8884] IPVS: ftp: loaded support on port[0] = 21 [ 69.439231][ T8887] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.477112][ T8890] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.518211][ T8893] IPVS: ftp: loaded support on port[0] = 21 [ 69.557744][ T8896] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.598091][ T8899] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.638365][ T8902] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.679651][ T8905] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.720779][ T8908] IPVS: ftp: loaded support on port[0] = 21 [ 69.758814][ T8911] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.798910][ T8914] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.839911][ T8917] IPVS: ftp: loaded support on port[0] = 21 [ 69.878639][ T8920] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 69.918212][ T8923] IPVS: ftp: loaded support on port[0] = 21 [ 69.957577][ T8926] IPVS: ftp: loaded support on port[0] = 21 executing program [ 69.998074][ T8929] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.038331][ T8932] IPVS: ftp: loaded support on port[0] = 21 [ 70.066917][ T8932] cgroup: fork rejected by pids controller in /syz0 executing program [ 70.086582][ T8935] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.127156][ T8938] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.167936][ T8941] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.217812][ T8944] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.259241][ T8947] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.303670][ T8950] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.346254][ T8953] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.386997][ T8956] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.429792][ T8959] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.475838][ T8962] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.519910][ T8965] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.564273][ T8968] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.608344][ T8971] IPVS: ftp: loaded support on port[0] = 21 [ 70.652985][ T8974] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 70.726959][ T8978] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.788752][ T8981] IPVS: ftp: loaded support on port[0] = 21 [ 70.856080][ T8984] IPVS: ftp: loaded support on port[0] = 21 executing program [ 70.926987][ T8987] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.000271][ T8990] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.079343][ T8993] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.149023][ T8996] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.223446][ T8999] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.301474][ T9002] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.372783][ T9005] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.444545][ T9008] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.519474][ T9011] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.600249][ T9014] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 71.669710][ T9017] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.712983][ T9020] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.755808][ T9023] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.818229][ T9026] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.878303][ T9029] IPVS: ftp: loaded support on port[0] = 21 executing program [ 71.921827][ T9032] IPVS: ftp: loaded support on port[0] = 21 [ 71.968711][ T9035] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 72.041089][ T9038] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.082784][ T9041] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.127083][ T9044] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 72.175257][ T9047] IPVS: ftp: loaded support on port[0] = 21 [ 72.214873][ T9050] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.258470][ T9053] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.300190][ T9056] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.342963][ T9059] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.386716][ T9062] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.428591][ T9065] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.471874][ T9068] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.514175][ T9071] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.555912][ T9074] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.596952][ T9077] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.637645][ T9080] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.679571][ T9083] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 72.722081][ T9086] IPVS: ftp: loaded support on port[0] = 21 [ 72.762293][ T9089] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.803135][ T9092] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.844402][ T9095] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.885415][ T9098] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.926717][ T9101] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.970152][ T9104] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.010604][ T9107] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.053062][ T9110] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.093353][ T9113] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.133948][ T9116] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.175405][ T9119] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.217825][ T9122] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.259412][ T9125] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.301029][ T9128] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.344902][ T9131] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 73.386209][ T9134] IPVS: ftp: loaded support on port[0] = 21 [ 73.426377][ T9137] IPVS: ftp: loaded support on port[0] = 21 [ 73.468193][ T9140] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.576726][ T9143] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.664828][ T9146] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 73.768540][ T9149] IPVS: ftp: loaded support on port[0] = 21 [ 73.818077][ T9152] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.909169][ T9155] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.004070][ T9158] IPVS: ftp: loaded support on port[0] = 21 [ 74.057345][ T9161] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.154499][ T9164] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.260951][ T9167] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 74.349022][ T9170] IPVS: ftp: loaded support on port[0] = 21 [ 74.399836][ T9173] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.485490][ T9176] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.595441][ T9179] IPVS: ftp: loaded support on port[0] = 21 [ 75.011725][ T9179] kasan: CONFIG_KASAN_INLINE enabled [ 75.017199][ T9179] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.025458][ T9179] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.032400][ T9179] CPU: 1 PID: 9179 Comm: syz-executor730 Not tainted 5.2.0-rc5-next-20190621 #20 [ 75.041482][ T9179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.051533][ T9179] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 75.056712][ T9179] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 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 [ 75.076406][ T9179] RSP: 0018:ffff88807ac57890 EFLAGS: 00010206 [ 75.082452][ T9179] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11014a40188 [ 75.090403][ T9179] RDX: 000000000000000a RSI: 1ffff11014a4018f RDI: 0000000000000286 [ 75.098374][ T9179] RBP: ffff88807ac578d0 R08: ffff8880a52003c0 R09: 0000000000000002 [ 75.106494][ T9179] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 75.114447][ T9179] R13: ffff88809b7b00c0 R14: ffff8880a8bbd240 R15: dffffc0000000000 [ 75.122420][ T9179] FS: 00007f085aa99700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.131336][ T9179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.137904][ T9179] CR2: 00007ffe8387c978 CR3: 00000000a0df8000 CR4: 00000000001406e0 [ 75.145876][ T9179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.153843][ T9179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.161797][ T9179] Call Trace: [ 75.165075][ T9179] ? kasan_check_read+0x11/0x20 [ 75.169996][ T9179] ovs_exit_net+0x1f8/0xc30 [ 75.174484][ T9179] ? synchronize_rcu.part.0+0xcf/0xe0 [ 75.179848][ T9179] ? kfree_call_rcu+0x10/0x10 [ 75.184505][ T9179] ? ovs_dp_cmd_del+0x270/0x270 [ 75.189357][ T9179] ? ovs_dp_cmd_del+0x270/0x270 [ 75.194198][ T9179] ops_exit_list.isra.0+0xaa/0x150 [ 75.199291][ T9179] setup_net+0x518/0x870 [ 75.203524][ T9179] ? ops_init+0x410/0x410 [ 75.207838][ T9179] ? kasan_check_write+0x14/0x20 [ 75.212754][ T9179] ? down_read_killable+0x51/0x220 [ 75.217861][ T9179] copy_net_ns+0x1df/0x340 [ 75.222265][ T9179] create_new_namespaces+0x400/0x7b0 [ 75.227556][ T9179] copy_namespaces+0x351/0x3f0 [ 75.232303][ T9179] copy_process+0x2920/0x69f0 [ 75.236982][ T9179] ? __handle_mm_fault+0x333b/0x3f20 [ 75.242254][ T9179] ? pidfd_create+0x80/0x80 [ 75.246742][ T9179] ? do_raw_spin_unlock+0x57/0x270 [ 75.251876][ T9179] ? _raw_spin_unlock+0x2d/0x50 [ 75.256732][ T9179] _do_fork+0x146/0xfa0 [ 75.260873][ T9179] ? copy_init_mm+0x20/0x20 [ 75.265366][ T9179] ? __do_page_fault+0x565/0xdc0 [ 75.270290][ T9179] ? lock_downgrade+0x920/0x920 [ 75.275134][ T9179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.281443][ T9179] __x64_sys_clone+0x186/0x250 [ 75.286191][ T9179] ? __ia32_sys_vfork+0xc0/0xc0 [ 75.291020][ T9179] ? up_read+0xc4/0x200 [ 75.295153][ T9179] ? lockdep_hardirqs_on+0x418/0x5d0 [ 75.300421][ T9179] ? trace_hardirqs_on+0x67/0x240 [ 75.305432][ T9179] do_syscall_64+0xfd/0x6a0 [ 75.309949][ T9179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.315835][ T9179] RIP: 0033:0x447019 [ 75.319712][ T9179] Code: e8 4c bb 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.339297][ T9179] RSP: 002b:00007f085aa98db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 75.347690][ T9179] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447019 [ 75.355642][ T9179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 75.363684][ T9179] RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000 [ 75.371637][ T9179] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 75.379590][ T9179] R13: 00007ffe8387c8ff R14: 00007f085aa999c0 R15: 0000000000000000 [ 75.387547][ T9179] Modules linked in: [ 75.391795][ T9179] ---[ end trace caa0db5cd9824eae ]--- [ 75.397272][ T9179] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 75.402512][ T9179] Code: 01 00 00 00 48 c7 c7 c0 3e da 88 e8 3e 4b 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 [ 75.422479][ T9179] RSP: 0018:ffff88807ac57890 EFLAGS: 00010206 [ 75.428539][ T9179] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11014a40188 [ 75.436651][ T9179] RDX: 000000000000000a RSI: 1ffff11014a4018f RDI: 0000000000000286 [ 75.444658][ T9179] RBP: ffff88807ac578d0 R08: ffff8880a52003c0 R09: 0000000000000002 [ 75.452660][ T9179] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 75.460634][ T9179] R13: ffff88809b7b00c0 R14: ffff8880a8bbd240 R15: dffffc0000000000 [ 75.468647][ T9179] FS: 00007f085aa99700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.477596][ T9179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.487760][ T9179] CR2: 00007ffe8387c978 CR3: 00000000a0df8000 CR4: 00000000001406e0 [ 75.498174][ T9179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.506232][ T9179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.514239][ T9179] Kernel panic - not syncing: Fatal exception [ 75.522934][ T9179] Kernel Offset: disabled [ 75.527264][ T9179] Rebooting in 86400 seconds..