[ 67.229703][ T24] audit: type=1800 audit(1561224120.059:24): pid=9284 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 68.029359][ T24] audit: type=1800 audit(1561224120.929:25): pid=9284 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 68.069072][ T24] audit: type=1800 audit(1561224120.929:26): pid=9284 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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 '10.128.1.22' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 114.595710][ T9441] IPVS: ftp: loaded support on port[0] = 21 [ 114.635696][ T9443] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 114.670189][ T9445] IPVS: ftp: loaded support on port[0] = 21 [ 114.703687][ T9447] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 114.736510][ T9449] IPVS: ftp: loaded support on port[0] = 21 [ 114.774422][ T9451] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 114.810961][ T9453] IPVS: ftp: loaded support on port[0] = 21 [ 114.845980][ T9455] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 114.888782][ T9457] IPVS: ftp: loaded support on port[0] = 21 [ 114.928089][ T9459] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 114.971385][ T9461] IPVS: ftp: loaded support on port[0] = 21 [ 115.005281][ T9463] IPVS: ftp: loaded support on port[0] = 21 executing program [ 115.045509][ T9465] IPVS: ftp: loaded support on port[0] = 21 executing program [ 115.088302][ T9467] IPVS: ftp: loaded support on port[0] = 21 executing program [ 115.130269][ T9469] IPVS: ftp: loaded support on port[0] = 21 [ 115.169854][ T9471] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 115.264073][ T9475] IPVS: ftp: loaded support on port[0] = 21 [ 115.298222][ T9477] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.334457][ T9479] IPVS: ftp: loaded support on port[0] = 21 [ 115.371297][ T9481] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.407251][ T9483] IPVS: ftp: loaded support on port[0] = 21 [ 115.442935][ T9485] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.479874][ T9487] IPVS: ftp: loaded support on port[0] = 21 [ 115.515889][ T9489] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.550899][ T9491] IPVS: ftp: loaded support on port[0] = 21 [ 115.588115][ T9493] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.623640][ T9495] IPVS: ftp: loaded support on port[0] = 21 [ 115.659392][ T9497] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.694061][ T9499] IPVS: ftp: loaded support on port[0] = 21 [ 115.732502][ T9501] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.770921][ T9503] IPVS: ftp: loaded support on port[0] = 21 [ 115.810587][ T9505] IPVS: ftp: loaded support on port[0] = 21 executing program [ 115.853264][ T9507] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.893443][ T9509] IPVS: ftp: loaded support on port[0] = 21 [ 115.930162][ T9511] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 115.970214][ T9513] IPVS: ftp: loaded support on port[0] = 21 [ 116.004726][ T9515] IPVS: ftp: loaded support on port[0] = 21 executing program [ 116.041271][ T9517] IPVS: ftp: loaded support on port[0] = 21 [ 116.074637][ T9519] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.131172][ T9521] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.189196][ T9523] IPVS: ftp: loaded support on port[0] = 21 [ 116.229115][ T9525] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.265551][ T9527] IPVS: ftp: loaded support on port[0] = 21 [ 116.301445][ T9529] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.340418][ T9531] IPVS: ftp: loaded support on port[0] = 21 [ 116.377053][ T9533] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.416002][ T9535] IPVS: ftp: loaded support on port[0] = 21 [ 116.452084][ T9537] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.491825][ T9539] IPVS: ftp: loaded support on port[0] = 21 [ 116.530584][ T9541] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.569823][ T9543] IPVS: ftp: loaded support on port[0] = 21 [ 116.604912][ T9545] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.643653][ T9547] IPVS: ftp: loaded support on port[0] = 21 [ 116.682061][ T9549] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.714747][ T9551] IPVS: ftp: loaded support on port[0] = 21 [ 116.749013][ T9553] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.784152][ T9555] IPVS: ftp: loaded support on port[0] = 21 [ 116.821886][ T9557] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.860535][ T9559] IPVS: ftp: loaded support on port[0] = 21 [ 116.898887][ T9561] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 116.936761][ T9563] IPVS: ftp: loaded support on port[0] = 21 [ 116.975500][ T9565] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.013402][ T9567] IPVS: ftp: loaded support on port[0] = 21 [ 117.051999][ T9569] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.089471][ T9571] IPVS: ftp: loaded support on port[0] = 21 [ 117.127380][ T9573] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.164632][ T9575] IPVS: ftp: loaded support on port[0] = 21 [ 117.202634][ T9577] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.240902][ T9579] IPVS: ftp: loaded support on port[0] = 21 [ 117.279568][ T9581] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.317787][ T9583] IPVS: ftp: loaded support on port[0] = 21 [ 117.356573][ T9585] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.395010][ T9587] IPVS: ftp: loaded support on port[0] = 21 [ 117.433181][ T9589] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.471829][ T9591] IPVS: ftp: loaded support on port[0] = 21 [ 117.509825][ T9593] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.549518][ T9595] IPVS: ftp: loaded support on port[0] = 21 [ 117.587242][ T9597] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.624977][ T9599] IPVS: ftp: loaded support on port[0] = 21 [ 117.663802][ T9601] IPVS: ftp: loaded support on port[0] = 21 executing program [ 117.701620][ T9603] IPVS: ftp: loaded support on port[0] = 21 [ 117.742351][ T9605] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 117.848441][ T9607] IPVS: ftp: loaded support on port[0] = 21 [ 117.903737][ T9609] IPVS: ftp: loaded support on port[0] = 21 executing program [ 118.000778][ T9611] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 118.113863][ T9613] IPVS: ftp: loaded support on port[0] = 21 [ 118.158305][ T9615] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 118.259425][ T9617] IPVS: ftp: loaded support on port[0] = 21 [ 118.319088][ T9619] IPVS: ftp: loaded support on port[0] = 21 executing program [ 118.412404][ T9621] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 118.535597][ T9623] IPVS: ftp: loaded support on port[0] = 21 [ 118.591222][ T9625] IPVS: ftp: loaded support on port[0] = 21 executing program [ 118.699104][ T9627] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 118.801296][ T9629] IPVS: ftp: loaded support on port[0] = 21 [ 118.846193][ T9631] IPVS: ftp: loaded support on port[0] = 21 executing program [ 118.934801][ T9633] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 119.062626][ T9635] IPVS: ftp: loaded support on port[0] = 21 [ 119.106457][ T9637] IPVS: ftp: loaded support on port[0] = 21 [ 119.478098][ T9637] kasan: CONFIG_KASAN_INLINE enabled [ 119.483566][ T9637] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 119.492057][ T9637] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 119.499017][ T9637] CPU: 1 PID: 9637 Comm: syz-executor857 Not tainted 5.2.0-rc5-next-20190620 #19 [ 119.508214][ T9637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.518329][ T9637] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 119.523551][ T9637] 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 [ 119.543152][ T9637] RSP: 0018:ffff88807f2efb10 EFLAGS: 00010206 [ 119.549291][ T9637] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff1101408a1e8 [ 119.557265][ T9637] RDX: 000000000000000a RSI: 1ffff1101408a1ef RDI: 0000000000000282 [ 119.565248][ T9637] RBP: ffff88807f2efb50 R08: ffff8880a04506c0 R09: 0000000000000002 [ 119.573212][ T9637] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 119.581172][ T9637] R13: ffff888096524200 R14: ffff88808e306040 R15: dffffc0000000000 [ 119.589145][ T9637] FS: 00007f0768950700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 119.598080][ T9637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.604671][ T9637] CR2: 00000000004b4ca0 CR3: 00000000934e9000 CR4: 00000000001406e0 [ 119.612660][ T9637] Call Trace: [ 119.615976][ T9637] ? kasan_check_read+0x11/0x20 [ 119.620814][ T9637] ovs_exit_net+0x1f8/0xc30 [ 119.625356][ T9637] ? synchronize_rcu.part.0+0xcf/0xe0 [ 119.630739][ T9637] ? kfree_call_rcu+0x10/0x10 [ 119.635423][ T9637] ? ovs_dp_cmd_del+0x270/0x270 [ 119.640279][ T9637] ? ovs_dp_cmd_del+0x270/0x270 [ 119.645144][ T9637] ops_exit_list.isra.0+0xaa/0x150 [ 119.650244][ T9637] setup_net+0x518/0x870 [ 119.654481][ T9637] ? ops_init+0x410/0x410 [ 119.658799][ T9637] ? kasan_check_write+0x14/0x20 [ 119.663753][ T9637] ? down_read_killable+0x51/0x220 [ 119.668850][ T9637] copy_net_ns+0x1df/0x340 [ 119.673297][ T9637] create_new_namespaces+0x400/0x7b0 [ 119.678602][ T9637] unshare_nsproxy_namespaces+0xc2/0x200 [ 119.684247][ T9637] ksys_unshare+0x444/0x980 [ 119.688756][ T9637] ? walk_process_tree+0x2c0/0x2c0 [ 119.693852][ T9637] ? up_read+0xc4/0x200 [ 119.698006][ T9637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 119.703472][ T9637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.709540][ T9637] ? do_syscall_64+0x26/0x6a0 [ 119.714206][ T9637] ? lockdep_hardirqs_on+0x418/0x5d0 [ 119.719478][ T9637] __x64_sys_unshare+0x31/0x40 [ 119.724230][ T9637] do_syscall_64+0xfd/0x6a0 [ 119.728717][ T9637] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.734593][ T9637] RIP: 0033:0x4465f9 [ 119.738473][ T9637] 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 [ 119.758065][ T9637] RSP: 002b:00007f076894fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 119.766465][ T9637] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 119.774423][ T9637] RDX: 0000000000402634 RSI: 12eefb1fc5fa5abf RDI: 0000000044000000 [ 119.782387][ T9637] RBP: 00000000006dbc20 R08: 00007f0768950700 R09: 0000000000000000 [ 119.790352][ T9637] R10: 00007f0768950700 R11: 0000000000000246 R12: 00000000006dbc2c [ 119.798315][ T9637] R13: 00007ffd8b4dad2f R14: 00007f07689509c0 R15: 0000000000000000 [ 119.806279][ T9637] Modules linked in: [ 119.810578][ T9637] ---[ end trace 91180af010b92e37 ]--- [ 119.816060][ T9637] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 119.821286][ T9637] 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 [ 119.841380][ T9637] RSP: 0018:ffff88807f2efb10 EFLAGS: 00010206 [ 119.847440][ T9637] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff1101408a1e8 [ 119.855453][ T9637] RDX: 000000000000000a RSI: 1ffff1101408a1ef RDI: 0000000000000282 [ 119.863468][ T9637] RBP: ffff88807f2efb50 R08: ffff8880a04506c0 R09: 0000000000000002 [ 119.871475][ T9637] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 119.879491][ T9637] R13: ffff888096524200 R14: ffff88808e306040 R15: dffffc0000000000 [ 119.887482][ T9637] FS: 00007f0768950700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 119.896529][ T9637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.903177][ T9637] CR2: 00000000004b4ca0 CR3: 00000000934e9000 CR4: 00000000001406e0 [ 119.911215][ T9637] Kernel panic - not syncing: Fatal exception [ 119.918342][ T9637] Kernel Offset: disabled [ 119.922679][ T9637] Rebooting in 86400 seconds..