[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.929883][ T27] audit: type=1800 audit(1561089468.062:25): pid=8764 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.968753][ T27] audit: type=1800 audit(1561089468.062:26): pid=8764 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 59.990083][ T27] audit: type=1800 audit(1561089468.072:27): pid=8764 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 '10.128.0.167' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 79.760345][ T8920] IPVS: ftp: loaded support on port[0] = 21 [ 79.795370][ T8922] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.826331][ T8924] IPVS: ftp: loaded support on port[0] = 21 [ 79.858483][ T8926] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.896034][ T8928] IPVS: ftp: loaded support on port[0] = 21 [ 79.930697][ T8930] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.960896][ T8932] IPVS: ftp: loaded support on port[0] = 21 [ 79.993986][ T8934] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.026217][ T8936] IPVS: ftp: loaded support on port[0] = 21 [ 80.060162][ T8938] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.092722][ T8940] IPVS: ftp: loaded support on port[0] = 21 [ 80.123978][ T8942] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.157650][ T8944] IPVS: ftp: loaded support on port[0] = 21 [ 80.190257][ T8946] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.223421][ T8948] IPVS: ftp: loaded support on port[0] = 21 [ 80.257716][ T8950] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.294890][ T8952] IPVS: ftp: loaded support on port[0] = 21 [ 80.325580][ T8954] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 80.412514][ T8957] IPVS: ftp: loaded support on port[0] = 21 [ 80.444384][ T8959] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.474735][ T8961] IPVS: ftp: loaded support on port[0] = 21 [ 80.506519][ T8963] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.553644][ T8965] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.606381][ T8967] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.660582][ T8969] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.716132][ T8971] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.769788][ T8973] IPVS: ftp: loaded support on port[0] = 21 [ 80.806848][ T8975] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.857352][ T8977] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.911540][ T8979] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.963668][ T8981] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.019198][ T8983] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.078652][ T8985] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.136277][ T8987] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.197030][ T8989] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.261411][ T8991] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.319686][ T8993] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.377355][ T8995] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.438888][ T8997] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.494648][ T8999] IPVS: ftp: loaded support on port[0] = 21 [ 81.526438][ T9001] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.573053][ T9003] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.618844][ T9005] IPVS: ftp: loaded support on port[0] = 21 [ 81.649520][ T9007] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.683544][ T9009] IPVS: ftp: loaded support on port[0] = 21 [ 81.716678][ T9011] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.771121][ T9013] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.819305][ T9015] IPVS: ftp: loaded support on port[0] = 21 [ 81.853398][ T9017] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.883026][ T9019] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.926255][ T9021] IPVS: ftp: loaded support on port[0] = 21 [ 81.958969][ T9023] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.987735][ T9025] IPVS: ftp: loaded support on port[0] = 21 [ 82.018446][ T9027] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.050891][ T9029] IPVS: ftp: loaded support on port[0] = 21 [ 82.081929][ T9031] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.114235][ T9033] IPVS: ftp: loaded support on port[0] = 21 [ 82.146573][ T9035] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.177680][ T9037] IPVS: ftp: loaded support on port[0] = 21 [ 82.210162][ T9039] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.241058][ T9041] IPVS: ftp: loaded support on port[0] = 21 [ 82.271791][ T9043] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.302840][ T9045] IPVS: ftp: loaded support on port[0] = 21 [ 82.334056][ T9047] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.366504][ T9049] IPVS: ftp: loaded support on port[0] = 21 [ 82.398261][ T9051] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.429810][ T9053] IPVS: ftp: loaded support on port[0] = 21 [ 82.462971][ T9055] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.496063][ T9057] IPVS: ftp: loaded support on port[0] = 21 [ 82.528069][ T9059] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.560714][ T9061] IPVS: ftp: loaded support on port[0] = 21 [ 82.593893][ T9063] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.624530][ T9065] IPVS: ftp: loaded support on port[0] = 21 [ 82.656541][ T9067] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.688023][ T9069] IPVS: ftp: loaded support on port[0] = 21 [ 82.721434][ T9071] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.755348][ T9073] IPVS: ftp: loaded support on port[0] = 21 [ 82.791946][ T9075] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.826187][ T9077] IPVS: ftp: loaded support on port[0] = 21 [ 82.858719][ T9079] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.888411][ T9081] IPVS: ftp: loaded support on port[0] = 21 [ 82.920160][ T9083] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.953632][ T9085] IPVS: ftp: loaded support on port[0] = 21 [ 82.986489][ T9087] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.017504][ T9089] IPVS: ftp: loaded support on port[0] = 21 [ 83.050769][ T9091] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.084789][ T9093] IPVS: ftp: loaded support on port[0] = 21 [ 83.118437][ T9095] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.151183][ T9097] IPVS: ftp: loaded support on port[0] = 21 [ 83.182537][ T9099] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.213976][ T9101] IPVS: ftp: loaded support on port[0] = 21 [ 83.244741][ T9103] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.276541][ T9105] IPVS: ftp: loaded support on port[0] = 21 [ 83.308101][ T9107] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.340536][ T9109] IPVS: ftp: loaded support on port[0] = 21 [ 83.372256][ T9111] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.405738][ T9113] IPVS: ftp: loaded support on port[0] = 21 [ 83.437491][ T9115] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.471322][ T9117] IPVS: ftp: loaded support on port[0] = 21 [ 83.513554][ T9119] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.605737][ T9121] IPVS: ftp: loaded support on port[0] = 21 [ 83.653012][ T9123] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.740211][ T9125] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 83.849269][ T9127] IPVS: ftp: loaded support on port[0] = 21 [ 83.881111][ T9129] IPVS: ftp: loaded support on port[0] = 21 [ 83.922506][ T9131] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.019959][ T9133] IPVS: ftp: loaded support on port[0] = 21 [ 84.071812][ T9135] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.163395][ T9137] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.278003][ T9139] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.396820][ T9141] IPVS: ftp: loaded support on port[0] = 21 [ 84.436853][ T9143] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.526520][ T9145] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.621301][ T9147] IPVS: ftp: loaded support on port[0] = 21 [ 84.667730][ T9149] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.780847][ T9151] IPVS: ftp: loaded support on port[0] = 21 [ 84.819575][ T9153] IPVS: ftp: loaded support on port[0] = 21 [ 85.268719][ T9153] kasan: CONFIG_KASAN_INLINE enabled [ 85.274084][ T9153] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 85.282178][ T9153] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 85.289122][ T9153] CPU: 1 PID: 9153 Comm: syz-executor813 Not tainted 5.2.0-rc5-next-20190620 #19 [ 85.298195][ T9153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.308269][ T9153] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 85.313441][ T9153] 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 [ 85.333039][ T9153] RSP: 0018:ffff88807c65fb10 EFLAGS: 00010206 [ 85.339079][ T9153] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff1101461c590 [ 85.347024][ T9153] RDX: 000000000000000a RSI: 1ffff1101461c597 RDI: 0000000000000282 [ 85.354972][ T9153] RBP: ffff88807c65fb50 R08: ffff8880a30e2400 R09: 0000000000000002 [ 85.362921][ T9153] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 85.370880][ T9153] R13: ffff8880a4cb0240 R14: ffff88809a8dc900 R15: dffffc0000000000 [ 85.378829][ T9153] FS: 00007f25440dc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 85.387727][ T9153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.394284][ T9153] CR2: 00000000004b4ca0 CR3: 00000000a1675000 CR4: 00000000001406e0 [ 85.402230][ T9153] Call Trace: [ 85.405499][ T9153] ? kasan_check_read+0x11/0x20 [ 85.410330][ T9153] ovs_exit_net+0x1f8/0xc30 [ 85.414815][ T9153] ? synchronize_rcu.part.0+0xcf/0xe0 [ 85.420164][ T9153] ? kfree_call_rcu+0x10/0x10 [ 85.424814][ T9153] ? ovs_dp_cmd_del+0x270/0x270 [ 85.429640][ T9153] ? ovs_dp_cmd_del+0x270/0x270 [ 85.434471][ T9153] ops_exit_list.isra.0+0xaa/0x150 [ 85.439557][ T9153] setup_net+0x518/0x870 [ 85.443774][ T9153] ? ops_init+0x410/0x410 [ 85.448081][ T9153] ? kasan_check_write+0x14/0x20 [ 85.452995][ T9153] ? down_read_killable+0x51/0x220 [ 85.458084][ T9153] copy_net_ns+0x1df/0x340 [ 85.462480][ T9153] create_new_namespaces+0x400/0x7b0 [ 85.467749][ T9153] unshare_nsproxy_namespaces+0xc2/0x200 [ 85.473366][ T9153] ksys_unshare+0x444/0x980 [ 85.477844][ T9153] ? walk_process_tree+0x2c0/0x2c0 [ 85.482927][ T9153] ? up_read+0xc4/0x200 [ 85.487059][ T9153] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.492504][ T9153] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.498541][ T9153] ? do_syscall_64+0x26/0x6a0 [ 85.503204][ T9153] ? lockdep_hardirqs_on+0x418/0x5d0 [ 85.508467][ T9153] __x64_sys_unshare+0x31/0x40 [ 85.513206][ T9153] do_syscall_64+0xfd/0x6a0 [ 85.517687][ T9153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.523551][ T9153] RIP: 0033:0x4465f9 [ 85.527421][ T9153] 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 [ 85.546995][ T9153] RSP: 002b:00007f25440dbdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 85.555378][ T9153] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 85.563321][ T9153] RDX: 0000000000402634 RSI: 27485a113cfc2732 RDI: 0000000060000000 [ 85.571278][ T9153] RBP: 00000000006dbc20 R08: 00007f25440dc700 R09: 0000000000000000 [ 85.579220][ T9153] R10: 00007f25440dc700 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.587166][ T9153] R13: 00007ffd0431a64f R14: 00007f25440dc9c0 R15: 0000000000000000 [ 85.595114][ T9153] Modules linked in: [ 85.599683][ T9153] ---[ end trace 3ef8ea6a684445a9 ]--- [ 85.605145][ T9153] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 85.610354][ T9153] 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 [ 85.629966][ T9153] RSP: 0018:ffff88807c65fb10 EFLAGS: 00010206 [ 85.636004][ T9153] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff1101461c590 [ 85.643997][ T9153] RDX: 000000000000000a RSI: 1ffff1101461c597 RDI: 0000000000000282 [ 85.652009][ T9153] RBP: ffff88807c65fb50 R08: ffff8880a30e2400 R09: 0000000000000002 [ 85.659998][ T9153] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 85.667988][ T9153] R13: ffff8880a4cb0240 R14: ffff88809a8dc900 R15: dffffc0000000000 [ 85.675985][ T9153] FS: 00007f25440dc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 85.684937][ T9153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.691529][ T9153] CR2: 00000000004b4ca0 CR3: 00000000a1675000 CR4: 00000000001406e0 [ 85.699514][ T9153] Kernel panic - not syncing: Fatal exception [ 85.706446][ T9153] Kernel Offset: disabled [ 85.710810][ T9153] Rebooting in 86400 seconds..