[....] 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. [ 70.979912][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 70.979924][ T26] audit: type=1800 audit(1561244910.113:29): pid=9332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 71.010730][ T26] audit: type=1800 audit(1561244910.113:30): pid=9332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 79.514445][ T9487] IPVS: ftp: loaded support on port[0] = 21 [ 79.554516][ T9489] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.592281][ T9491] IPVS: ftp: loaded support on port[0] = 21 [ 79.632100][ T9493] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.675834][ T9495] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.719139][ T9497] IPVS: ftp: loaded support on port[0] = 21 [ 79.759121][ T9499] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.797912][ T9501] IPVS: ftp: loaded support on port[0] = 21 [ 79.837225][ T9503] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.879305][ T9505] IPVS: ftp: loaded support on port[0] = 21 [ 79.917348][ T9507] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.955323][ T9509] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.992268][ T9511] IPVS: ftp: loaded support on port[0] = 21 [ 80.052685][ T9513] IPVS: ftp: loaded support on port[0] = 21 [ 80.091473][ T9515] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.198352][ T9518] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.262508][ T9520] IPVS: ftp: loaded support on port[0] = 21 [ 80.329255][ T9522] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.398958][ T9524] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.468209][ T9526] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.537325][ T9528] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.605253][ T9530] IPVS: ftp: loaded support on port[0] = 21 [ 80.671261][ T9532] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.741602][ T9534] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.809979][ T9536] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.878412][ T9538] IPVS: ftp: loaded support on port[0] = 21 [ 80.947130][ T9540] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.017420][ T9542] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.085657][ T9544] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.152164][ T9546] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.211048][ T9548] IPVS: ftp: loaded support on port[0] = 21 [ 81.249272][ T9551] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.287428][ T9553] IPVS: ftp: loaded support on port[0] = 21 [ 81.338797][ T9555] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 81.406782][ T9557] IPVS: ftp: loaded support on port[0] = 21 [ 81.444500][ T9559] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.485614][ T9561] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.553318][ T9563] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.613210][ T9565] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.651552][ T9567] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.702579][ T9569] IPVS: ftp: loaded support on port[0] = 21 [ 81.739820][ T9571] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.777333][ T9573] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.822700][ T9575] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 81.873619][ T9577] IPVS: ftp: loaded support on port[0] = 21 [ 81.910978][ T9579] IPVS: ftp: loaded support on port[0] = 21 executing program [ 81.948623][ T9581] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.014327][ T9583] IPVS: ftp: loaded support on port[0] = 21 [ 82.053306][ T9585] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.090776][ T9587] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.128139][ T9589] IPVS: ftp: loaded support on port[0] = 21 [ 82.165821][ T9591] IPVS: ftp: loaded support on port[0] = 21 executing program [ 82.203346][ T9593] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.244007][ T9595] IPVS: ftp: loaded support on port[0] = 21 [ 82.280769][ T9597] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.318251][ T9599] IPVS: ftp: loaded support on port[0] = 21 [ 82.355240][ T9601] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.391610][ T9603] IPVS: ftp: loaded support on port[0] = 21 [ 82.428883][ T9605] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.466559][ T9607] IPVS: ftp: loaded support on port[0] = 21 [ 82.502840][ T9609] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.540155][ T9611] IPVS: ftp: loaded support on port[0] = 21 [ 82.576939][ T9613] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.613712][ T9615] IPVS: ftp: loaded support on port[0] = 21 [ 82.651181][ T9617] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.688052][ T9619] IPVS: ftp: loaded support on port[0] = 21 [ 82.725788][ T9621] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.763753][ T9623] IPVS: ftp: loaded support on port[0] = 21 [ 82.801762][ T9625] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.839543][ T9627] IPVS: ftp: loaded support on port[0] = 21 [ 82.875684][ T9629] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.911238][ T9631] IPVS: ftp: loaded support on port[0] = 21 [ 82.948492][ T9633] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 82.984777][ T9635] IPVS: ftp: loaded support on port[0] = 21 [ 83.022743][ T9637] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.060338][ T9639] IPVS: ftp: loaded support on port[0] = 21 [ 83.097060][ T9641] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.138225][ T9643] IPVS: ftp: loaded support on port[0] = 21 [ 83.175701][ T9645] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.212589][ T9647] IPVS: ftp: loaded support on port[0] = 21 [ 83.250770][ T9649] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.353894][ T9651] IPVS: ftp: loaded support on port[0] = 21 [ 83.391448][ T9653] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.497346][ T9655] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.595815][ T9657] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 83.697983][ T9659] IPVS: ftp: loaded support on port[0] = 21 [ 83.745270][ T9661] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.840080][ T9663] IPVS: ftp: loaded support on port[0] = 21 executing program [ 83.954947][ T9665] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.070016][ T9667] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.173893][ T9669] IPVS: ftp: loaded support on port[0] = 21 executing program [ 84.256854][ T9671] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 84.372183][ T9673] IPVS: ftp: loaded support on port[0] = 21 [ 84.415123][ T9675] IPVS: ftp: loaded support on port[0] = 21 [ 84.797740][ T9675] kasan: CONFIG_KASAN_INLINE enabled [ 84.803205][ T9675] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 84.811447][ T9675] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 84.818393][ T9675] CPU: 1 PID: 9675 Comm: syz-executor988 Not tainted 5.2.0-rc5-next-20190620 #19 [ 84.827479][ T9675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.837552][ T9675] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 84.843079][ T9675] 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 [ 84.862804][ T9675] RSP: 0018:ffff88807e2e7b10 EFLAGS: 00010206 [ 84.869554][ T9675] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012173970 [ 84.877520][ T9675] RDX: 000000000000000a RSI: 1ffff11012173977 RDI: 0000000000000282 [ 84.885513][ T9675] RBP: ffff88807e2e7b50 R08: ffff888090b9c300 R09: 0000000000000002 [ 84.893480][ T9675] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 84.912291][ T9675] R13: ffff888084320100 R14: ffff888090038d80 R15: dffffc0000000000 [ 84.920264][ T9675] FS: 00007f7c743ee700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 84.929534][ T9675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.936118][ T9675] CR2: 00000000004b4ca0 CR3: 0000000083ec0000 CR4: 00000000001406e0 [ 84.944268][ T9675] Call Trace: [ 84.947585][ T9675] ? kasan_check_read+0x11/0x20 [ 84.955228][ T9675] ovs_exit_net+0x1f8/0xc30 [ 84.959731][ T9675] ? synchronize_rcu.part.0+0xcf/0xe0 [ 84.965102][ T9675] ? kfree_call_rcu+0x10/0x10 [ 84.969816][ T9675] ? ovs_dp_cmd_del+0x270/0x270 [ 84.974679][ T9675] ? ovs_dp_cmd_del+0x270/0x270 [ 84.979609][ T9675] ops_exit_list.isra.0+0xaa/0x150 [ 84.984799][ T9675] setup_net+0x518/0x870 [ 84.993989][ T9675] ? ops_init+0x410/0x410 [ 84.998325][ T9675] ? kasan_check_write+0x14/0x20 [ 85.003317][ T9675] ? down_read_killable+0x51/0x220 [ 85.008557][ T9675] copy_net_ns+0x1df/0x340 [ 85.013159][ T9675] create_new_namespaces+0x400/0x7b0 [ 85.018437][ T9675] unshare_nsproxy_namespaces+0xc2/0x200 [ 85.024075][ T9675] ksys_unshare+0x444/0x980 [ 85.028828][ T9675] ? walk_process_tree+0x2c0/0x2c0 [ 85.034145][ T9675] ? up_read+0xc4/0x200 [ 85.038295][ T9675] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.044401][ T9675] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.050544][ T9675] ? do_syscall_64+0x26/0x6a0 [ 85.055213][ T9675] ? lockdep_hardirqs_on+0x418/0x5d0 [ 85.060665][ T9675] __x64_sys_unshare+0x31/0x40 [ 85.065420][ T9675] do_syscall_64+0xfd/0x6a0 [ 85.069918][ T9675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.093799][ T9675] RIP: 0033:0x4465f9 [ 85.097770][ T9675] 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 [ 85.117574][ T9675] RSP: 002b:00007f7c743eddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 85.126854][ T9675] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 85.155325][ T9675] RDX: 0000000000402634 RSI: 3d32b8c7d22f9762 RDI: 0000000060000000 [ 85.163412][ T9675] RBP: 00000000006dbc20 R08: 00007f7c743ee700 R09: 0000000000000000 [ 85.171381][ T9675] R10: 00007f7c743ee700 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.179370][ T9675] R13: 00007ffd6573c2af R14: 00007f7c743ee9c0 R15: 0000000000000000 [ 85.187337][ T9675] Modules linked in: [ 85.191669][ T9675] ---[ end trace 23fe4eb95781f054 ]--- [ 85.197339][ T9675] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 85.208744][ T9675] 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 [ 85.246872][ T9675] RSP: 0018:ffff88807e2e7b10 EFLAGS: 00010206 [ 85.253011][ T9675] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012173970 [ 85.261072][ T9675] RDX: 000000000000000a RSI: 1ffff11012173977 RDI: 0000000000000282 [ 85.269162][ T9675] RBP: ffff88807e2e7b50 R08: ffff888090b9c300 R09: 0000000000000002 [ 85.277147][ T9675] R10: fffffbfff13429cf R11: ffffffff89a14e7f R12: 0000000000000000 [ 85.285171][ T9675] R13: ffff888084320100 R14: ffff888090038d80 R15: dffffc0000000000 [ 85.293190][ T9675] FS: 00007f7c743ee700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 85.302171][ T9675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.308858][ T9675] CR2: 00000000004b4ca0 CR3: 0000000083ec0000 CR4: 00000000001406e0 [ 85.316829][ T9675] Kernel panic - not syncing: Fatal exception [ 85.335742][ T9675] Kernel Offset: disabled [ 85.340102][ T9675] Rebooting in 86400 seconds..