[ 63.607469][ T26] audit: type=1800 audit(1561330924.844:24): pid=9198 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. [ 64.327866][ T26] audit: type=1800 audit(1561330925.684:25): pid=9198 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.370214][ T26] audit: type=1800 audit(1561330925.694:26): pid=9198 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 '10.128.0.253' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 75.049289][ T9354] IPVS: ftp: loaded support on port[0] = 21 [ 75.086001][ T9356] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.119616][ T9358] IPVS: ftp: loaded support on port[0] = 21 [ 75.154525][ T9360] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.195734][ T9362] IPVS: ftp: loaded support on port[0] = 21 [ 75.232839][ T9364] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.267125][ T9366] IPVS: ftp: loaded support on port[0] = 21 [ 75.303948][ T9368] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.342012][ T9370] IPVS: ftp: loaded support on port[0] = 21 [ 75.380965][ T9372] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.417929][ T9374] IPVS: ftp: loaded support on port[0] = 21 [ 75.455811][ T9376] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 75.489221][ T9378] IPVS: ftp: loaded support on port[0] = 21 [ 75.526697][ T9380] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.562422][ T9382] IPVS: ftp: loaded support on port[0] = 21 [ 75.599348][ T9384] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 75.695744][ T9387] IPVS: ftp: loaded support on port[0] = 21 [ 75.731729][ T9389] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.766158][ T9391] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.814990][ T9393] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.877130][ T9395] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.939206][ T9397] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.002931][ T9399] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.065324][ T9401] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.128399][ T9403] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.192836][ T9405] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.253937][ T9407] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.317079][ T9409] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.380272][ T9411] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.444643][ T9413] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.509100][ T9415] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.571927][ T9417] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.635047][ T9419] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.699781][ T9421] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.763549][ T9423] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.820594][ T9425] IPVS: ftp: loaded support on port[0] = 21 [ 76.855599][ T9427] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.894601][ T9429] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.953576][ T9431] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.005797][ T9433] IPVS: ftp: loaded support on port[0] = 21 [ 77.041550][ T9435] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.076519][ T9437] IPVS: ftp: loaded support on port[0] = 21 [ 77.111908][ T9439] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.146238][ T9441] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.205397][ T9443] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.256617][ T9445] IPVS: ftp: loaded support on port[0] = 21 [ 77.292353][ T9447] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.326421][ T9449] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.373226][ T9451] IPVS: ftp: loaded support on port[0] = 21 [ 77.409569][ T9453] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.443548][ T9455] IPVS: ftp: loaded support on port[0] = 21 [ 77.478249][ T9457] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.511891][ T9459] IPVS: ftp: loaded support on port[0] = 21 [ 77.545882][ T9461] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.581199][ T9463] IPVS: ftp: loaded support on port[0] = 21 [ 77.614956][ T9465] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.649375][ T9467] IPVS: ftp: loaded support on port[0] = 21 [ 77.684750][ T9469] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.719155][ T9471] IPVS: ftp: loaded support on port[0] = 21 [ 77.755071][ T9473] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.789512][ T9475] IPVS: ftp: loaded support on port[0] = 21 [ 77.824618][ T9477] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.859997][ T9479] IPVS: ftp: loaded support on port[0] = 21 [ 77.894962][ T9481] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.930132][ T9483] IPVS: ftp: loaded support on port[0] = 21 [ 77.965573][ T9485] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.001605][ T9487] IPVS: ftp: loaded support on port[0] = 21 [ 78.035595][ T9489] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.075863][ T9491] IPVS: ftp: loaded support on port[0] = 21 [ 78.111737][ T9493] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.146519][ T9495] IPVS: ftp: loaded support on port[0] = 21 [ 78.181499][ T9497] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.216838][ T9499] IPVS: ftp: loaded support on port[0] = 21 [ 78.252574][ T9501] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.287131][ T9503] IPVS: ftp: loaded support on port[0] = 21 [ 78.323292][ T9505] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.358047][ T9507] IPVS: ftp: loaded support on port[0] = 21 [ 78.393387][ T9509] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.429277][ T9511] IPVS: ftp: loaded support on port[0] = 21 [ 78.466564][ T9513] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.502083][ T9515] IPVS: ftp: loaded support on port[0] = 21 [ 78.536160][ T9517] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.571070][ T9519] IPVS: ftp: loaded support on port[0] = 21 [ 78.606202][ T9521] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.642261][ T9523] IPVS: ftp: loaded support on port[0] = 21 [ 78.677701][ T9525] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.714632][ T9527] IPVS: ftp: loaded support on port[0] = 21 [ 78.750512][ T9529] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.785692][ T9531] IPVS: ftp: loaded support on port[0] = 21 [ 78.820707][ T9533] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.856146][ T9535] IPVS: ftp: loaded support on port[0] = 21 [ 78.891113][ T9537] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.926792][ T9539] IPVS: ftp: loaded support on port[0] = 21 [ 78.961306][ T9541] IPVS: ftp: loaded support on port[0] = 21 [ 78.996727][ T9543] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.111074][ T9545] IPVS: ftp: loaded support on port[0] = 21 [ 79.166013][ T9547] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.262797][ T9549] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.376743][ T9551] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.493481][ T9553] IPVS: ftp: loaded support on port[0] = 21 [ 79.541108][ T9555] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.648996][ T9557] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.769989][ T9559] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.899922][ T9561] IPVS: ftp: loaded support on port[0] = 21 [ 79.949684][ T9563] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.038947][ T9565] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.142968][ T9567] IPVS: ftp: loaded support on port[0] = 21 [ 80.190982][ T9569] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.308407][ T9571] IPVS: ftp: loaded support on port[0] = 21 [ 80.353243][ T9573] IPVS: ftp: loaded support on port[0] = 21 [ 80.740190][ T9573] kasan: CONFIG_KASAN_INLINE enabled [ 80.745567][ T9573] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.753743][ T9573] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.760686][ T9573] CPU: 1 PID: 9573 Comm: syz-executor421 Not tainted 5.2.0-rc5-next-20190621 #20 [ 80.769776][ T9573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.779818][ T9573] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 80.784996][ T9573] 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 [ 80.804610][ T9573] RSP: 0018:ffff88807d937b10 EFLAGS: 00010206 [ 80.810658][ T9573] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012c4bd20 [ 80.818607][ T9573] RDX: 000000000000000a RSI: 1ffff11012c4bd27 RDI: 0000000000000286 [ 80.826554][ T9573] RBP: ffff88807d937b50 R08: ffff88809625e080 R09: 0000000000000002 [ 80.834510][ T9573] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 80.842473][ T9573] R13: ffff88809414a080 R14: ffff88809866e900 R15: dffffc0000000000 [ 80.850424][ T9573] FS: 00007f3a5321f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 80.859346][ T9573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.865908][ T9573] CR2: 00000000004cc870 CR3: 00000000a8e14000 CR4: 00000000001406e0 [ 80.873856][ T9573] Call Trace: [ 80.877149][ T9573] ? kasan_check_read+0x11/0x20 [ 80.882016][ T9573] ovs_exit_net+0x1f8/0xc30 [ 80.886507][ T9573] ? synchronize_rcu.part.0+0xcf/0xe0 [ 80.891858][ T9573] ? kfree_call_rcu+0x10/0x10 [ 80.896534][ T9573] ? ovs_dp_cmd_del+0x270/0x270 [ 80.901380][ T9573] ? ovs_dp_cmd_del+0x270/0x270 [ 80.906260][ T9573] ops_exit_list.isra.0+0xaa/0x150 [ 80.911367][ T9573] setup_net+0x518/0x870 [ 80.915604][ T9573] ? ops_init+0x410/0x410 [ 80.919926][ T9573] ? kasan_check_write+0x14/0x20 [ 80.924865][ T9573] ? down_read_killable+0x51/0x220 [ 80.929967][ T9573] copy_net_ns+0x1df/0x340 [ 80.934372][ T9573] create_new_namespaces+0x400/0x7b0 [ 80.939653][ T9573] unshare_nsproxy_namespaces+0xc2/0x200 [ 80.945299][ T9573] ksys_unshare+0x444/0x980 [ 80.949802][ T9573] ? walk_process_tree+0x2c0/0x2c0 [ 80.954893][ T9573] ? up_read+0xc4/0x200 [ 80.959029][ T9573] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.965101][ T9573] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.971151][ T9573] ? do_syscall_64+0x26/0x6a0 [ 80.975821][ T9573] ? lockdep_hardirqs_on+0x418/0x5d0 [ 80.981092][ T9573] __x64_sys_unshare+0x31/0x40 [ 80.985838][ T9573] do_syscall_64+0xfd/0x6a0 [ 80.990321][ T9573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.996190][ T9573] RIP: 0033:0x4465f9 [ 81.000069][ T9573] 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 [ 81.019752][ T9573] RSP: 002b:00007f3a5321edb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 81.028156][ T9573] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 81.036209][ T9573] RDX: 0000000000402634 RSI: 34054a7f91b1ad81 RDI: 0000000060000000 [ 81.044166][ T9573] RBP: 00000000006dbc20 R08: 00007f3a5321f700 R09: 0000000000000000 [ 81.052138][ T9573] R10: 00007f3a5321f700 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.060123][ T9573] R13: 00007fff8967053f R14: 00007f3a5321f9c0 R15: 0000000000000000 [ 81.068092][ T9573] Modules linked in: [ 81.072617][ T9573] ---[ end trace 3710d1480833d73f ]--- [ 81.078105][ T9573] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 81.083412][ T9573] 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 [ 81.103083][ T9573] RSP: 0018:ffff88807d937b10 EFLAGS: 00010206 [ 81.109153][ T9573] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012c4bd20 [ 81.117142][ T9573] RDX: 000000000000000a RSI: 1ffff11012c4bd27 RDI: 0000000000000286 [ 81.125142][ T9573] RBP: ffff88807d937b50 R08: ffff88809625e080 R09: 0000000000000002 [ 81.133144][ T9573] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 81.141163][ T9573] R13: ffff88809414a080 R14: ffff88809866e900 R15: dffffc0000000000 [ 81.149120][ T9573] FS: 00007f3a5321f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.158060][ T9573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.164698][ T9573] CR2: 00000000004cc870 CR3: 00000000a8e14000 CR4: 00000000001406e0 [ 81.172738][ T9573] Kernel panic - not syncing: Fatal exception [ 81.179800][ T9573] Kernel Offset: disabled [ 81.184121][ T9573] Rebooting in 86400 seconds..