[ 62.998201][ T26] audit: type=1800 audit(1561310885.535:24): pid=9134 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. [ 63.832584][ T26] audit: type=1800 audit(1561310886.445:25): pid=9134 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 63.876383][ T26] audit: type=1800 audit(1561310886.445:26): pid=9134 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 '10.128.10.24' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 75.970127][ T9289] IPVS: ftp: loaded support on port[0] = 21 [ 76.009790][ T9291] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.043184][ T9293] IPVS: ftp: loaded support on port[0] = 21 [ 76.077592][ T9295] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.111886][ T9297] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.157148][ T9299] IPVS: ftp: loaded support on port[0] = 21 [ 76.191860][ T9301] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.229127][ T9303] IPVS: ftp: loaded support on port[0] = 21 [ 76.268070][ T9305] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.312986][ T9307] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.354406][ T9309] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.404221][ T9311] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.447365][ T9313] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.491517][ T9315] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.535492][ T9317] IPVS: ftp: loaded support on port[0] = 21 [ 76.574910][ T9319] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.670123][ T9322] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.740155][ T9324] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.809440][ T9326] IPVS: ftp: loaded support on port[0] = 21 [ 76.846634][ T9328] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.884392][ T9330] IPVS: ftp: loaded support on port[0] = 21 [ 76.921216][ T9332] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 76.958564][ T9334] IPVS: ftp: loaded support on port[0] = 21 [ 76.996266][ T9336] IPVS: ftp: loaded support on port[0] = 21 [ 77.042978][ T9338] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.169028][ T9340] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.257338][ T9342] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.322531][ T9344] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.390264][ T9346] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.459909][ T9348] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.504412][ T9350] IPVS: ftp: loaded support on port[0] = 21 [ 77.536441][ T9352] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.576249][ T9354] IPVS: ftp: loaded support on port[0] = 21 [ 77.613460][ T9356] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.652209][ T9358] IPVS: ftp: loaded support on port[0] = 21 [ 77.690456][ T9360] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.728775][ T9362] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.773940][ T9364] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.841833][ T9366] IPVS: ftp: loaded support on port[0] = 21 [ 77.881020][ T9368] IPVS: ftp: loaded support on port[0] = 21 executing program [ 77.917210][ T9370] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 77.966784][ T9372] IPVS: ftp: loaded support on port[0] = 21 [ 78.005084][ T9374] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.040789][ T9376] IPVS: ftp: loaded support on port[0] = 21 [ 78.077151][ T9378] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.112435][ T9380] IPVS: ftp: loaded support on port[0] = 21 [ 78.150702][ T9382] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.187736][ T9384] IPVS: ftp: loaded support on port[0] = 21 [ 78.227434][ T9386] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.265426][ T9388] IPVS: ftp: loaded support on port[0] = 21 [ 78.302009][ T9390] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.338399][ T9392] IPVS: ftp: loaded support on port[0] = 21 [ 78.374440][ T9394] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.410062][ T9396] IPVS: ftp: loaded support on port[0] = 21 [ 78.447520][ T9398] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.483061][ T9400] IPVS: ftp: loaded support on port[0] = 21 [ 78.515457][ T9402] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.552652][ T9404] IPVS: ftp: loaded support on port[0] = 21 [ 78.586585][ T9406] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.622884][ T9408] IPVS: ftp: loaded support on port[0] = 21 [ 78.659973][ T9410] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.697417][ T9412] IPVS: ftp: loaded support on port[0] = 21 [ 78.733531][ T9414] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.770479][ T9416] IPVS: ftp: loaded support on port[0] = 21 [ 78.808557][ T9418] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.844665][ T9420] IPVS: ftp: loaded support on port[0] = 21 [ 78.880563][ T9422] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.916997][ T9424] IPVS: ftp: loaded support on port[0] = 21 [ 78.953695][ T9426] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 78.989959][ T9428] IPVS: ftp: loaded support on port[0] = 21 [ 79.025610][ T9430] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.062645][ T9432] IPVS: ftp: loaded support on port[0] = 21 [ 79.099957][ T9434] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.135853][ T9436] IPVS: ftp: loaded support on port[0] = 21 [ 79.172855][ T9438] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.211566][ T9440] IPVS: ftp: loaded support on port[0] = 21 [ 79.247214][ T9442] IPVS: ftp: loaded support on port[0] = 21 [ 79.282773][ T9444] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.383493][ T9446] IPVS: ftp: loaded support on port[0] = 21 [ 79.433414][ T9448] IPVS: ftp: loaded support on port[0] = 21 executing program [ 79.535705][ T9450] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.625691][ T9452] IPVS: ftp: loaded support on port[0] = 21 [ 79.691777][ T9454] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.769463][ T9456] IPVS: ftp: loaded support on port[0] = 21 [ 79.824584][ T9458] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 79.908261][ T9460] IPVS: ftp: loaded support on port[0] = 21 [ 79.955126][ T9462] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.081165][ T9464] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.175675][ T9466] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.269064][ T9468] IPVS: ftp: loaded support on port[0] = 21 [ 80.331069][ T9470] IPVS: ftp: loaded support on port[0] = 21 executing program [ 80.400791][ T9472] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 80.509579][ T9474] IPVS: ftp: loaded support on port[0] = 21 [ 80.555529][ T9476] IPVS: ftp: loaded support on port[0] = 21 [ 80.966442][ T9476] kasan: CONFIG_KASAN_INLINE enabled [ 80.971875][ T9476] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.980117][ T9476] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.987079][ T9476] CPU: 1 PID: 9476 Comm: syz-executor150 Not tainted 5.2.0-rc5-next-20190621 #20 [ 80.996171][ T9476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.006368][ T9476] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 81.011765][ T9476] 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 [ 81.031448][ T9476] RSP: 0018:ffff888097047b10 EFLAGS: 00010206 [ 81.037506][ T9476] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012aa99f0 [ 81.045492][ T9476] RDX: 000000000000000a RSI: 1ffff11012aa99f7 RDI: 0000000000000286 [ 81.053605][ T9476] RBP: ffff888097047b50 R08: ffff88809554c700 R09: 0000000000000002 [ 81.061568][ T9476] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 81.071288][ T9476] R13: ffff888084f7a100 R14: ffff888092e01200 R15: dffffc0000000000 [ 81.079269][ T9476] FS: 00007fb0e93aa700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.088300][ T9476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.095042][ T9476] CR2: 00000000004cc870 CR3: 000000009fe5d000 CR4: 00000000001406e0 [ 81.102999][ T9476] Call Trace: [ 81.106279][ T9476] ? kasan_check_read+0x11/0x20 [ 81.111155][ T9476] ovs_exit_net+0x1f8/0xc30 [ 81.115712][ T9476] ? synchronize_rcu.part.0+0xcf/0xe0 [ 81.121102][ T9476] ? kfree_call_rcu+0x10/0x10 [ 81.125764][ T9476] ? ovs_dp_cmd_del+0x270/0x270 [ 81.130630][ T9476] ? ovs_dp_cmd_del+0x270/0x270 [ 81.135473][ T9476] ops_exit_list.isra.0+0xaa/0x150 [ 81.140828][ T9476] setup_net+0x518/0x870 [ 81.145061][ T9476] ? ops_init+0x410/0x410 [ 81.149378][ T9476] ? kasan_check_write+0x14/0x20 [ 81.154304][ T9476] ? down_read_killable+0x51/0x220 [ 81.159551][ T9476] copy_net_ns+0x1df/0x340 [ 81.163968][ T9476] create_new_namespaces+0x400/0x7b0 [ 81.169263][ T9476] unshare_nsproxy_namespaces+0xc2/0x200 [ 81.174903][ T9476] ksys_unshare+0x444/0x980 [ 81.179414][ T9476] ? walk_process_tree+0x2c0/0x2c0 [ 81.191563][ T9476] ? up_read+0xc4/0x200 [ 81.195710][ T9476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.201195][ T9476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.207253][ T9476] ? do_syscall_64+0x26/0x6a0 [ 81.212090][ T9476] ? lockdep_hardirqs_on+0x418/0x5d0 [ 81.217366][ T9476] __x64_sys_unshare+0x31/0x40 [ 81.222119][ T9476] do_syscall_64+0xfd/0x6a0 [ 81.226636][ T9476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.232611][ T9476] RIP: 0033:0x4465f9 [ 81.236523][ T9476] 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 [ 81.256343][ T9476] RSP: 002b:00007fb0e93a9db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 81.264776][ T9476] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004465f9 [ 81.272987][ T9476] RDX: 0000000000402634 RSI: 7c2e051c2d46c5de RDI: 0000000040000200 [ 81.281062][ T9476] RBP: 00000000006dbc20 R08: 00007fb0e93aa700 R09: 0000000000000000 [ 81.289126][ T9476] R10: 00007fb0e93aa700 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.297083][ T9476] R13: 00007fffdbced69f R14: 00007fb0e93aa9c0 R15: 0000000000000000 [ 81.305044][ T9476] Modules linked in: [ 81.309158][ T9476] ---[ end trace 1a04e408987a9277 ]--- [ 81.314640][ T9476] RIP: 0010:ovs_ct_exit+0x1ac/0x4ec [ 81.319917][ T9476] 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 [ 81.340029][ T9476] RSP: 0018:ffff888097047b10 EFLAGS: 00010206 [ 81.346090][ T9476] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff11012aa99f0 [ 81.354260][ T9476] RDX: 000000000000000a RSI: 1ffff11012aa99f7 RDI: 0000000000000286 [ 81.362853][ T9476] RBP: ffff888097047b50 R08: ffff88809554c700 R09: 0000000000000002 [ 81.370882][ T9476] R10: fffffbfff13429ff R11: ffffffff89a14fff R12: 0000000000000000 [ 81.378888][ T9476] R13: ffff888084f7a100 R14: ffff888092e01200 R15: dffffc0000000000 [ 81.387322][ T9476] FS: 00007fb0e93aa700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.396644][ T9476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.403272][ T9476] CR2: 00000000004cc870 CR3: 000000009fe5d000 CR4: 00000000001406e0 [ 81.411309][ T9476] Kernel panic - not syncing: Fatal exception [ 81.418453][ T9476] Kernel Offset: disabled [ 81.422803][ T9476] Rebooting in 86400 seconds..