Bug: Intermittent browser_connection_dnsoverhttps.js | application crashed [@ mozilla::net::nsSocketTransport::InitiateSocket()] | after FATAL ERROR: Non-local network connections are disabled and a connection attempt to mozilla.cloudflare-dns.com (104.16.249.
Status: RESOLVED
Priority: --
Resolution: DUPLICATE
Created: 2021-11-24 21:27:49+00:00
Resolved: 2021-11-29 06:29:01+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=359142713&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WSojNPVkSVunHTsc-LynKw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-11-24T20:09:20.783Z] 20:09:20     INFO - TEST-START | browser/components/preferences/tests/browser_connection_dnsoverhttps.js
[task 2021-11-24T20:09:22.805Z] 20:09:22     INFO - GECKO(14339) | FATAL ERROR: Non-local network connections are disabled and a connection attempt to mozilla.cloudflare-dns.com (104.16.249.249) was made.
[task 2021-11-24T20:09:22.805Z] 20:09:22     INFO - GECKO(14339) | You should only access hostnames available via the test networking proxy (if running mochitests) or from a test-specific httpd.js server (if running xpcshell tests). Browser services should be disabled or redirected to a local server.
[task 2021-11-24T20:09:22.817Z] 20:09:22     INFO - GECKO(14339) | ExceptionHandler::GenerateDump cloned child 15311
[task 2021-11-24T20:09:22.818Z] 20:09:22     INFO - GECKO(14339) | ExceptionHandler::SendContinueSignalToChild sent continue signal to child
[task 2021-11-24T20:09:22.818Z] 20:09:22     INFO - GECKO(14339) | ExceptionHandler::WaitForContinueSignal waiting for continue signal...
[task 2021-11-24T20:09:23.024Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.036Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.037Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.038Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.039Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.040Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.041Z] 20:09:23     INFO - GECKO(14339) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-11-24T20:09:23.043Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.044Z] 20:09:23     INFO - GECKO(14339) | Exiting due to channel error.
[task 2021-11-24T20:09:23.066Z] 20:09:23     INFO - TEST-INFO | Main app process: exit 11
<...>
[task 2021-11-24T20:09:30.065Z] 20:09:30     INFO - mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/085f162a-afaf-9906-01f9-3f75fa201340.dmp
[task 2021-11-24T20:09:30.066Z] 20:09:30     INFO - mozcrash Saved app info as /builds/worker/workspace/build/blobber_upload_dir/085f162a-afaf-9906-01f9-3f75fa201340.extra
[task 2021-11-24T20:09:30.374Z] 20:09:30     INFO - PROCESS-CRASH | browser/components/preferences/tests/browser_connection_dnsoverhttps.js | application crashed [@ mozilla::net::nsSocketTransport::InitiateSocket()]
[task 2021-11-24T20:09:30.375Z] 20:09:30     INFO - Mozilla crash reason: MOZ_CRASH(Attempting to connect to non-local address!)
[task 2021-11-24T20:09:30.376Z] 20:09:30     INFO - Crash dump filename: /tmp/tmp6htji6mo.mozrunner/minidumps/085f162a-afaf-9906-01f9-3f75fa201340.dmp
[task 2021-11-24T20:09:30.376Z] 20:09:30     INFO - Operating system: Linux
[task 2021-11-24T20:09:30.377Z] 20:09:30     INFO -                   0.0.0 Linux 4.4.0-1014-aws #14taskcluster1-Ubuntu SMP Tue Apr 3 10:27:00 UTC 2018 x86_64
[task 2021-11-24T20:09:30.377Z] 20:09:30     INFO - CPU: amd64
[task 2021-11-24T20:09:30.378Z] 20:09:30     INFO -      family 6 model 85 stepping 7
[task 2021-11-24T20:09:30.378Z] 20:09:30     INFO -      2 CPUs
[task 2021-11-24T20:09:30.379Z] 20:09:30     INFO - Linux Ubuntu 18.04 - bionic (Ubuntu 18.04.6 LTS)
[task 2021-11-24T20:09:30.380Z] 20:09:30     INFO - 
[task 2021-11-24T20:09:30.380Z] 20:09:30     INFO - Crash reason:  SIGSEGV / SEGV_MAPERR
[task 2021-11-24T20:09:30.381Z] 20:09:30     INFO - Crash address: 0x0
[task 2021-11-24T20:09:30.381Z] 20:09:30     INFO - Process uptime: not available
[task 2021-11-24T20:09:30.381Z] 20:09:30     INFO - 
[task 2021-11-24T20:09:30.382Z] 20:09:30     INFO - Thread 5  (crashed)
[task 2021-11-24T20:09:30.382Z] 20:09:30     INFO -  0  libxul.so!mozilla::net::nsSocketTransport::InitiateSocket() [nsSocketTransport2.cpp:6b634741402ba449c99161e737a61806e78c460a : 1236 + 0x11]
[task 2021-11-24T20:09:30.383Z] 20:09:30     INFO -     rax = 0x00007f5c3a9a0443   rdx = 0x00007f5c4cdac8b0
[task 2021-11-24T20:09:30.383Z] 20:09:30     INFO -     rcx = 0x000055e47946cef0   rbx = 0x00007f5be72a7580
[task 2021-11-24T20:09:30.384Z] 20:09:30     INFO -     rsi = 0x0000000000000175   rdi = 0x00007f5c3963fd30
[task 2021-11-24T20:09:30.384Z] 20:09:30     INFO -     rbp = 0x00007f5c39642820   rsp = 0x00007f5c39642510
[task 2021-11-24T20:09:30.385Z] 20:09:30     INFO -      r8 = 0x0000000000000175    r9 = 0x000000000000000e
[task 2021-11-24T20:09:30.385Z] 20:09:30     INFO -     r10 = 0x00000000fffffff2   r11 = 0x0000000000000000
[task 2021-11-24T20:09:30.385Z] 20:09:30     INFO -     r12 = 0x00007f5bedc44c00   r13 = 0x00007f5bedc44e10
[task 2021-11-24T20:09:30.386Z] 20:09:30     INFO -     r14 = 0x0000000080004004   r15 = 0x00007f5bedc44d20
[task 2021-11-24T20:09:30.386Z] 20:09:30     INFO -     rip = 0x00007f5c3d1d1339
[task 2021-11-24T20:09:30.387Z] 20:09:30     INFO -     Found by: given as instruction pointer in context
[task 2021-11-24T20:09:30.387Z] 20:09:30     INFO -  1  libxul.so!mozilla::net::nsSocketTransport::OnSocketEvent(unsigned int, nsresult, nsISupports*) [nsSocketTransport2.cpp:6b634741402ba449c99161e737a61806e78c460a : 1986 + 0x15]
[task 2021-11-24T20:09:30.388Z] 20:09:30     INFO -     rbx = 0x0000000000000001   rbp = 0x00007f5c39642860
[task 2021-11-24T20:09:30.388Z] 20:09:30     INFO -     rsp = 0x00007f5c39642830   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.389Z] 20:09:30     INFO -     r13 = 0x00007f5c4c7d85d0   r14 = 0x0000000000000000
[task 2021-11-24T20:09:30.389Z] 20:09:30     INFO -     r15 = 0x00007f5bedc44c00   rip = 0x00007f5c3d1d337e
[task 2021-11-24T20:09:30.390Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.390Z] 20:09:30     INFO -  2  libxul.so!mozilla::net::nsSocketEvent::Run() [nsSocketTransport2.cpp:6b634741402ba449c99161e737a61806e78c460a : 94 + 0x15]
[task 2021-11-24T20:09:30.390Z] 20:09:30     INFO -     rbx = 0x00007f5c39642920   rbp = 0x00007f5c39642870
[task 2021-11-24T20:09:30.391Z] 20:09:30     INFO -     rsp = 0x00007f5c39642870   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.391Z] 20:09:30     INFO -     r13 = 0x00007f5c4c7d85d0   r14 = 0x0000000000000000
[task 2021-11-24T20:09:30.392Z] 20:09:30     INFO -     r15 = 0x000000b8e4aa5a7f   rip = 0x00007f5c3d1ed89a
[task 2021-11-24T20:09:30.392Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.393Z] 20:09:30     INFO -  3  libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:6b634741402ba449c99161e737a61806e78c460a : 1177 + 0xc]
[task 2021-11-24T20:09:30.393Z] 20:09:30     INFO -     rbx = 0x00007f5c39642920   rbp = 0x00007f5c396429b0
[task 2021-11-24T20:09:30.394Z] 20:09:30     INFO -     rsp = 0x00007f5c39642880   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.394Z] 20:09:30     INFO -     r13 = 0x00007f5c4c7d85d0   r14 = 0x0000000000000000
[task 2021-11-24T20:09:30.394Z] 20:09:30     INFO -     r15 = 0x000000b8e4aa5a7f   rip = 0x00007f5c3d09feaa
[task 2021-11-24T20:09:30.395Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.395Z] 20:09:30     INFO -  4  libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:6b634741402ba449c99161e737a61806e78c460a : 467 + 0xc]
[task 2021-11-24T20:09:30.396Z] 20:09:30     INFO -     rbx = 0x0000000000000001   rbp = 0x00007f5c396429e0
[task 2021-11-24T20:09:30.396Z] 20:09:30     INFO -     rsp = 0x00007f5c396429c0   r12 = 0x000000b8e4aa5233
[task 2021-11-24T20:09:30.397Z] 20:09:30     INFO -     r13 = 0x00007f5c39523240   r14 = 0x7fffffffffffffff
[task 2021-11-24T20:09:30.397Z] 20:09:30     INFO -     r15 = 0x00007f5c39642a40   rip = 0x00007f5c3d0a4108
[task 2021-11-24T20:09:30.398Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.398Z] 20:09:30     INFO -  5  libxul.so!mozilla::net::nsSocketTransportService::Run() [nsSocketTransportService2.cpp:6b634741402ba449c99161e737a61806e78c460a : 1190 + 0xd]
[task 2021-11-24T20:09:30.398Z] 20:09:30     INFO -     rbx = 0x00007f5c39642a3f   rbp = 0x00007f5c39642a80
[task 2021-11-24T20:09:30.399Z] 20:09:30     INFO -     rsp = 0x00007f5c396429f0   r12 = 0x000000b8e4aa5233
[task 2021-11-24T20:09:30.399Z] 20:09:30     INFO -     r13 = 0x00007f5c39523240   r14 = 0x7fffffffffffffff
[task 2021-11-24T20:09:30.400Z] 20:09:30     INFO -     r15 = 0x00007f5c39642a40   rip = 0x00007f5c3d1da5a3
[task 2021-11-24T20:09:30.400Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.401Z] 20:09:30     INFO -  6  libxul.so!{virtual override thunk({offset(-32)}, mozilla::net::nsSocketTransportService::Run())} + 0xc
[task 2021-11-24T20:09:30.401Z] 20:09:30     INFO -     rbx = 0x00007f5c39642b40   rbp = 0x00007f5c39642a90
[task 2021-11-24T20:09:30.402Z] 20:09:30     INFO -     rsp = 0x00007f5c39642a90   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.402Z] 20:09:30     INFO -     r13 = 0x00007f5c4c7d85d0   r14 = 0x0000000000000000
[task 2021-11-24T20:09:30.403Z] 20:09:30     INFO -     r15 = 0x000000af8098f201   rip = 0x00007f5c3d1db1bd
[task 2021-11-24T20:09:30.403Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.404Z] 20:09:30     INFO -  7  libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:6b634741402ba449c99161e737a61806e78c460a : 1177 + 0xc]
[task 2021-11-24T20:09:30.404Z] 20:09:30     INFO -     rbx = 0x00007f5c39642b40   rbp = 0x00007f5c39642bd0
[task 2021-11-24T20:09:30.404Z] 20:09:30     INFO -     rsp = 0x00007f5c39642aa0   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.405Z] 20:09:30     INFO -     r13 = 0x00007f5c4c7d85d0   r14 = 0x0000000000000000
[task 2021-11-24T20:09:30.405Z] 20:09:30     INFO -     r15 = 0x000000af8098f201   rip = 0x00007f5c3d09feaa
[task 2021-11-24T20:09:30.406Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.407Z] 20:09:30     INFO -  8  libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:6b634741402ba449c99161e737a61806e78c460a : 467 + 0xc]
[task 2021-11-24T20:09:30.407Z] 20:09:30     INFO -     rbx = 0x0000000000000000   rbp = 0x00007f5c39642c00
[task 2021-11-24T20:09:30.407Z] 20:09:30     INFO -     rsp = 0x00007f5c39642be0   r12 = 0x00007f5c325603e0
[task 2021-11-24T20:09:30.407Z] 20:09:30     INFO -     r13 = 0x00007f5c39642c88   r14 = 0x00007f5c325603c0
[task 2021-11-24T20:09:30.407Z] 20:09:30     INFO -     r15 = 0x00007f5c4c7d85d0   rip = 0x00007f5c3d0a4108
[task 2021-11-24T20:09:30.408Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.408Z] 20:09:30     INFO -  9  libxul.so!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:6b634741402ba449c99161e737a61806e78c460a : 300 + 0x9]
[task 2021-11-24T20:09:30.409Z] 20:09:30     INFO -     rbx = 0x00007f5c4c7d85d0   rbp = 0x00007f5c39642c40
[task 2021-11-24T20:09:30.409Z] 20:09:30     INFO -     rsp = 0x00007f5c39642c10   r12 = 0x00007f5c325603e0
[task 2021-11-24T20:09:30.409Z] 20:09:30     INFO -     r13 = 0x00007f5c39642c88   r14 = 0x00007f5c325603c0
[task 2021-11-24T20:09:30.410Z] 20:09:30     INFO -     r15 = 0x00007f5c4c7d85d0   rip = 0x00007f5c3d68ced8
[task 2021-11-24T20:09:30.410Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.410Z] 20:09:30     INFO - 10  libxul.so!MessageLoop::Run() [message_loop.cc:6b634741402ba449c99161e737a61806e78c460a : 306 + 0xb]
[task 2021-11-24T20:09:30.411Z] 20:09:30     INFO -     rbx = 0x00007f5c4c7d85d0   rbp = 0x00007f5c39642c70
[task 2021-11-24T20:09:30.411Z] 20:09:30     INFO -     rsp = 0x00007f5c39642c50   r12 = 0x00007f5c39642c88
[task 2021-11-24T20:09:30.412Z] 20:09:30     INFO -     r13 = 0x000000000000000d   r14 = 0x00007f5c38252280
[task 2021-11-24T20:09:30.412Z] 20:09:30     INFO -     r15 = 0x00007f5c38252288   rip = 0x00007f5c3d63c896
[task 2021-11-24T20:09:30.412Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.413Z] 20:09:30     INFO - 11  libxul.so!nsThread::ThreadFunc(void*) [nsThread.cpp:6b634741402ba449c99161e737a61806e78c460a : 391 + 0x7]
[task 2021-11-24T20:09:30.413Z] 20:09:30     INFO -     rbx = 0x00007f5c4c7d85d0   rbp = 0x00007f5c39642e60
[task 2021-11-24T20:09:30.413Z] 20:09:30     INFO -     rsp = 0x00007f5c39642c80   r12 = 0x00007f5c39642c88
[task 2021-11-24T20:09:30.414Z] 20:09:30     INFO -     r13 = 0x000000000000000d   r14 = 0x00007f5c38252280
[task 2021-11-24T20:09:30.414Z] 20:09:30     INFO -     r15 = 0x00007f5c38252288   rip = 0x00007f5c3d09d813
[task 2021-11-24T20:09:30.414Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.415Z] 20:09:30     INFO - 12  libnspr4.so!_pt_root [ptthread.c:6b634741402ba449c99161e737a61806e78c460a : 201 + 0x7]
[task 2021-11-24T20:09:30.415Z] 20:09:30     INFO -     rbx = 0x00007f5c39643700   rbp = 0x00007f5c39642eb0
[task 2021-11-24T20:09:30.416Z] 20:09:30     INFO -     rsp = 0x00007f5c39642e70   r12 = 0x0000000000000000
[task 2021-11-24T20:09:30.416Z] 20:09:30     INFO -     r13 = 0x00007f5c395f2b80   r14 = 0x0000000000000002
[task 2021-11-24T20:09:30.416Z] 20:09:30     INFO -     r15 = 0x00007f5c4c722d80   rip = 0x00007f5c4dc8b949
[task 2021-11-24T20:09:30.417Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.417Z] 20:09:30     INFO - 13  libpthread.so.0!start_thread [pthread_create.c : 463 + 0xc]
[task 2021-11-24T20:09:30.417Z] 20:09:30     INFO -     rbx = 0x0000000000000000   rbp = 0x0000000000000000
[task 2021-11-24T20:09:30.418Z] 20:09:30     INFO -     rsp = 0x00007f5c39642ec0   r12 = 0x00007f5c39642f80
[task 2021-11-24T20:09:30.418Z] 20:09:30     INFO -     r13 = 0x0000000000000000   r14 = 0x00007f5c395f2b80
[task 2021-11-24T20:09:30.418Z] 20:09:30     INFO -     r15 = 0x00007ffe7125adb8   rip = 0x00007f5c4d8fa6db
[task 2021-11-24T20:09:30.419Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.419Z] 20:09:30     INFO - 14  libc.so.6!__GI___clone + 0x3e
[task 2021-11-24T20:09:30.420Z] 20:09:30     INFO -     rbx = 0x00007f5c39643700   rbp = 0x0000000000000000
[task 2021-11-24T20:09:30.420Z] 20:09:30     INFO -     rsp = 0x00007f5c39642f80   r12 = 0x00007f5c39642f80
[task 2021-11-24T20:09:30.420Z] 20:09:30     INFO -     r13 = 0x0000000000000000   r14 = 0x00007f5c395f2b80
[task 2021-11-24T20:09:30.421Z] 20:09:30     INFO -     r15 = 0x00007ffe7125adb8   rip = 0x00007f5c4cae0a3f
[task 2021-11-24T20:09:30.421Z] 20:09:30     INFO -     Found by: call frame info
[task 2021-11-24T20:09:30.421Z] 20:09:30     INFO - 
```