Public bug reported:
Earlier today ubuntu bumped nginx to from 1.24.0-2ubuntu7.9 to
1.24.0-2ubuntu7.10 on Ubuntu 24.04.4 LTS and nginx simply won't start.
The error message:
```
Jun 09 07:07:18 www22 nginx[2667709]: 2026/06/09 07:07:18 [alert]
2667709#2667709: worker process 2667736 exited on signal 11 (core dumped)
Jun 09 07:07:20 www22 nginx[2667709]: 2026/06/09 07:07:20 [alert]
2667709#2667709: worker process 2667738 exited on signal 11 (core dumped)
Jun 09 07:07:21 www22 nginx[2667709]: 2026/06/09 07:07:21 [alert]
2667709#2667709: worker process 2667740 exited on signal 11 (core dumped)
Jun 09 07:07:33 www22 nginx[2667709]: 2026/06/09 07:07:33 [alert]
2667709#2667709: worker process 2667756 exited on signal 11 (core dumped)
Jun 09 07:07:36 www22 nginx[2667709]: 2026/06/09 07:07:36 [alert]
2667709#2667709: worker process 2667758 exited on signal 11 (core dumped)
Jun 09 07:07:39 www22 nginx[2667709]: 2026/06/09 07:07:39 [alert]
2667709#2667709: worker process 2667760 exited on signal 11 (core dumped)
Jun 09 07:07:48 www22 nginx[2667709]: 2026/06/09 07:07:48 [alert]
2667709#2667709: worker process 2667772 exited on signal 11 (core dumped)
Jun 09 07:07:51 www22 nginx[2667709]: 2026/06/09 07:07:51 [alert]
2667709#2667709: worker process 2667774 exited on signal 11 (core dumped)
Jun 09 07:07:51 www22 nginx[2667709]: 2026/06/09 07:07:51 [alert]
2667709#2667709: worker process 2667790 exited on signal 11 (core dumped)
Jun 09 07:08:06 www22 nginx[2667709]: 2026/06/09 07:08:06 [alert]
2667709#2667709: worker process 2667794 exited on signal 11 (core dumped)
```
When I used `coredumpctl gdb nginx` to get the bt, I got the following:
```
#0 0x0000ba9685067f14 in ngx_strncasecmp ()
#1 0x0000fd5189cd1ebc [PAC] in ?? () from
/usr/share/nginx/modules/ngx_http_headers_more_filter_module.so
#2 0x0000fd5189cd2420 [PAC] in ngx_http_headers_more_exec_cmd () from
/usr/share/nginx/modules/ngx_http_headers_more_filter_module.so
#3 0x0000fd5189cd2514 [PAC] in ?? () from
/usr/share/nginx/modules/ngx_http_headers_more_filter_module.so
#4 0x0000ba9685124420 [PAC] in ?? ()
#5 0x0000ba96850ac248 [PAC] in ngx_http_core_content_phase ()
#6 0x0000ba96850a6598 [PAC] in ngx_http_core_run_phases ()
#7 0x0000ba96850b7790 [PAC] in ?? ()
#8 0x0000ba96850b7bc4 [PAC] in ?? ()
#9 0x0000ba96850956a8 [PAC] in ?? ()
#10 0x0000ba968508b10c [PAC] in ngx_process_events_and_timers ()
#11 0x0000ba9685096f5c [PAC] in ?? ()
#12 0x0000ba9685091598 [PAC] in ngx_spawn_process ()
#13 0x0000ba96850963b8 [PAC] in ngx_master_process_cycle ()
#14 0x0000ba9685066250 [PAC] in main ()
```
I tried disabling the module and nginx started, but since I needed the module,
I had to downgrade nginx to 1.24.0-2ubuntu7.9, downloading the binaries from
launchpad.
A new version of libnginx-mod-http-headers-more-filter is needed to fix the
issue, but I think an automated build whenever a new nginx version is released
would be necessary to prevent it in the future.
** Affects: libnginx-mod-http-headers-more-filter (Ubuntu)
Importance: Undecided
Status: Confirmed
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https://bugs.launchpad.net/bugs/2156015
Title:
New nginx version 1.24.0-2ubuntu7.10 on noble is crashing on restart
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