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Posted to dev@httpd.apache.org by Robert L Mathews <li...@tigertech.com> on 2026/02/05 19:04:52 UTC
mod_http2 crashes in 2.4.66
Since upgrading from 2.4.65 to 2.4.66 on Debian, I've seen occasional crashes like this:
apache2[453094]: segfault at 7f3a29bdc0b8
ip 00007f3a2ebd5dbb sp 00007f39fdfdcb20 error 4
in mod_http2.so[7f3a2ebc5000+29000]
gdb on the coredump shows:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 c1_purge_streams (m=0x7f3a2af26738) at ./modules/http2/h2_mplx.c:606
Is this the bug that's fixed with this patch, or is it something different?
https://github.com/icing/mod_h2/commit/b18fc7d2f8f5efe1336ba05ef25ada52fdaf3967
If it's something different I can try and collect more information about it.
--
Robert L Mathews
Re: mod_http2 crashes in 2.4.66
Posted by Steffen Land <st...@apache.org>.
Running now 2.0.39 from git.
Sofar all ok.
Re: mod_http2 crashes in 2.4.66
Posted by Stefan Eissing via dev <de...@httpd.apache.org>.
> Am 07.03.2026 um 09:19 schrieb Steffen Land <st...@apache.org>:
>
> On Windows we are also struggling with crashes.
>
> After disabling mod_http2 till now no crashes.
>
> https://www.apachelounge.com/viewtopic.php?p=44188#44188
Probably https://bz.apache.org/bugzilla/show_bug.cgi?id=69899
>
> Cheers, Steffen
Re: mod_http2 crashes in 2.4.66
Posted by Steffen Land <st...@apache.org>.
On Windows we are also struggling with crashes.
After disabling mod_http2 till now no crashes.
https://www.apachelounge.com/viewtopic.php?p=44188#44188
Cheers, Steffen
Re: mod_http2 crashes in 2.4.66
Posted by Stefan Eissing via dev <de...@httpd.apache.org>.
> Am 05.02.2026 um 20:04 schrieb Robert L Mathews <li...@tigertech.com>:
>
> Since upgrading from 2.4.65 to 2.4.66 on Debian, I've seen occasional crashes like this:
>
> apache2[453094]: segfault at 7f3a29bdc0b8
> ip 00007f3a2ebd5dbb sp 00007f39fdfdcb20 error 4
> in mod_http2.so[7f3a2ebc5000+29000]
>
> gdb on the coredump shows:
>
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 c1_purge_streams (m=0x7f3a2af26738) at ./modules/http2/h2_mplx.c:606
>
> Is this the bug that's fixed with this patch, or is it something different?
>
> https://github.com/icing/mod_h2/commit/b18fc7d2f8f5efe1336ba05ef25ada52fdaf3967
Yes, this is the fix.
>
> If it's something different I can try and collect more information about it.
>
> --
> Robert L Mathews
>