Mailing List Archive: [Bug 67912] httpd segmentation violation (or other strange symptoms) after OS library updates

[Bug 67912] httpd segmentation violation (or other strange symptoms) after OS library updates

Oct 24, 2023, 1:26 AM

Post #1 of 3 (95 views)

https://bz.apache.org/bugzilla/show_bug.cgi?id=67912

Joe Orton <jorton@redhat.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID

--- Comment #1 from Joe Orton <jorton@redhat.com> ---
As with the other bug you reference, reporting this upstream is not going to
help when this is almost certainly a distribution-specific issue. If you're a
CentOS user please open a discussion in a CentOS discussion forum.

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[Bug 67912] httpd segmentation violation (or other strange symptoms) after OS library updates [ In reply to ]

bugzilla at apache

Oct 24, 2023, 8:40 AM

Post #2 of 3 (90 views)

Permalink

https://bz.apache.org/bugzilla/show_bug.cgi?id=67912

alex.nishri@utoronto.ca changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |---

--- Comment #2 from alex.nishri@utoronto.ca ---
This is not a distribution issue.

Linux administrators expect that when OS libraries are updated, all daemons
continue working without interruption.

That means that daemons continue to use the old unupdated OS libraries, until
the daemon is restarted.

In this case the NSS library was updated, affecting many daemons. All behaved
as expected, except Apache which produced critical SEGV faults or various
random strange critical symptoms.

The problem appears to be that Apache, unlike all other daemons, was using a
mix of the old unchanged NSS library, with the new updated NSS library. If
Apache is doing this, this is a programming error.

We have seen Apache crash with other OS library updates, not just this one.

Asking upstream CentOS to put in something to restart Apache because Apache
behaves poorly and inconsistently with all other Linux daemons, is not the
preferred solution.

Much appreciated.

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[Bug 67912] httpd segmentation violation (or other strange symptoms) after OS library updates [ In reply to ]

bugzilla at apache

Oct 24, 2023, 10:16 AM

Post #3 of 3 (89 views)

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https://bz.apache.org/bugzilla/show_bug.cgi?id=67912

Joe Orton <jorton@redhat.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |INVALID

--- Comment #3 from Joe Orton <jorton@redhat.com> ---
httpd does not use NSS. It may get linked in indirectly. This is a distribution
issue, please don't re-open bugs closed by maintainers.

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