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Bug#916375: apache2: Segmentation fault when mod_perl.so is loaded

On Thu, Dec 13, 2018 at 06:44:32PM +0100, h.thien wrote:
> Package: apache2
> Version: 2.4.25-3+deb9u6
> Severity: grave
> Tags: patch
> Justification: renders package unusable

> 		gdb> Thread 1 "/opt/otrs/bin/cgi-bi" received signal SIGSEGV, Segmentation fault.
> 		gdb> bt
> 		    #0  0x00007fffdcd290c7 in free_defaults () from /usr/lib/x86_64-linux-gnu/libmariadbclient.so.18

> 	We are using unattended upgrades (security only), and we suspect that an automatic system update has installed a new Perl version that now causes these problems.

Have you ruled out the MariaDB update? That one seems the most
likely to have triggered this regression.


(Not sure how reliably you got the list of loaded shared libraries;
you seem to be running the prefork mpm so presumably only some of your
apache processes will have the libraries loaded by the actual Perl

Niko Tyni   ntyni@debian.org

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