On Sunday, 25 November 2018 19:07:56 CET Bernhard Übelacker wrote: > Dear Maintainer, > tried to find out the actual location that the backtrace points to. > > Unfortunately I could not make any clue out of the line > containing /usr/sbin/apache2(+0x29e450). > > But at least, I think, the line containing mod_mpm_prefork.so(+0x4c08) > translates to function prefork_run in server/mpm/prefork/prefork.c. > > As this is a rather big function, and looks like it is never left while > the server runs, and there are no local arrays accessed, the stack > canary may be overwritten by some function called from there. > But the stack canary is just checked when prefork_run exits. > > Kind regards, > Bernhard
The "bt full" gdb command is the important one. Please show its output as described in README.backtrace