"Reynier Perez Mira" <rperezm AT uci DOT cu> kirjoitti viestissä
news:4D18382A12A9B64190E1AD825FB591F3019E90DE AT ucixw2.uci DOT cu...
> > Search in the wiki & ml about the CX FLAGS D_FORTIFY_SOURCE=0
> >
> > Also there's explaination in the changelog of rpms sources
> > made by Scott.
>
> Hi Bruno and thanks for your reply:
> I search in Wiki and Bacula Installation and Configuration Manual as you
> suggested me but I can't find nothing. Maybe I not know how to find. Also
> I read the Changelog file in the rpms sources and I can't find nothing.
> Any help?

I think you need to give that fortify_source stuff as an extra option to the
compiler, but the exact syntax for your system may require some tuning. What
you can find from rpm release notes (copypasted below) won't propably be
a complete out-of-the-box solution for a non-rpm system that you obviously
have. But it should at least give a hint what to keep looking for, and a
short explanation what (new enough glibc version) is causing this.

Regards,
Timo



*****************************************
* Buffer Overflow Error and Crash in fd *
*****************************************

Fedora 8/9 now set -D_FORTIFY_SOURCE=2 as default compiler option. This
will probably be true on other platforms as they move to glibc >= 2.7. This
causes a false "buffer overflow detected" error and crash in bacula-fd and
other executables.

To avoid this problem a workaround for Redhat platforms is to set the CFLAGS
in your ~/.rpmmacros file as follows:

# uncomment for bacula
#%__global_cflags -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=0 -fno-exceptions
 -fno-strict-aliasing -fno-rtti

For SuSE platforms set as follows in your ~/.rpmrc file:

optflags:
i586 -O2 -g -m32 -march=i586 -mtune=i686 -fmessage-length=0 -D_FORTIFY_SOURCE=0
optflags: x86_64 -O2 -g -fmessage-length=0 -D_FORTIFY_SOURCE=0

See the discussion thread on bacula-devel for more information:
http://sourceforge.net/search/?ml_name=bacula-devel&type_of_search=mlists&group_id=50727&words=%22buffer+overflow+detected%22




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