Atomicorp

My RHEL5 server depends heavily on a Perl module "Math::Pari"

Today I needed to reboot the server - and as a result I think I have activated ASL's kernel and GRSecurity stuff.

Unfortunately this is causing (I think) Math::Pari to fail:

Can't load
'/usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/auto/Math/Pari/Pari.so'
for module Math::Pari:
/usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/auto/Math/Pari/Pari.so:
cannot enable executable stack as shared object requires: Permission denied at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230.

Although in /etc/asl/config I have "ALLOW_kmod_loading="no", in the GUI I see GRSecurity stuff as switched on.

Any ideas?

cannot enable executable stack as shared object requires: Permission denied at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230. <- this lies. It does not need an executable stack.Turn that off with:

execstack -c /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm


What RPM does that file belong to? rpm -qf /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm

RichardM wrote:Today I needed to reboot the server - and as a result I think I have activated ASL's kernel and GRSecurity stuff.

That's actually a good thing, really.

Although in /etc/asl/config I have "ALLOW_kmod_loading="no", in the GUI I see GRSecurity stuff as switched on.

ALLOW_kmod_loading=no means that the ASL kernel won't allow loading kernel modules (at runtime).

scott wrote:cannot enable executable stack as shared object requires: Permission denied at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230. <- this lies. It does not need an executable stack.Turn that off with:

execstack -c /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm


What RPM does that file belong to? rpm -qf /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm

It belongs to perl-5.8.8-10.el5_2.3

The execstack -c fixed it.

Excellent! Thanks so much.