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Re: Possible future NX ON_STACk regression Re: [patch 3/3] Use ON_STACK for i386/amd64 (gdb2495.exp regression)
> Date: Mon, 18 Jun 2012 16:20:55 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
>
> On Mon, 18 Jun 2012 10:09:07 +0200, Jan Kratochvil wrote:
> > In https://bugzilla.redhat.com/show_bug.cgi?id=832534 Nathan Sidwell reports
> > that inferior calls segfault with inferior non-executable stack and Fedora GDB
> > already containing this patch.
>
> I have heuristically found the problem affects only one Fedora kernel
> version/arch:
> https://bugzilla.redhat.com/show_bug.cgi?id=832534#c9
>
> So the GDB patch should be compatible with Linux kernels in general I hope.
> Feel free to run the testcase on your kernel/CPU:
> http://sourceware.org/cgi-bin/cvsweb.cgi/~checkout~/tests/ptrace-tests/tests/ret-to-nxpage.c?cvsroot=systemtap
> gcc -o ret-to-nxpage ret-to-nxpage.c -Wall -g; ./ret-to-nxpage; echo $?
> 0 == PASS
OK, go for it then.