Re: hardening-wrapper and debug symbols

[Julien Cristau <jcristau@debian.org>]

On Fri, 2009-10-23 at 15:27 +0300, Peter Eisentraut wrote:
> I found out the hard way that when a package is built with
> hardening-wrapper, then debugging it with gdb results in seriously
> suboptimal backtraces like this:
> 
> #0  0xb7d01424 in __kernel_vsyscall ()
> #1  0xb7816d11 in ?? ()
> #2  0xb7e973a2 in ?? ()
> #3  0xb7e9784b in ?? ()
> #4  0xb7f1c8fd in ?? ()
> #5  0xb7eeae1b in ?? ()
> #6  0xb7eebee7 in ?? ()
> #7  0xb7e998d9 in ?? ()
> #8  0xb774a7a5 in ?? ()
> #9  0xb7d73011 in ?? ()
> 
> whether or not I have the -dbg package installed.  If I rebuild the
> package without hardening-wrapper, I get a normal backtrace (with more
> or less information, depending on whether the -dbg package is
> installed).

This is probably #346409.

Cheers,
Julien