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(Fwd) wrong expected section attributes for .interp

H. J. Lu hjl@lucon.org
Mon Oct 20 16:12:00 GMT 2003 
Send me a complete testcase. I will fix it.


H.J.
On Sat, Oct 18, 2003 at 12:28:55PM +0200, pageexec@freemail.hu wrote:
> hello,
> 
> i'm not sure if you read this mail, i'm resending it in just in case.
> 
> ------- Forwarded message follows -------
> From:           	Self <pageexec@freemail.hu>
> To:             	hjl@gnu.org
> Subject:        	wrong expected section attributes for .interp
> Copies to:      	pappy@gentoo.org, solar@gentoo.org
> Send reply to:  	pageexec@freemail.hu
> Date sent:      	Sat, 20 Sep 2003 12:54:26 +0200
> 
> hello,
> 
> while working on Hardened Gentoo and position independent
> executable support we ran into an apparent bug in bfd.
> here:
> 
>  http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/bfd/elf.c?rev=1.192&content-type=text/x-cvsweb-markup&cvsroot=src
> 
> you committed a change that defines expected section
> attributes for a select set of hardcoded section names.
> the bug we found is the .interp entry which should have
> SHF_ALLOC instead of 0, otherwise you will either get
> a warning (if you compile glibc which produces an .interp
> section from C and marks it with "a") or an invalid output
> (when you produce the .interp from assembly and don't mark
> it allocatable) because the resulting executable will not
> have a PT_INTERP segment. so the fix is easy and we would
> appreciate if it went into bfd/binutils before 2.15 ships.
> 
> thanks in advance,
> 
>     PaX Team
> ------- End of forwarded message -------
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