[PATCH] strings: Produce error when section data falls outside file.
Mark Wielaard
mark at klomp.org
Mon Jan 12 21:11:55 UTC 2015
On Mon, 2014-12-29 at 01:15 +0300, Alexander Cherepanov wrote:
> On 2014-12-27 14:42, Mark Wielaard wrote:
> > On Sat, Dec 27, 2014 at 04:31:14AM +0300, Alexander Cherepanov wrote:
> >> strings.c: In function 'read_elf':
> >> strings.c:729:24: error: comparison between signed and unsigned integer
> >> expressions [-Werror=sign-compare]
> >> if (shdr->sh_offset > fdlen
> >
> > The compiler is correct. sh_offset is an unsigned Elf64_Off and fdlen is
> > a signed off64_t. But just before we already checked fdlen >= 0, so we
>
> I see.
>
> > can just cast it to Elf64_Off safely for this comparison. As attached.
>
> Thanks, mjw/pending is compiling fine now.
Thanks for double checking. I pushed that patch to master now.
More information about the elfutils-devel
mailing list