[PATCH] elf: Don't read beyond .eh_frame section end

H.J. Lu hjl.tools@gmail.com
Wed Oct 1 02:09:01 GMT 2025


On Wed, Oct 1, 2025 at 7:25 AM Alan Modra <amodra@gmail.com> wrote:
>
> On Wed, Oct 01, 2025 at 08:15:52AM +0930, Alan Modra wrote:
> > On Tue, Sep 30, 2025 at 10:34:08AM +0800, H.J. Lu wrote:
> > > PR ld/33500
> > > * elf-eh-frame.c (_bfd_elf_parse_eh_frame): Don't read beyond
> > > the .eh_frame section end.
> >
> > OK.
>
> Actually, I think you should be using
>           REQUIRE (buf + 1 < end);
> since buf[1] is accessed just below.
>
> --
> Alan Modra

Updated and pushed.

Thanks.

-- 
H.J.


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