[Bug binutils/27291] False results/ misinformation, unpredictable behavior and potential crash through Integer Overflow in bfd_get_section_contents()

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27291

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6db658c517bdfbf8e5b8c5a34caf3ff1eea332f1

commit 6db658c517bdfbf8e5b8c5a34caf3ff1eea332f1
Author: Alan Modra <amodra@gmail.com>
Date:   Thu Feb 11 09:53:17 2021 +1030

    PR27291, integer overflow in bfd_get_section_contents

    Makes the code a little more elegant too.  Note that the unsigned
    overflow reported here is well defined so this patch doesn't fix any
    real problem.

            PR 27291
            * section.c (bfd_get_section_contents): Avoid possible overflow
            when range checking offset and count.
            (bfd_set_section_contents): Likewise.

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