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[Bug binutils/31692] objdump fails .debug_info size check for compressed


From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/31692] objdump fails .debug_info size check for compressed debug information
Date: Fri, 10 May 2024 13:47:27 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=31692

--- Comment #4 from Sourceware Commits <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=ad658482c1e4feec4ac99c8e7df17ff78d0c2996

commit ad658482c1e4feec4ac99c8e7df17ff78d0c2996
Author: Alan Modra <amodra@gmail.com>
Date:   Fri May 10 22:15:06 2024 +0930

    Re: PR31692, objdump fails .debug_info size check

    The fuzzers found a hole.  bfd_section_size_insane doesn't check
    !SEC_HAS_CONTENTS sections against file size for obvious reasons,
    which allows fuzzed debug sections to be stupidly large.  Real debug
    sections of course always have contents.

            PR 31692
            * objdump.c (load_specific_debug_section): Don't allow sections
            without contents.

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