[Bug binutils/21916] Null-Deref and OOB Read in ELF Parsing

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21916

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Nick Clifton <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=24d3e51bf0612c6cf5e9a824b982e7ed38e741c8

commit 24d3e51bf0612c6cf5e9a824b982e7ed38e741c8
Author: Nick Clifton <address@hidden>
Date:   Tue Aug 8 13:20:02 2017 +0100

    Fix address violation problems when parsing corrupt ELF binaries.

        PR 21916
        * elf-attrs.c (_bfd_elf_parse_attributes): Complain about very
        small section lengths.
        * elf.c (_bfd_elf_setup_sections): Skip empty entries in the group
        table.
        (elfcore_grok_freebsd_prstatus): Add checks to make sure that
        there is enough data present in the note.

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