[Bug binutils/17531] readelf -a crashes on fuzzed samples

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17531

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3102e897eeda28961a32826095befef5c4a74097

commit 3102e897eeda28961a32826095befef5c4a74097
Author: Nick Clifton <address@hidden>
Date:   Thu Nov 13 10:45:50 2014 +0000

    More fixes for readelf problems reading corrupt files.

        PR binutils/17531
        * readelf.c (process_version_sections): If the read of the version
        def information fails, make sure that the external verdef data is
        not used.
        (get_dynamic_data): Do not attempt to allocate memory for more
        dynamic data than there is in the file.  If the read fails, free
        the allocated buffer.
        (process_symbol_table): Do not print dynamic information if we
        were unable to read the dynamic symbol table.
        (print_gnu_note): Do not print the note if the descsz is too
        small.

-----------------------------------------------------------------------

Summary of changes:
 binutils/ChangeLog |   14 ++++++++++++++
 binutils/readelf.c |   30 ++++++++++++++++++++++++++----
 2 files changed, 40 insertions(+), 4 deletions(-)

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