[Bug binutils/17531] readelf crashes on fuzzed samples

[cvs-commit at gcc dot gnu.org]

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

--- Comment #74 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=f3853b34448594744f284fa96f26e41fd533a50d

commit f3853b34448594744f284fa96f26e41fd533a50d
Author: Nick Clifton <address@hidden>
Date:   Wed Feb 4 10:40:05 2015 +0000

    More fixes for memory access violations triggered by running readelf on
fuzzed binaries.

        PR binutils/17531
        * dwarf.c (read_and_display_attr_value): Test for a block length
        being so long that it wraps around to before the start of the block.
        (process_debug_info): Test for section_begin wrapping around to
        before the start of the section.
        (display_gdb_index): Test for num_cus being so large that the end
        address wraps around to before the start of the section.
        (process_cu_tu_index): Test for j being so large that the section
        index pool wraps around to before the start of the section.

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