[Bug binutils/21994] Hang in process_version_sections with ent.vd_next = 0 and aux.vda_next = 0

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21994

--- 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 <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1445030f313d9b251a6a27c8bdf52197520396e2

commit 1445030f313d9b251a6a27c8bdf52197520396e2
Author: Alan Modra <address@hidden>
Date:   Fri Aug 25 11:41:06 2017 +0930

    PR21994, readelf looping on verdefs

        PR 21994
        * readelf.c (process_version_sections <SHT_GNU_verdef>): Check
        vd_aux and vda_next for sanity.  Delete "end".  Correct overflow
        checks.
        (process_version_sections <SHT_GNU_verneed>): Correct overflow
        check.  Don't report invalid vna_next on overflow.  Do report
        invalid vna_next on size less than aux info.

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