[Bug binutils/25823] Use after free in bfd_hash_lookup(), as demonstrated by nm-new

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25823

--- Comment #3 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=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a

commit 7ecb51549ab1ec22aba5aaf34b70323cf0b8509a
Author: Alan Modra <address@hidden>
Date:   Wed Apr 15 18:58:11 2020 +0930

    PR25823, Use after free in bfd_hash_lookup

            PR 25823
            * peXXigen.c (_bfd_XXi_swap_sym_in <C_SECTION>): Don't use a
            pointer into strings that may be freed for section name, always
            allocate a new string.

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