[Bug binutils/17512] libbfd/binutils: crashes on fuzzed samples

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17512

--- Comment #183 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=877a8638ba563c667eb5358240334c473d0573a1

commit 877a8638ba563c667eb5358240334c473d0573a1
Author: Nick Clifton <address@hidden>
Date:   Tue Jan 27 15:49:12 2015 +0000

    Fixes for memory access violations triggered by running addr2line on fuzzed
binaries.

        PR binutils/17512
        * addr2line.c (slurp_symtab): If the symcount is zero, free the
        symbol table pointer.

        * dwarf2.c (concat_filename): Check for an empty directory table.
        (scan_unit_for_symbols): Check for reading off the end of the
        unit.
        (parse_comp_unit): Check for a DW_AT_comp_dir attribute with a
        non-string form.
        * elf64-ppc.c (opd_entry_value): Fail if there are no relocs
        available.

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