[Bug binutils/17512] segfault in PE parser / _bfd_pei_swap_aouthdr_in

[cvs-commit at gcc dot gnu.org]

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

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=db6b071a97893d5c7bf34e7fb171a0b710ea736d

commit db6b071a97893d5c7bf34e7fb171a0b710ea736d
Author: Nick Clifton <address@hidden>
Date:   Wed Dec 3 19:50:48 2014 +0000

    Fix memory access problems exposed by fuzzed binaries.

        PR binutils/17512
        * objdump.c (free_debug_section): Reset the compress_status as
        well.

        * compress.c (bfd_get_full_section_contents): Fail if there are no
        section contents available when the compress_status is
        COMPRESS_SECTION_DONE.
        * libbfd.c (bfd_malloc): Refuse to allocate a negative size.
        (bfd_malloc2): Use bfd_malloc.
        (bfd_realloc): Refuse to reallocate a negative size.
        (bfd_realloc2): Use bfd_realloc.
        (bfd_realloc_or_free): Use bfd_realloc.
        (bfd_zmalloc): Use bfd_malloc.
        (bfd_zmalloc): Use bfd_malloc2.
        * opncls.c (bfd_alloc): Refuse to allocate a negative size.

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

Summary of changes:
 bfd/ChangeLog      |   15 ++++++
 bfd/compress.c     |    2 +
 bfd/libbfd.c       |  127 +++++++++++----------------------------------------
 bfd/opncls.c       |   14 ++++--
 binutils/ChangeLog |    6 +++
 binutils/objdump.c |    1 +
 6 files changed, 61 insertions(+), 104 deletions(-)

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