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

From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/17512] libbfd/binutils: crashes on fuzzed samples
Date: Thu, 15 Jan 2015 16:24:09 +0000


--- Comment #165 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>:


commit cd21f5daad4335b50366b838664ade64bec29957
Author: Nick Clifton <address@hidden>
Date:   Thu Jan 15 16:22:55 2015 +0000

    Fix memory access violations triggered by running objdump on fuzzed

        PR binutils/17512
        * elf-m10300.c (mn10300_info_to_howto): Replace assertion with an
        error message.  Never return an invalid howto pointer.
        * elf32-cr16.c (cr16_info_to_howto): Likewise.
        * elf32-crx.c (elf_crx_info_to_howto): Likewise.
        * elf32-i370.c (i370_elf_info_to_howto): Likewise.
        * elf32-mcore.c (mcore_elf_info_to_howto): Likewise.
        * elf32-microblaze.c (microblaze_elf_info_to_howto): Likewise.
        * elf32-mips.c (mips_elf32_rtype_to_howto): Likewise.
        * elf32-pj.c (pj_elf_info_to_howto): Likewise.
        * elf32-ppc.c (ppc_elf_info_to_howto): Likewise.
        * elf32-spu.c (spu_elf_info_to_howto): Likewise.
        * elf32-v850.c (v850_elf_info_to_howto_rela): Likewise.
        * elf32-vax.c (rtype_to_howto): Likewise.
        * elf64-alpha.c (elf64_alpha_info_to_howto): Likewise.
        * elf64-mips.c (mips_elf64_rtype_to_howto): Likewise.
        * elfn32-mips.c (sh_elf_info_to_howto): Likewise.
        * elf32-sh.c (sh_elf_info_to_howto): Likewise.
        (sh_elf_reloc): Check that the reloc is in range.
        * reloc.c (bfd_perform_relocation): Check that the section is big
        enough for the entire reloc.
        (bfd_generic_get_relocated_section_contents): Report unexpected
        return values from perform_reloc.

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