[Bug binutils/21813] Additional undefined behavior and crashes

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21813

--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_29-branch branch has been updated by Nick Clifton
<address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=deeb3d27c254ad8bf8c3877fa6b61817f56191f5

commit deeb3d27c254ad8bf8c3877fa6b61817f56191f5
Author: Nick Clifton <address@hidden>
Date:   Mon Sep 4 16:31:12 2017 +0100

    Import patch from mainline to fix address violation errors when parsing
corrupt VMS and MACHO binaries.

        PR 21813
        * mach-o.c (bfd_mach_o_canonicalize_relocs): Pass the base address
        of the relocs to the canonicalize_one_reloc routine.
        * mach-o.h (struct bfd_mach_o_backend_data): Update the prototype
        for the _bfd_mach_o_canonicalize_one_reloc field.
        * mach-o-arm.c (bfd_mach_o_arm_canonicalize_one_reloc): Add
        res_base parameter.  Use to check for corrupt pair relocs.
        * mach-o-aarch64.c (bfd_mach_o_arm64_canonicalize_one_reloc):
        Likewise.
        * mach-o-i386.c (bfd_mach_o_i386_canonicalize_one_reloc):
        Likewise.
        * mach-o-x86-64.c (bfd_mach_o_x86_64_canonicalize_one_reloc):
        Likewise.
        * vms-alpha.c (_bfd_vms_slurp_eihd): Make sure that there is
        enough data in the record before attempting to parse it.
        (_bfd_vms_slurp_eeom): Likewise.
        (_bfd_vms_slurp_egsd): Check for an invalid section index.
        (image_set_ptr): Likewise.
        (alpha_vms_slurp_relocs): Likewise.
        (alpha_vms_object_p): Check for a truncated record.

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