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[Bug binutils/24272] An out-of-bounds read occured in pex64_xdata_print_

From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/24272] An out-of-bounds read occured in pex64_xdata_print_uwd_codes()
Date: Fri, 01 Mar 2019 03:02:15 +0000


--- 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>:


commit b24cc4146e4de9f3b66e2e2fb8379db46eff89c9
Author: Alan Modra <address@hidden>
Date:   Fri Mar 1 09:28:47 2019 +1030

    PR24272, out-of-bounds read in pex64_xdata_print_uwd_codes

    The fix here is to use an unsigned comparison for
        if (a->NumberOfRvaAndSizes > IMAGE_NUMBEROF_DIRECTORY_ENTRIES)

        PR 24272
        * coff/internal.h (struct internal_extra_pe_aouthdr): Change type
        of SizeOfCode, SizeOfInitializedData, and SizeOfUninitializedData
        to bfd_vma.  Change type of SectionAlignment, FileAlignment,
        Reserved1, SizeOfImage, SizeOfHeaders, CheckSum, LoaderFlags,
        and NumberOfRvaAndSizes to uint32_t.
        PR 24272
        * peXXigen.c (_bfd_XXi_swap_aouthdr_in): Use unsigned index.
        (_bfd_XX_print_private_bfd_data_common): Adjust for type changes.

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