[Bug binutils/22893] heap buffer overflow in bfd_getl32

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=22893

--- Comment #5 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=12c963421d045a127c413a0722062b9932c50aa9

commit 12c963421d045a127c413a0722062b9932c50aa9
Author: Nick Clifton <address@hidden>
Date:   Wed Feb 28 11:50:49 2018 +0000

    Catch integer overflows/underflows when parsing corrupt DWARF FORM blocks.

        PR 22895
        PR 22893
        * dwarf2.c (read_n_bytes): Replace size parameter with dwarf_block
        pointer.  Drop unused abfd parameter.  Check the size of the block
        before initialising the data field.  Return the end pointer if the
        size is invalid.
        (read_attribute_value): Adjust invocations of read_n_bytes.

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