gdb and binutils branch master updated. 058037d3a169c91042c9b8549f7d04fd7550bed6

[nickc@sourceware.org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=058037d3a169c91042c9b8549f7d04fd7550bed6

commit 058037d3a169c91042c9b8549f7d04fd7550bed6
Author: Nick Clifton <nickc@redhat.com>
Date:   Mon Dec 22 22:44:34 2014 +0000

    More fixes for invalid memory accesses exposed by fuzzed binaries.
    
    	PR binutils/17531
    	* dwarf.c (decode_location_expression): Check for an out of range
    	value for a DW_OP_GNU_entry_value expression.
    	(display_debug_lines_raw): Check for a partial
    	.debug_line. section being encountered without a prior, full
    	.debug.line section.
    	(display_debug_lines_decoded): Likewise.  Also check for
    	li_line_range being zero.
    	(display_debug_pubnames_worker): Check for an invalid pn_length
    	field.
    	(read_cie): Add range checks.
    	* elfcomm.c (setup_archive): Check for a negative longnames_size.

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

Summary of changes:
 binutils/ChangeLog |   15 +++++++++++
 binutils/dwarf.c   |   70 +++++++++++++++++++++++++++++++++++++++++++---------
 binutils/elfcomm.c |   10 +++++++
 3 files changed, 83 insertions(+), 12 deletions(-)


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