https://sourceware.org/bugzilla/show_bug.cgi?id=17531
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=058037d3a169c91042c9b8549f7d04fd7550bed6
commit 058037d3a169c91042c9b8549f7d04fd7550bed6
Author: Nick Clifton <ni...@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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