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=53774b7e76dc5b3e8cc00d6f7a9d27e6c65830a9
commit 53774b7e76dc5b3e8cc00d6f7a9d27e6c65830a9
Author: Nick Clifton <ni...@redhat.com>
Date: Mon Dec 8 17:51:46 2014 +0000
More fixes for invalid memory accesses triggered by fuzzed binaries.
PR binutils/17531
* dwarf.c (display_debug_frames): Check for a negative
augmentation data length.
(display_gdb_index): Check for invalid offsets.
* elfcomm.c (process_archive_index_and_symbols): Check for an
index number that overflows when multiplied by the ar index size.
* readelf.c (dump_ia64_unwind): Add range checks.
(slurp_ia64_unwind_table): Change to a boolean function. Add
range checks.
(process_version_sections): Add range checks.
(get_symbol_version_string): Add check for missing section
headers.
-----------------------------------------------------------------------
Summary of changes:
binutils/ChangeLog | 15 +++++++++++
binutils/dwarf.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++---
binutils/elfcomm.c | 6 +++-
binutils/readelf.c | 72 +++++++++++++++++++++++++++++++++++++++-------------
4 files changed, 139 insertions(+), 24 deletions(-)
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