https://sourceware.org/bugzilla/show_bug.cgi?id=17531
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=071436c6e94be13904438b6eb70ee79c73354a61
commit 071436c6e94be13904438b6eb70ee79c73354a61
Author: Nick Clifton <ni...@redhat.com>
Date: Fri Nov 7 13:39:45 2014 +0000
Add more fixes for inavlid memory accesses triggered by corrupt files.
PR binutils/17531
* readelf.c (get_data): Avoid allocating memory when we know that
the read will fail.
(find_section_by_type): New function.
(get_unwind_section_word): Check for invalid symbol indicies.
Check for invalid reloc types.
(get_32bit_dynamic_section): Add range checks.
(get_64bit_dynamic_section): Add range checks.
(process_dynamic_section): Check for a corrupt time value.
(process_symbol_table): Add range checks.
(dump_section_as_strings): Add string length range checks.
(display_tag_value): Likewise.
(display_arm_attribute): Likewise.
(display_gnu_attribute): Likewise.
(display_tic6x_attribute): Likewise.
(display_msp430x_attribute): Likewise.
(process_mips_specific): Add range check.
-----------------------------------------------------------------------
Summary of changes:
binutils/ChangeLog | 20 ++++
binutils/readelf.c | 297 ++++++++++++++++++++++++++++++++++++----------------
2 files changed, 226 insertions(+), 91 deletions(-)
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