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=c9c1d674406c5fff9d2f2ea771e4288cb6bf4e5a
commit c9c1d674406c5fff9d2f2ea771e4288cb6bf4e5a
Author: Espen Grindhaug <es...@grindhaug.org>
Date: Thu Nov 27 15:49:23 2014 +0000
Fixes an infinite loop in readelf parsing a corrupt binary, and other minor
corrections.
PR binutils/17531
* readelf.c (get_data): Move excessive length check to earlier on
in the function and allow for wraparound in the arithmetic.
(get_32bit_elf_symbols): Terminate early if the section size is
zero. Check for an invalid sh_entsize. Check for an index
section with an invalid size.
(get_64bit_elf_symbols): Likewise.
(process_section_groups): Check for an invalid sh_entsize.
-----------------------------------------------------------------------
Summary of changes:
binutils/ChangeLog | 12 +++++++
binutils/readelf.c | 88 ++++++++++++++++++++++++++++++++++++++++------------
2 files changed, 80 insertions(+), 20 deletions(-)
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