Sourceware Bugzilla – Attachment 7968 Details for
Bug 17531
readelf crashes on fuzzed samples
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[patch]
Possible fix for problem in comment #40
0001-Possible-fix-for-problem-in-comment-40.patch (text/plain), 860 bytes, created by
Espen Grindhaug
on 2014-11-23 18:06:17 UTC
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Description:
Possible fix for problem in comment #40
Filename:
MIME Type:
Creator:
Espen Grindhaug
Created:
2014-11-23 18:06:17 UTC
Size:
860 bytes
patch
obsolete
>From 491b39773edc27c0cdeea86fb889f9a14e23fe17 Mon Sep 17 00:00:00 2001 >From: Espen Grindhaug <egrindha@cisco.com> >Date: Sun, 23 Nov 2014 19:05:40 +0100 >Subject: [PATCH] Possible fix for problem in comment #40 > >--- > binutils/readelf.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > >diff --git a/binutils/readelf.c b/binutils/readelf.c >index 14669c4..02cc43b 100644 >--- a/binutils/readelf.c >+++ b/binutils/readelf.c >@@ -5160,7 +5160,8 @@ process_section_headers (FILE * file) > { > section = section_headers + elf_header.e_shstrndx; > >- if (section->sh_size != 0) >+ /* PR17531: file: 2917-12673-0.004 */ >+ if (section->sh_size != 0 && section->sh_size < elf_header.e_shentsize) > { > string_table = (char *) get_data (NULL, file, section->sh_offset, > 1, section->sh_size, >-- >2.1.0 >
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