blob: c34a5a6ec956c4266cb5cc284fecfa1dcf1452d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
From f461bbd847f15657f3dd2f317c30c75a7520da1f Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Wed, 14 Jun 2017 17:01:54 +0100
Subject: [PATCH] Fix address violation bug when disassembling a corrupt SH
binary.
PR binutils/21578
* elf32-sh.c (sh_elf_set_mach_from_flags): Fix check for invalid
flag value.
Upstream-Status: Backport
CVE: CVE-2017-9744
Signed-off-by: Armin Kuster <akuster@mvista.com>
---
bfd/ChangeLog | 6 ++++++
bfd/elf32-sh.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
Index: git/bfd/elf32-sh.c
===================================================================
--- git.orig/bfd/elf32-sh.c
+++ git/bfd/elf32-sh.c
@@ -6344,7 +6344,7 @@ sh_elf_set_mach_from_flags (bfd *abfd)
{
flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
- if (flags >= sizeof(sh_ef_bfd_table))
+ if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
return FALSE;
if (sh_ef_bfd_table[flags] == 0)
Index: git/bfd/ChangeLog
===================================================================
--- git.orig/bfd/ChangeLog
+++ git/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-14 Nick Clifton <nickc@redhat.com>
+
+ PR binutils/21578
+ * elf32-sh.c (sh_elf_set_mach_from_flags): Fix check for invalid
+ flag value.
+
2017-04-29 Alan Modra <amodra@gmail.com>
PR 21432
|
