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authorH.J. Lu <hjl.tools@gmail.com>2010-03-18 17:46:19 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-03-18 17:46:19 +0000
commitb115cf96d30141e7694bb322f30644d4667495c6 (patch)
treeacc3f170d761fdad99e08d34b9db5e2f1c7e9b7c /binutils
parent1c40aa62ec258e6d410cbd88754c214d09df0333 (diff)
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Avoid buffer overflow.
2010-03-18 H.J. Lu <hongjiu.lu@intel.com> * readelf.c (decode_arm_unwind): Increase buf size to 9 byte.
Diffstat (limited to 'binutils')
-rw-r--r--binutils/ChangeLog4
-rw-r--r--binutils/readelf.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 506ab55..8058db3 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ * readelf.c (decode_arm_unwind): Increase buf size to 9 byte.
+
2010-03-17 Alan Modra <amodra@gmail.com>
* readelf.c (dump_arm_unwind): Warning fix.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index c76fc17..beaf947 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -6194,10 +6194,10 @@ decode_arm_unwind (struct arm_unw_aux_info *aux,
}
else if (op == 0xb2)
{
- unsigned char buf[5];
+ unsigned char buf[9];
unsigned int i, len;
unsigned long offset;
- for (i = 0; i < 9; i++)
+ for (i = 0; i < sizeof (buf); i++)
{
GET_OP (buf[i]);
if ((buf[i] & 0x80) == 0)