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Avoid buffer overflow.

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2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	* readelf.c (decode_arm_unwind): Increase buf size to 9 byte.
This commit is contained in:
H.J. Lu 2010-03-18 17:46:19 +00:00
parent 1c40aa62ec
commit b115cf96d3
2 changed files with 6 additions and 2 deletions
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4
binutils/ChangeLog
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@ -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> 2010-03-17 Alan Modra <amodra@gmail.com>
* readelf.c (dump_arm_unwind): Warning fix. * readelf.c (dump_arm_unwind): Warning fix.

4
binutils/readelf.c
View file

@ -6194,10 +6194,10 @@ decode_arm_unwind (struct arm_unw_aux_info *aux,
} }
else if (op == 0xb2) else if (op == 0xb2)
{ {
unsigned char buf[5]; unsigned char buf[9];
unsigned int i, len; unsigned int i, len;
unsigned long offset; unsigned long offset;
for (i = 0; i < 9; i++) for (i = 0; i < sizeof (buf); i++)
{ {
GET_OP (buf[i]); GET_OP (buf[i]);
if ((buf[i] & 0x80) == 0) if ((buf[i] & 0x80) == 0)