Author: spyfeng
Date: Fri May 21 18:31:27 2010
New Revision: 5809
Log:
add check in case of infinite loop.
Modified:
mms/mmst.c
Modified: mms/mmst.c
==============================================================================
--- mms/mmst.c Fri May 21 18:26:51 2010 (r5808)
+++ mms/mmst.c Fri May 21 18:31:27 2010 (r5809)
@@ -431,6 +431,10 @@ static int asf_header_parser(MMSContext
p += sizeof(ff_asf_guid) + 14;
while(end - p >= sizeof(ff_asf_guid) + 8) {
uint64_t chunksize = AV_RL64(p + sizeof(ff_asf_guid));
+ if (!chunksize) {
+ dprintf("chunksize is zero!\n");
+ return -1;
+ }
dprintf("chunksize is %d\n", chunksize);
if (chunksize > end - p)
return -1;
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