The loop can be very long, even though the file is very short.
Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
---
libavformat/asfdec_o.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c
index 02809bb..bc168d3 100644
--- a/libavformat/asfdec_o.c
+++ b/libavformat/asfdec_o.c
@@ -970,7 +970,7 @@ static int asf_read_simple_index(AVFormatContext *s, const
GUIDParseTable *g)
uint64_t interval; // index entry time interval in 100 ns units, usually
it's 1s
uint32_t pkt_num, nb_entries;
int32_t prev_pkt_num = -1;
- int i;
+ int i, ret;
uint64_t size = avio_rl64(pb);
// simple index objects should be ordered by stream number, this loop
tries to find
@@ -992,7 +992,11 @@ static int asf_read_simple_index(AVFormatContext *s, const
GUIDParseTable *g)
nb_entries = avio_rl32(pb);
for (i = 0; i < nb_entries; i++) {
pkt_num = avio_rl32(pb);
- avio_skip(pb, 2);
+ ret = avio_skip(pb, 2);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Skipping failed in
asf_read_simple_index.\n");
+ return ret;
+ }
if (prev_pkt_num != pkt_num) {
av_add_index_entry(st, asf->first_packet_offset + asf->packet_size
*
pkt_num, av_rescale(interval, i, 10000),
--
2.6.4
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