avio_skip returns file position and overflows int
---
libavformat/asfdec.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 34730b2..9e1f8f6 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -976,7 +976,8 @@ 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, ret;
+ int i;
+ int64_t offset;
uint64_t size = avio_rl64(pb);
// simple index objects should be ordered by stream number, this loop
tries to find
@@ -998,10 +999,10 @@ 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);
- ret = avio_skip(pb, 2);
- if (ret < 0) {
+ offset = avio_skip(pb, 2);
+ if (offset < 0) {
av_log(s, AV_LOG_ERROR, "Skipping failed in
asf_read_simple_index.\n");
- return ret;
+ return offset;
}
if (prev_pkt_num != pkt_num) {
av_add_index_entry(st, asf->first_packet_offset + asf->packet_size
*
--
2.9.3
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