From: Limin Wang <lance.lmw...@gmail.com>
Zhao Zhili added a ttl upper bound in commit 9daac85da8,
but the check for ttl in url is missing still.
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavformat/udp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/udp.c b/libavformat/udp.c
index da56c8e..401d9b6 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -674,6 +674,11 @@ static int udp_open(URLContext *h, const char *uri, int
flags)
}
if (av_find_info_tag(buf, sizeof(buf), "ttl", p)) {
s->ttl = strtol(buf, NULL, 10);
+ if (s->ttl < 0 || s->ttl > 255) {
+ av_log(h, AV_LOG_ERROR, "ttl(%d) should be in range
[0,255]\n", s->ttl);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
}
if (av_find_info_tag(buf, sizeof(buf), "udplite_coverage", p)) {
s->udplite_coverage = strtol(buf, NULL, 10);
--
1.8.3.1
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