Message ID | 1644230260-31752-1-git-send-email-lance.lmwang@gmail.com |
---|---|
State | Accepted |
Commit | 1de24ee5120b175f38fa42a6b1fbfeeb9f4a50d5 |
Headers | show |
Series | [FFmpeg-devel] avformat/udp: properly check for valid ttl in url | expand |
Context | Check | Description |
---|---|---|
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
andriy/make_ppc | success | Make finished |
andriy/make_fate_ppc | success | Make fate finished |
andriy/make_aarch64_jetson | success | Make finished |
andriy/make_fate_aarch64_jetson | success | Make fate finished |
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);