---
libavformat/rtmpproto.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index 1341cd7..c130b2b 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -1033,7 +1033,11 @@ static int handle_invoke(URLContext *s, RTMPPacket *pkt)
const uint8_t *data_end = pkt->data + pkt->data_size;
int ret;
- //TODO: check for the messages sent for wrong state?
+ if (pkt->data[0] != AMF_DATA_TYPE_STRING) {
+ av_log(s, AV_LOG_ERROR, "No string method found in invoke packet\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if (!memcmp(pkt->data, "\002\000\006_error", 9)) {
uint8_t tmpstr[256];
--
1.7.11.1
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