MT#55283 fix array out of bounds access

The PT index can be -1 or -2. Ignore RTP stats in this case. fixes #1814 Change-Id: Ifdcdbccad592fd1a27d2b31359861ecb3e725546 (cherry picked from commit ee162f4889)
2 years ago · 9a73123867
parent 7d7de30495
commit 9a73123867
1 changed files with 1 additions and 1 deletions
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@ -5442,7 +5442,7 @@ static unsigned int rtpengine46(struct sk_buff *skb, struct sk_buff *oskb,

 		skb_trim(skb, rtp.header_len + rtp.payload_len);

-		if (g->target.rtp_stats && ssrc_idx != -1)
+		if (g->target.rtp_stats && ssrc_idx != -1 && rtp_pt_idx >= 0)
 			rtp_stats(g, &rtp, ktime_to_us(skb->tstamp), rtp_pt_idx, ssrc_idx);

 		DBG("packet payload decrypted as %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x...\n",