From: vigneshvg via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: vigneshvg <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PR] avformat/whip: Avoid uninitialized pointer read (PR #21804)
Date: Thu, 19 Feb 2026 19:01:08 -0000
Message-ID: <177152766985.25.14320649682514737982@29965ddac10e> (raw)
PR #21804 opened by vigneshvg
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21804
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21804.patch
Do not try to free the io context if it was never allocated.
Fixes coverity #1665383
Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
>From 98f604e096714cfe22518a7a961541a58cc128bd Mon Sep 17 00:00:00 2001
From: Vignesh Venkat <vigneshv@google.com>
Date: Thu, 19 Feb 2026 10:58:00 -0800
Subject: [PATCH] avformat/whip: Avoid uninitialized pointer read
Do not try to free the io context if it was never allocated.
Fixes coverity #1665383
Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
---
libavformat/whip.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/libavformat/whip.c b/libavformat/whip.c
index 8aed0c31e5..fda5fed40c 100644
--- a/libavformat/whip.c
+++ b/libavformat/whip.c
@@ -892,8 +892,7 @@ static int parse_answer(AVFormatContext *s)
if (!whip->sdp_answer || !strlen(whip->sdp_answer)) {
av_log(whip, AV_LOG_ERROR, "No answer to parse\n");
- ret = AVERROR(EINVAL);
- goto end;
+ return AVERROR(EINVAL);
}
pb = avio_alloc_context(whip->sdp_answer, strlen(whip->sdp_answer), 0, NULL, NULL, NULL, NULL);
--
2.52.0
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