[FFmpeg-devel] [PATCH 01/18] avradio/sdrdemux: Fix uninitialized access
Michael Niedermayer
michael at niedermayer.cc
Sun Jul 9 00:25:13 EEST 2023
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavradio/sdrdemux.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavradio/sdrdemux.c b/libavradio/sdrdemux.c
index bed74ebd26..3bb5a69cf1 100644
--- a/libavradio/sdrdemux.c
+++ b/libavradio/sdrdemux.c
@@ -1500,9 +1500,11 @@ int avpriv_sdr_common_init(AVFormatContext *s)
SDRStream *sst = st->priv_data;
av_assert0(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO);
sst->frame_size = sdr->width * sdr->height * 4;
- sst->frame_buffer = av_malloc(sst->frame_size * 2);
+ sst->frame_buffer = av_mallocz(sst->frame_size * 2);
if (!sst->frame_buffer)
return AVERROR(ENOMEM);
+ for(int i = 3; i<sst->frame_size * 2; i+=4)
+ sst->frame_buffer[i] = 255;
}
sdr->pts = 0;
--
2.31.1
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