From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/cfhdenc: Clear dwt_tmp
Date: Thu, 8 Aug 2024 01:53:32 +0200
Message-ID: <20240807235333.2148870-1-michael@niedermayer.cc> (raw)
This occurs on a 32x32 input
Fixes: use of uninitialized value
Fixes: 70897/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5960860961406976
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/cfhdenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/cfhdenc.c b/libavcodec/cfhdenc.c
index 7084509f6e1..98554187c1b 100644
--- a/libavcodec/cfhdenc.c
+++ b/libavcodec/cfhdenc.c
@@ -285,7 +285,7 @@ static av_cold int cfhd_encode_init(AVCodecContext *avctx)
s->plane[i].dwt_buf =
av_calloc(h8 * 8 * w8 * 8, sizeof(*s->plane[i].dwt_buf));
s->plane[i].dwt_tmp =
- av_malloc_array(h8 * 8 * w8 * 8, sizeof(*s->plane[i].dwt_tmp));
+ av_calloc(h8 * 8 * w8 * 8, sizeof(*s->plane[i].dwt_tmp));
if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp)
return AVERROR(ENOMEM);
--
2.45.2
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next reply other threads:[~2024-08-07 23:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-07 23:53 Michael Niedermayer [this message]
2024-08-07 23:53 ` [FFmpeg-devel] [PATCH 2/2] avcodec/cbs_vp9: Try to store fewer than 2 things in the same bit Michael Niedermayer
2024-08-11 18:05 ` Mark Thompson
2024-08-11 18:17 ` [FFmpeg-devel] [PATCH] cbs_vp9: Ensure that the two superframe_header instances are identical Mark Thompson
2024-08-12 19:43 ` Michael Niedermayer
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