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[FFmpeg-devel,1/2] avcodec/cfhdenc: Clear dwt_tmp

Message ID 20240807235333.2148870-1-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,1/2] avcodec/cfhdenc: Clear dwt_tmp | expand

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Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 success Make fate finished

Commit Message

Michael Niedermayer Aug. 7, 2024, 11:53 p.m. UTC
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(-)
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Patch

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);