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| author | Michael Niedermayer <michael@niedermayer.cc> | 2025-07-24 01:05:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2025-07-28 17:41:38 +0200 |
| commit | 1b12e919cfe3bf69038225794330d14575fb78d0 (patch) | |
| tree | 82f7e8f086a8ef645eec3ed9699f82b860664818 /libavformat/mxg.c | |
| parent | a45755e302baf56461bd7d8cf0c3a88c0ee5e83f (diff) | |
| download | ffmpeg-1b12e919cfe3bf69038225794330d14575fb78d0.tar.gz | |
avformat/mxg: clear AV_INPUT_BUFFER_PADDING_SIZE
Fixes: use of uninitialized memory
Fixes: 427532813/clusterfuzz-testcase-minimized-ffmpeg_dem_MXG_fuzzer-5661938917113856
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mxg.c')
| -rw-r--r-- | libavformat/mxg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mxg.c b/libavformat/mxg.c index 6a39873f21..40139d7d3d 100644 --- a/libavformat/mxg.c +++ b/libavformat/mxg.c @@ -127,6 +127,8 @@ static int mxg_update_cache(AVFormatContext *s, unsigned int cache_size) mxg->cache_size += ret; + memset(mxg->buffer_ptr + mxg->cache_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); + return ret; } |