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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-12-30 03:06:39 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-12-30 21:50:04 +0100 |
| commit | a066b8a809fa6d8b31398d41787822803f8762f2 (patch) | |
| tree | b71173cc41ae652c8fae1c450d64c0f97440c88c | |
| parent | 68146f06f852078866b3ef1564556e3a272920c7 (diff) | |
avcodec/mpegvideo_enc: Dont copy beyond the image
Fixes: out of array access
Fixes: tickets/10754/poc17ffmpeg
Discovered by Zeng Yunxiang.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mpegvideo_enc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index dcbf4c0429..b369c3c735 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -1212,7 +1212,7 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg) dst += INPLACE_OFFSET; if (src_stride == dst_stride) - memcpy(dst, src, src_stride * h); + memcpy(dst, src, src_stride * h - src_stride + w); else { int h2 = h; uint8_t *dst2 = dst; |