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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-10 19:09:47 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-12 01:00:28 +0200 |
| commit | 1ac106bf5625de6aec31a34319298032e988f349 (patch) | |
| tree | be84d093dc74330d351d9dfb95f0d55c10c7a22f | |
| parent | fabeef22d9793a834dba4cee5aafbf0494b9ce4f (diff) | |
| download | ffmpeg-1ac106bf5625de6aec31a34319298032e988f349.tar.gz | |
avcodec/nuv: widen buf_size type
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5740176118906880
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/nuv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c index 7958000ae8..3ceaaac4e9 100644 --- a/libavcodec/nuv.c +++ b/libavcodec/nuv.c @@ -126,7 +126,7 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height, get_quant_quality(c, quality); if (width != c->width || height != c->height) { // also reserve space for a possible additional header - int buf_size = height * width * 3 / 2 + int64_t buf_size = height * (int64_t)width * 3 / 2 + FFMAX(AV_LZO_OUTPUT_PADDING, AV_INPUT_BUFFER_PADDING_SIZE) + RTJPEG_HEADER_SIZE; if (buf_size > INT_MAX/8) |