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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-22 00:32:44 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-15 22:38:04 +0200 |
| commit | 4c9ba64d5468ced00c4bfaf795bb31397b16fdf3 (patch) | |
| tree | 41db3ff13e4ae8e25f2dc44de769fb00325563df | |
| parent | b3534598203c54b2b556275029468277dfe22241 (diff) | |
| download | ffmpeg-4c9ba64d5468ced00c4bfaf795bb31397b16fdf3.tar.gz | |
avcodec/utils: use 32pixel alignment for bink
bink supports 16x16 blocks in chroma planes thus we need to allocate enough.
Fixes: out of array access
Fixes: 55026/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-6013915371012096
Reviewed-by: Peter Ross <pross@xvid.org>
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b95b2c8492fc1b52afd8fbe67b3be3cd518485d6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 3e4fbc9d56..9054c6c9a0 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -256,6 +256,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, case AV_PIX_FMT_GBRAP16BE: w_align = 16; //FIXME assume 16 pixel per macroblock h_align = 16 * 2; // interlaced needs 2 macroblocks height + if (s->codec_id == AV_CODEC_ID_BINKVIDEO) + w_align = 16*2; break; case AV_PIX_FMT_YUV411P: case AV_PIX_FMT_YUVJ411P: |