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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-22 00:32:44 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-22 01:03:30 +0100 |
| commit | af6919486bfe13800e6b8734575b3fefafe713c6 (patch) | |
| tree | 3bfa0bda9aaf72f7bfb7ce88729fe71da31e0906 | |
| parent | 14da78a8c18c96e73e44048914702f676e55601f (diff) | |
| download | ffmpeg-af6919486bfe13800e6b8734575b3fefafe713c6.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 f78475d0ad..1e448a562b 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -242,6 +242,8 @@ 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: |