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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-22 00:32:44 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-07 23:40:41 +0200 |
| commit | 8478879af61eb529f1f4d38964e39541a0a94e3a (patch) | |
| tree | a115f4de9f49f85c7bfb3a67d43baf8513130773 | |
| parent | e243076b32b5c2fd3bf17e9f85805142e133836e (diff) | |
| download | ffmpeg-8478879af61eb529f1f4d38964e39541a0a94e3a.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 825094d2f3..9d17090b4d 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -236,6 +236,8 @@ 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: |