diff options
author | Michael Niedermayer <[email protected]> | 2023-01-22 00:32:44 +0100 |
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committer | Michael Niedermayer <[email protected]> | 2023-01-28 20:50:01 +0100 |
commit | b95b2c8492fc1b52afd8fbe67b3be3cd518485d6 (patch) | |
tree | adba4b51b65a92fd941a0c3ef6ffb81820dca33f | |
parent | 35f837710caf9cce3e098dbc2ae42f8b12b19828 (diff) |
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 <[email protected]>
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
-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 808a7b8f5b..94f7ae6877 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -243,6 +243,8 @@ 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: |