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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-11 19:39:38 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-03-16 14:48:38 +0100 |
| commit | 44c1e6ed2cc2b577cb98a0092e61072aa4ae0820 (patch) | |
| tree | 7fe9ec82c4ef5bac49a703a094489e68179d52bd | |
| parent | 86a50643abac69e06f50d6bb2b93ace7e7c22b56 (diff) | |
| download | ffmpeg-44c1e6ed2cc2b577cb98a0092e61072aa4ae0820.tar.gz | |
avcodec/utils: Ensure linesize for SVQ3
Fixes: Assertion block_w * sizeof(uint8_t) <= ((buf_linesize) >= 0 ? (buf_linesize) : (-(buf_linesize))
Fixes: 54861/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-5352418248622080
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 4eef658ca59d3d6ba46ab52a36d7faf5fe820874)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 9249c46bee..ef5c785ced 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -336,6 +336,9 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, // the next rounded up width is 32 *width = FFMAX(*width, 32); } + if (s->codec_id == AV_CODEC_ID_SVQ3) { + *width = FFMAX(*width, 32); + } for (i = 0; i < 4; i++) linesize_align[i] = STRIDE_ALIGN; |