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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-31 21:43:39 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-08-01 00:18:02 +0200 |
| commit | 06f5ed40f8fceb2542add052c57608121eda2f41 (patch) | |
| tree | 89bf1e8629e1a1cb955512eed60c3adc0fe31ca2 | |
| parent | 58fbeb59e74ac9a4ca81e9bc44141abcbff8ab6d (diff) | |
| download | ffmpeg-06f5ed40f8fceb2542add052c57608121eda2f41.tar.gz | |
avcodec/snow: Fix off by 1 error in run_buffer
Fixes: out of array access
Fixes: 70741/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5703668010647552
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/snow.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/snow.c b/libavcodec/snow.c index 0285362d43..af6214d077 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -428,7 +428,7 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){ !FF_ALLOCZ_TYPED_ARRAY(s->spatial_dwt_buffer, width * height) || //FIXME this does not belong here !FF_ALLOCZ_TYPED_ARRAY(s->temp_dwt_buffer, width) || !FF_ALLOCZ_TYPED_ARRAY(s->temp_idwt_buffer, width) || - !FF_ALLOCZ_TYPED_ARRAY(s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1))) + !FF_ALLOCZ_TYPED_ARRAY(s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1) + 1)) return AVERROR(ENOMEM); for(i=0; i<MAX_REF_FRAMES; i++) { |