Unverified Commit 06f5ed40 authored by Michael Niedermayer's avatar Michael Niedermayer
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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: default avatarMichael Niedermayer <michael@niedermayer.cc>
parent 58fbeb59
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Showing with 1 addition and 1 deletion
+1 -1
......@@ -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++) {
......
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