We do not support larger tiles as we use signed int Alternatively we can check this in apv_decode_tile_component() or init_get_bits*() or support bitstreams above 2gb length
Fixes: init_get_bits() failure later Fixes: 421817631/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APV_fuzzer-4957386534354944 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cbs_apv_syntax_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cbs_apv_syntax_template.c b/libavcodec/cbs_apv_syntax_template.c index fc8a08ff31d..6534236deef 100644 --- a/libavcodec/cbs_apv_syntax_template.c +++ b/libavcodec/cbs_apv_syntax_template.c @@ -261,7 +261,7 @@ static int FUNC(frame)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(frame_header)(ctx, rw, ¤t->frame_header)); for (int t = 0; t < priv->tile_info.num_tiles; t++) { - us(32, tile_size[t], 10, MAX_UINT_BITS(32), 1, t); + us(32, tile_size[t], 10, MAX_INT_BITS(32), 1, t); CHECK(FUNC(tile)(ctx, rw, ¤t->tile[t], t, current->tile_size[t])); -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
