Fixes: Timeout
Fixes: 9601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-4550228702134272
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
blk2 = 0;
for (blk = 0; blk < blocks; blk++) {
if (!(blk & 3)) {
+ if (bytestream2_get_bytes_left(&g) < 1) {
+ av_log(c->avctx, AV_LOG_ERROR, "Insufficient data\n");
+ return AVERROR_INVALIDDATA;
+ }
blocktypes = bytestream2_get_byte(&g);
}
switch (blocktypes & 0xC0) {