len = AV_RB32(buf); buf += 4; cur += 4;
}
if(len > 0) {
+ if (skip <= cur)
+ return -1;
init_get_bits(&ctx->gb, buf, (skip - cur) * 8);
if(tm2_read_deltas(ctx, stream_id) == -1)
return -1;
buf += 4; cur += 4;
buf += 4; cur += 4; /* unused by decoder */
+ if (skip <= cur)
+ return -1;
init_get_bits(&ctx->gb, buf, (skip - cur) * 8);
if(tm2_build_huff_table(ctx, &codes) == -1)
return -1;
ctx->tok_lens[stream_id] = toks;
len = AV_RB32(buf); buf += 4; cur += 4;
if(len > 0) {
+ if (skip <= cur)
+ return -1;
init_get_bits(&ctx->gb, buf, (skip - cur) * 8);
for(i = 0; i < toks; i++) {
if (get_bits_left(&ctx->gb) <= 0) {