uint64_t num;
uint64_t total;
n = matroska_ebmlnum_uint(matroska, data, size, &num);
- if (n < 0) {
+ if (n < 0 || num > INT_MAX) {
av_log(matroska->ctx, AV_LOG_INFO,
"EBML block data error\n");
- res = n;
+ res = n<0 ? n : AVERROR_INVALIDDATA;
break;
}
data += n;
int64_t snum;
int r;
r = matroska_ebmlnum_sint(matroska, data, size, &snum);
- if (r < 0) {
+ if (r < 0 || lace_size[n - 1] + snum > (uint64_t)INT_MAX) {
av_log(matroska->ctx, AV_LOG_INFO,
"EBML block data error\n");
- res = r;
+ res = r<0 ? r : AVERROR_INVALIDDATA;
break;
}
data += r;