break; \
case 2: \
idx = (bytestream2_get_byte(gbc) + 2) * x; \
+ if (idx > pos) { \
+ av_log(avctx, AV_LOG_ERROR, "idx %d > %d\n", idx, pos); \
+ return AVERROR_INVALIDDATA; \
+ } \
break; \
case 3: \
idx = (bytestream2_get_le16(gbc) + 0x102) * x; \
+ if (idx > pos) { \
+ av_log(avctx, AV_LOG_ERROR, "idx %d > %d\n", idx, pos); \
+ return AVERROR_INVALIDDATA; \
+ } \
break; \
} \
} while(0)
case 2:
/* Copy two dwords from a previous index */
idx = 8 + bytestream2_get_le16(gbc);
+ if (idx > pos) {
+ av_log(avctx, AV_LOG_ERROR, "idx %d > %d\n", idx, pos);
+ return AVERROR_INVALIDDATA;
+ }
prev = AV_RL32(ctx->tex_data + 4 * (pos - idx));
AV_WL32(ctx->tex_data + 4 * pos, prev);
pos++;