This fixes undefined behavior
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
imc_decode_level_coefficients2(q, chctx->levlCoeffBuf, chctx->old_floor,
chctx->flcoeffs1, chctx->flcoeffs2);
+ for(i=0; i<BANDS; i++) {
+ if(chctx->flcoeffs1[i] > INT_MAX) {
+ av_log(avctx, AV_LOG_ERROR, "scalefactor out of range\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
memcpy(chctx->old_floor, chctx->flcoeffs1, 32 * sizeof(float));
counter = 0;