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diff -ru libvorbis-1.3.5.orig/lib/info.c libvorbis-1.3.5/lib/info.c
--- libvorbis-1.3.5.orig/lib/info.c 2015-02-26 22:58:19.000000000 +0100
+++ libvorbis-1.3.5/lib/info.c 2018-02-27 16:47:27.373883142 +0100
@@ -583,7 +583,8 @@
oggpack_buffer opb;
private_state *b=v->backend_state;
- if(!b||vi->channels<=0){
+ if(!b||vi->channels<=0||vi->channels>256){
+ b = NULL;
ret=OV_EFAULT;
goto err_out;
}
diff -ru libvorbis-1.3.5.orig/lib/psy.c libvorbis-1.3.5/lib/psy.c
--- libvorbis-1.3.5.orig/lib/psy.c 2013-11-12 05:01:54.000000000 +0100
+++ libvorbis-1.3.5/lib/psy.c 2018-02-27 16:47:58.285637422 +0100
@@ -600,7 +600,7 @@
XY[i] = tXY;
}
- for (i = 0, x = 0.f;; i++, x += 1.f) {
+ for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
if( lo>=0 ) break;
@@ -622,12 +622,11 @@
noise[i] = R - offset;
}
- for ( ;; i++, x += 1.f) {
+ for ( ; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
hi = b[i] & 0xffff;
if(hi>=n)break;
-
tN = N[hi] - N[lo];
tX = X[hi] - X[lo];
tXX = XX[hi] - XX[lo];
@@ -652,7 +651,7 @@
if (fixed <= 0) return;
- for (i = 0, x = 0.f;; i++, x += 1.f) {
+ for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
if(lo>=0)break;
@@ -671,7 +670,7 @@
if (R - offset < noise[i]) noise[i] = R - offset;
}
- for ( ;; i++, x += 1.f) {
+ for ( ; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
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