diff -r b8f1c62354df -r 246b98b59979 mozilla-bmo1446062.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-bmo1446062.patch	Tue Mar 27 08:29:31 2018 +0200
@@ -0,0 +1,116 @@
+
+# HG changeset patch
+# User Thomas Daede <daede003@umn.edu>
+# Date 1521175629 25200
+# Node ID 5cd5586a2f48424a9031a3fa4c782954a9df9a52
+# Parent  494e5d5278ba6f5fdda9a2bb9ac7ca772653ee4a
+Bug 1446062: libtremor Vorbis fix.  r=jmspeex  a=dveditz
+
+diff --git a/media/libtremor/lib/tremor_codebook.c b/media/libtremor/lib/tremor_codebook.c
+--- a/media/libtremor/lib/tremor_codebook.c
++++ b/media/libtremor/lib/tremor_codebook.c
+@@ -253,26 +253,26 @@ long vorbis_book_decodevs_add(codebook *
+     
+     if(shift>=0){
+       for (i = 0; i < step; i++) {
+ 	entry[i]=decode_packed_entry_number(book,b);
+ 	if(entry[i]==-1)return(-1);
+ 	t[i] = book->valuelist+entry[i]*book->dim;
+       }
+       for(i=0,o=0;i<book->dim;i++,o+=step)
+-	for (j=0;j<step;j++)
++	for (j=0;o+j<n && j<step;j++)
+ 	  a[o+j]+=t[j][i]>>shift;
+     }else{
+       for (i = 0; i < step; i++) {
+ 	entry[i]=decode_packed_entry_number(book,b);
+ 	if(entry[i]==-1)return(-1);
+ 	t[i] = book->valuelist+entry[i]*book->dim;
+       }
+       for(i=0,o=0;i<book->dim;i++,o+=step)
+-	for (j=0;j<step;j++)
++	for (j=0;o+j<n && j<step;j++)
+ 	  a[o+j]+=t[j][i]<<-shift;
+     }
+   }
+   return(0);
+ }
+ 
+ /* decode vector / dim granularity gaurding is done in the upper layer */
+ long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a,
+@@ -282,25 +282,25 @@ long vorbis_book_decodev_add(codebook *b
+     ogg_int32_t *t;
+     int shift=point-book->binarypoint;
+     
+     if(shift>=0){
+       for(i=0;i<n;){
+ 	entry = decode_packed_entry_number(book,b);
+ 	if(entry==-1)return(-1);
+ 	t     = book->valuelist+entry*book->dim;
+-	for (j=0;j<book->dim;)
++	for (j=0;i<n && j<book->dim;)
+ 	  a[i++]+=t[j++]>>shift;
+       }
+     }else{
+       for(i=0;i<n;){
+ 	entry = decode_packed_entry_number(book,b);
+ 	if(entry==-1)return(-1);
+ 	t     = book->valuelist+entry*book->dim;
+-	for (j=0;j<book->dim;)
++	for (j=0;i<n && j<book->dim;)
+ 	  a[i++]+=t[j++]<<-shift;
+       }
+     }
+   }
+   return(0);
+ }
+ 
+ /* unlike the others, we guard against n not being an integer number
+@@ -347,41 +347,41 @@ long vorbis_book_decodev_set(codebook *b
+ /* decode vector / dim granularity gaurding is done in the upper layer */
+ long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a,\
+ 			      long offset,int ch,
+ 			      oggpack_buffer *b,int n,int point){
+   if(book->used_entries>0){
+     long i,j,entry;
+     int chptr=0;
+     int shift=point-book->binarypoint;
+-    
++    int m=offset+n;
+     if(shift>=0){
+       
+-      for(i=offset;i<offset+n;){
++      for(i=offset;i<m;){
+ 	entry = decode_packed_entry_number(book,b);
+ 	if(entry==-1)return(-1);
+ 	{
+ 	  const ogg_int32_t *t = book->valuelist+entry*book->dim;
+-	  for (j=0;j<book->dim;j++){
++	  for (j=0;i<m && j<book->dim;j++){
+ 	    a[chptr++][i]+=t[j]>>shift;
+ 	    if(chptr==ch){
+ 	      chptr=0;
+ 	      i++;
+ 	    }
+ 	  }
+ 	}
+       }
+     }else{
+       
+-      for(i=offset;i<offset+n;){
++      for(i=offset;i<m;){
+ 	entry = decode_packed_entry_number(book,b);
+ 	if(entry==-1)return(-1);
+ 	{
+ 	  const ogg_int32_t *t = book->valuelist+entry*book->dim;
+-	  for (j=0;j<book->dim;j++){
++	  for (j=0;i<m && j<book->dim;j++){
+ 	    a[chptr++][i]+=t[j]<<-shift;
+ 	    if(chptr==ch){
+ 	      chptr=0;
+ 	      i++;
+ 	    }
+ 	  }
+ 	}
+       }
+