code: plan9front

Download patch

ref: c789c054808dc3984abfb0d6b7de6d12e66471c2
parent: ce82f6750c5d98968259b80614643ed63b972ea3
author: Sigrid <ftrvxmtrx@gmail.com>
date: Mon Jan 11 10:17:48 EST 2021

libvorbis: fix free() called on a wrong pointer

--- a/sys/src/cmd/audio/libvorbis/mdct.c
+++ b/sys/src/cmd/audio/libvorbis/mdct.c
@@ -495,7 +495,7 @@
   int n4=n>>2;
   int n8=n>>3;
   DATA_TYPE *w=malloc(n*sizeof(*w)); /* forward needs working space */
-  DATA_TYPE *w2=w+n2;
+  DATA_TYPE *w2=w+n2, *wbuf=w;
 
   /* rotate */
 
@@ -559,5 +559,5 @@
     w+=2;
     T+=2;
   }
-  free(w);
+  free(wbuf);
 }