Description: Handle illegal bitrate value

Author: Chrysostomos Nanakos <cnanakos@debian.org>

Bug-Debian: https://bugs.debian.org/870406

Bug-Debian: https://bugs.debian.org/887057

--- mpg321-0.3.2.orig/mad.c

+++ mpg321-0.3.2/mad.c

@@ -574,6 +574,12 @@ void scan(void const *ptr, ssize_t len,

     if (!is_vbr)

     {

+	if (header.bitrate <= 0)                                                

+        {                                                                       

+            fprintf(stderr, "Illegal bit allocation value\n");                                                                              

+            return;                                                             

+        }    

+

         double time = (len * 8.0) / (header.bitrate); /* time in seconds */

         double timefrac = (double)time - ((long)(time));

         long nsamples = 32 * MAD_NSBSAMPLES(&header); /* samples per frame */