File: 0002-Avoid-SIGFPE-when-bytespersample-is-zero.patch

package info (click to toggle)
libvorbis 1.3.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 7,444 kB
  • sloc: ansic: 54,738; sh: 4,210; xml: 982; perl: 786; makefile: 329
file content (26 lines) | stat: -rw-r--r-- 928 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
From: Daniel Exner <dex@dragonslave.de>
Date: Mon, 18 Jun 2012 22:05:48 +0200
Subject: Avoid SIGFPE when bytespersample is zero

Forwarded: https://github.com/xiph/vorbis/pull/66
Origin: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=635906#15
Reviewed-By: Petter Reinholdtsen <pere@hungry.com>
Last-Update: 2020-08-24
---
 lib/vorbisfile.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: libvorbis/lib/vorbisfile.c
===================================================================
--- libvorbis.orig/lib/vorbisfile.c
+++ libvorbis/lib/vorbisfile.c
@@ -1992,7 +1992,8 @@ long ov_read_filter(OggVorbis_File *vf,c
     vorbis_fpu_control fpu;
 
     if(channels<1||channels>255)return(OV_EINVAL);
-    if(samples>length/bytespersample)samples=length/bytespersample;
+    if(bytespersample && samples>length/bytespersample)
+     samples=length/bytespersample;
 
     if(samples <= 0)
       return OV_EINVAL;