From c24e6c9c336c9df884f597a6610b765db917280f Mon Sep 17 00:00:00 2001
From: Jon Lech Johansen <jlj@videolan.org>
Date: Wed, 12 May 2004 21:44:59 +0000
Subject: [PATCH]   * drms.c: Check that key store is at least 4 bytes (fixes
 segfault             on empty key store).

---
 modules/demux/mp4/drms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/demux/mp4/drms.c b/modules/demux/mp4/drms.c
index 647e96b0be..e3eb677569 100644
--- a/modules/demux/mp4/drms.c
+++ b/modules/demux/mp4/drms.c
@@ -1799,7 +1799,7 @@ static int GetSCIData( char *psz_ipod, uint32_t **pp_sci,
     {
         struct stat st;
 
-        if( !fstat( fileno( file ), &st ) )
+        if( !fstat( fileno( file ), &st ) && st.st_size >= 4 )
         {
             *pp_sci = malloc( st.st_size );
             if( *pp_sci != NULL )
-- 
2.39.5