[Ffmpeg-cvslog] r7777 - trunk/libavcodec/lzo.c

[reimar]

Author: reimar
Date: Wed Jan 31 11:29:58 2007
New Revision: 7777

Modified:
   trunk/libavcodec/lzo.c

Log:
Add two extra needed bounds checks


Modified: trunk/libavcodec/lzo.c
==============================================================================
--- trunk/libavcodec/lzo.c	(original)
+++ trunk/libavcodec/lzo.c	Wed Jan 31 11:29:58 2007
@@ -182,6 +182,8 @@
         x = GETB(c);
         if (x < 16) c.error |= LZO_ERROR;
     }
+    if (c.in > c.in_end)
+        c.error |= LZO_INPUT_DEPLETED;
     while (!c.error) {
         int cnt, back;
         if (x > 15) {
@@ -209,6 +211,10 @@
                 cnt = get_len(&c, x, 15);
                 copy(&c, cnt + 3);
                 x = GETB(c);
+                if (c.in > c.in_end) {
+                    c.error |= LZO_INPUT_DEPLETED;
+                    continue;
+                }
                 if (x >> 4)
                     continue;
                 cnt = 1;