patch-2.4.3 linux/net/ipv6/ipv6_sockglue.c
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- Lines: 23
- Date:
Sun Mar 25 18:14:25 2001
- Orig file:
v2.4.2/linux/net/ipv6/ipv6_sockglue.c
- Orig date:
Tue Nov 28 21:53:45 2000
diff -u --recursive --new-file v2.4.2/linux/net/ipv6/ipv6_sockglue.c linux/net/ipv6/ipv6_sockglue.c
@@ -7,7 +7,7 @@
*
* Based on linux/net/ipv4/ip_sockglue.c
*
- * $Id: ipv6_sockglue.c,v 1.34 2000/11/28 13:44:28 davem Exp $
+ * $Id: ipv6_sockglue.c,v 1.36 2001/02/26 05:59:07 davem Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -252,6 +252,13 @@
if (optlen == 0)
goto update;
+
+ /* 1K is probably excessive
+ * 1K is surely not enough, 2K per standard header is 16K.
+ */
+ retv = -EINVAL;
+ if (optlen > 64*1024)
+ break;
opt = sock_kmalloc(sk, sizeof(*opt) + optlen, GFP_KERNEL);
retv = -ENOBUFS;
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