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[IPSEC] xfrm_user: Kill PAGE_SIZE check in verify_sec_ctx_len()
author
David S. Miller
<davem@davemloft.net>
Tue, 21 Mar 2006 06:23:35 +0000
(22:23 -0800)
committer
David S. Miller
<davem@davemloft.net>
Tue, 21 Mar 2006 06:23:35 +0000
(22:23 -0800)
First, it warns when PAGE_SIZE >= 64K because the ctx_len
field is 16-bits.
Secondly, if there are any real length limitations it can
be verified by the security layer security_xfrm_state_alloc()
call.
Signed-off-by: David S. Miller <davem@davemloft.net>
net/xfrm/xfrm_user.c
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diff --git
a/net/xfrm/xfrm_user.c
b/net/xfrm/xfrm_user.c
index
07b7168
..
7b1acd9
100644
(file)
--- a/
net/xfrm/xfrm_user.c
+++ b/
net/xfrm/xfrm_user.c
@@
-101,9
+101,6
@@
static inline int verify_sec_ctx_len(struct rtattr **xfrma)
uctx = RTA_DATA(rt);
- if (uctx->ctx_len > PAGE_SIZE)
- return -EINVAL;
-
len += sizeof(struct xfrm_user_sec_ctx);
len += uctx->ctx_len;