Bug noticed by Chris Wright <[EMAIL PROTECTED]>.
Signed-off-by: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
---
net/ipv6/ipv6_sockglue.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 44ccdf0..6ad8921 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -824,9 +824,9 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct
ipv6_txoptions *opt,
return 0;
len = min_t(int, len, ipv6_optlen(hdr));
- if (copy_to_user(optval, hdr, ipv6_optlen(hdr)))
+ if (copy_to_user(optval, hdr, len));
return -EFAULT;
- return len;
+ return ipv6_optlen(hdr);
}
static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
--
1.4.4.1.g562ce
-
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