From: Nickolai Zeldovich <nickolai@csail.mit.edu>
To: Steve French <sfrench@samba.org>
Cc: Nickolai Zeldovich <nickolai@csail.mit.edu>,
linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] cifs: fix srcip_matches() for ipv6
Date: Wed, 16 Jan 2013 21:36:17 -0500 [thread overview]
Message-ID: <1358390177-24422-1-git-send-email-nickolai@csail.mit.edu> (raw)
srcip_matches() previously had code like this:
srcip_matches(..., struct sockaddr *rhs) {
/* ... */
struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *) &rhs;
return ipv6_addr_equal(..., &vaddr6->sin6_addr);
}
which interpreted the values on the stack after the 'rhs' pointer as an
ipv6 address. The correct thing to do is to use 'rhs', not '&rhs'.
Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
---
fs/cifs/connect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 17c3643..12b3da3 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1917,7 +1917,7 @@ srcip_matches(struct sockaddr *srcaddr, struct sockaddr *rhs)
}
case AF_INET6: {
struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)srcaddr;
- struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)&rhs;
+ struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)rhs;
return ipv6_addr_equal(&saddr6->sin6_addr, &vaddr6->sin6_addr);
}
default:
--
1.7.10.4
next reply other threads:[~2013-01-17 2:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-17 2:36 Nickolai Zeldovich [this message]
2013-01-17 3:51 ` Steve French
2013-01-17 4:04 ` Nickolai Zeldovich
2013-01-21 7:41 ` Steve French
2013-01-17 16:24 ` Jeff Layton
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