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authorDavid Woodhouse <dwmw2@infradead.org>2006-09-29 15:50:25 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 15:58:21 -0700
commit2148ccc437a9eac9f0d4b3c27cb1e41f6a48194c (patch)
tree03dc59734526aa654d29e1b81cdad18369598182 /security
parent9a69d1aeccf169d9a1e442c07d3a6e87f06a7b49 (diff)
downloadlinux-linaro-stable-2148ccc437a9eac9f0d4b3c27cb1e41f6a48194c.tar.gz
[PATCH] MLSXFRM: fix mis-labelling of child sockets
Accepted connections of types other than AF_INET, AF_INET6, AF_UNIX won't have an appropriate label derived from the peer, so don't use it. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: James Morris <jmorris@namei.org> Acked-by: Paul Moore <paul.moore@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/hooks.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index cac0273ec447..e9969a2fc846 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3619,7 +3619,9 @@ static void selinux_sock_graft(struct sock* sk, struct socket *parent)
struct inode_security_struct *isec = SOCK_INODE(parent)->i_security;
struct sk_security_struct *sksec = sk->sk_security;
- isec->sid = sksec->sid;
+ if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6 ||
+ sk->sk_family == PF_UNIX)
+ isec->sid = sksec->sid;
selinux_netlbl_sock_graft(sk, parent);
}