[RFC PATCH] NetLabel: Fix memory leak in SELinux glue code
From: Paul Moore <hidden>
Date: 2008-01-19 03:29:56
Subsystem:
selinux security module, the rest · Maintainers:
Paul Moore, Stephen Smalley, Linus Torvalds
Fix a memory leak in security_netlbl_sid_to_secattr() as reported here: * https://bugzilla.redhat.com/show_bug.cgi?id=352281 Signed-off-by: Paul Moore <redacted> --- security/selinux/netlabel.c | 7 +++++-- security/selinux/ss/services.c | 2 -- 2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
index d243ddc..66e013d 100644
--- a/security/selinux/netlabel.c
+++ b/security/selinux/netlabel.c@@ -53,10 +53,11 @@ static int selinux_netlbl_sock_setsid(struct sock *sk, u32 sid) struct sk_security_struct *sksec = sk->sk_security; struct netlbl_lsm_secattr secattr; + netlbl_secattr_init(&secattr); + rc = security_netlbl_sid_to_secattr(sid, &secattr); if (rc != 0) - return rc; - + goto sock_setsid_return; rc = netlbl_sock_setattr(sk, &secattr); if (rc == 0) { spin_lock_bh(&sksec->nlbl_lock);
@@ -64,6 +65,8 @@ static int selinux_netlbl_sock_setsid(struct sock *sk, u32 sid) spin_unlock_bh(&sksec->nlbl_lock); } +sock_setsid_return: + netlbl_secattr_destroy(&secattr); return rc; }
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index d572dc9..f83b19d 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c@@ -2606,8 +2606,6 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr) int rc = -ENOENT; struct context *ctx; - netlbl_secattr_init(secattr); - if (!ss_initialized) return 0;