Net/Security: fix memory leaks from security_secid_to_secctx()
The security_secid_to_secctx() function returns memory that must be freed
by a call to security_release_secctx() which was not always happening. This
patch fixes two of these problems (all that I could find in the kernel source
at present).
Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c
index 89dcc48..85a96a3 100644
--- a/net/netlabel/netlabel_user.c
+++ b/net/netlabel/netlabel_user.c
@@ -113,8 +113,10 @@
if (audit_info->secid != 0 &&
security_secid_to_secctx(audit_info->secid,
&secctx,
- &secctx_len) == 0)
+ &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
+ security_release_secctx(secctx, secctx_len);
+ }
return audit_buf;
}