selinux: return early for possible NULL audit buffers

[linux-2.6-microblaze.git] / security / selinux / hooks.c

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index b0032c4..9e84e66 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3325,6 +3325,8 @@ static int selinux_inode_setxattr(struct user_namespace *mnt_userns,
                        }
                        ab = audit_log_start(audit_context(),
                                             GFP_ATOMIC, AUDIT_SELINUX_ERR);
+                       if (!ab)
+                               return rc;
                        audit_log_format(ab, "op=setxattr invalid_context=");
                        audit_log_n_untrustedstring(ab, value, audit_size);
                        audit_log_end(ab);
@@ -6552,6 +6554,8 @@ static int selinux_setprocattr(const char *name, void *value, size_t size)
                                ab = audit_log_start(audit_context(),
                                                     GFP_ATOMIC,
                                                     AUDIT_SELINUX_ERR);
+                               if (!ab)
+                                       return error;
                                audit_log_format(ab, "op=fscreate invalid_context=");
                                audit_log_n_untrustedstring(ab, value, audit_size);
                                audit_log_end(ab);