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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  SELinux: memory leak in security_context_to_sid_core
Linus Torvalds 16 年之前
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d210baf53b
共有 1 個文件被更改,包括 3 次插入3 次删除
  1. 3 3
      security/selinux/ss/services.c

+ 3 - 3
security/selinux/ss/services.c

@@ -811,11 +811,12 @@ static int string_to_context_struct(struct policydb *pol,
 	/* Check the validity of the new context. */
 	if (!policydb_context_isvalid(pol, ctx)) {
 		rc = -EINVAL;
-		context_destroy(ctx);
 		goto out;
 	}
 	rc = 0;
 out:
+	if (rc)
+		context_destroy(ctx);
 	return rc;
 }
 
@@ -868,8 +869,7 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
 	} else if (rc)
 		goto out;
 	rc = sidtab_context_to_sid(&sidtab, &context, sid);
-	if (rc)
-		context_destroy(&context);
+	context_destroy(&context);
 out:
 	read_unlock(&policy_rwlock);
 	kfree(scontext2);