From nobody Wed Sep 17 19:23:44 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B0B6C4332F for ; Fri, 16 Dec 2022 03:35:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229797AbiLPDeM (ORCPT ); Thu, 15 Dec 2022 22:34:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229544AbiLPDeH (ORCPT ); Thu, 15 Dec 2022 22:34:07 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9858F379C3 for ; Thu, 15 Dec 2022 19:34:06 -0800 (PST) Received: from dggpemm500006.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4NYF6j3NyVz16LYJ; Fri, 16 Dec 2022 11:33:01 +0800 (CST) Received: from mdc.huawei.com (10.175.112.208) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 16 Dec 2022 11:34:01 +0800 From: Chen Jun To: , , , , , , , <42.hyeyoo@gmail.com>, , CC: Subject: [PATCH] mm, slub: fix uninitialized variable in __slab_free Date: Fri, 16 Dec 2022 03:31:19 +0000 Message-ID: <20221216033119.14159-1-chenjun102@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.208] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" new.frozen is not initialized before it is used. Fixes: 2cfb7455d223 ("slub: Rework allocator fastpaths") Signed-off-by: Chen Jun --- mm/slub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/slub.c b/mm/slub.c index 13459c69095a..8628c88875b6 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3593,6 +3593,7 @@ static void __slab_free(struct kmem_cache *s, struct = slab *slab, return; } =20 + new.frozen =3D 0; do { if (unlikely(n)) { spin_unlock_irqrestore(&n->list_lock, flags); --=20 2.17.1