From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5ED53C4332F for ; Fri, 16 Dec 2022 03:34:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DA8AA8E0003; Thu, 15 Dec 2022 22:34:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D58568E0002; Thu, 15 Dec 2022 22:34:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C476B8E0003; Thu, 15 Dec 2022 22:34:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id B4B388E0002 for ; Thu, 15 Dec 2022 22:34:08 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 62964160602 for ; Fri, 16 Dec 2022 03:34:08 +0000 (UTC) X-FDA: 80246750976.10.7D47CD6 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by imf24.hostedemail.com (Postfix) with ESMTP id 107D218000F for ; Fri, 16 Dec 2022 03:34:05 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf24.hostedemail.com: domain of chenjun102@huawei.com designates 45.249.212.255 as permitted sender) smtp.mailfrom=chenjun102@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1671161646; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=lncGEfsMGqMEmE6SZOcTuT2VGV4dWkHIDB2IdbfOdh8=; b=knfueZcwjvRg+RKp6gYkQR596xTyw70D1peVz7NETKnPTPM/mF4++iUc6lx+3/IwRG5W3n lvrT/VlAmNnItFU8frHbBztGwF4nKhe/Mwey8pvuCxB3rrVxlTcwQOn7Oieei7SxrEkxmM DtrYhrYS/SrGwMQE2iH9edoLekA9rGc= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf24.hostedemail.com: domain of chenjun102@huawei.com designates 45.249.212.255 as permitted sender) smtp.mailfrom=chenjun102@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1671161646; a=rsa-sha256; cv=none; b=MJPeUR5hd7lB5dyfjd9WTnaUbtgSRSHSHif6AR+jIpj0toBID57ZvP4LOjmj9yZ9wSLD27 pzDqzZIeUpyQhjVyvmWMcSHlXJW1MHbdDM6VV+EjTobVbtpW92WLyjRS07bk1JGZiRn8sd oZU0zE63/iqE0O2VYzwVQE2yDVyg7hQ= 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 Content-Type: text/plain 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 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 107D218000F X-Stat-Signature: 1x63kachbaax3yp36hrztxer75an41nc X-HE-Tag: 1671161645-50226 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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; } + new.frozen = 0; do { if (unlikely(n)) { spin_unlock_irqrestore(&n->list_lock, flags); -- 2.17.1