Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1045637pxj; Sat, 29 May 2021 01:17:37 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw1mLxc37oSkv4f0R2R8o/A80NUQ9h+rL5zIIOraFn9s0SoEukhd1jp9Prlj4F5moWgDLiP X-Received: by 2002:a92:cec2:: with SMTP id z2mr1022581ilq.58.1622276257530; Sat, 29 May 2021 01:17:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622276257; cv=none; d=google.com; s=arc-20160816; b=t1SbSxgyEgRm1JUSuOYqNOyXowUIAf5HiIJbayaR28ZxQOWfubk60EeotZcwfgXgIC g88cUVsh++asApFfHcTYBX3KF7muvbKOr7cwXgKN9isLhJeQJr5W6tHAJVuDwchxmnB0 eeMC5Uqi4LznR4fyVFLviCTvDucYtqxwzHvUGgSWMMXVVfJAbePTaFbFgyNkRrdPyHWK z1ZyhyI/mvkuspcmDoaQ0Z6zLSWt8BCWmQQg/xvl+7HtoEEa9j+RtUAdvQNdhzGzaVsy yOXixij9SQFHXu/2Zeqip+PGcloC62YLGbXTrr+Lc5No7qOPQ2zqbCeHzx/yHWxsmb4d UtYw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=Mmpfi80l3+BbpXiE/a7SQvBH9xx5Gi6BmbqNCUgYllg=; b=jlio2x84kMuEEek2x2UZsdypa3reF5GUagD3qkGSY2khzNdtHF6MebIb3XVs2s67YY B2NjIYxy1g4h8+cMFTaDY2g1SkzxwHPLMjtgXqX6TCbwuS+oUiX3oumdZCxZBIUNnksy mKMyKIihSFB0zww6cLn2vpjIDhbju229hdxHsfifolx9QDb6cfx5MR/PTjfiJmySdMOp WSrP/+VBCKzuxLyIL1cei14jnp/dAhkzm0jc7mTj1p4JH6NJ2CHAEgQFxysZRw6c1bAV h6ypRK2isiI7WceEUOlAPrRwsi1YjiWvrv1E35aCxxurn8h+8c1B7CC5Uw+U5SjJiI7T phKQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h21si8265224jav.99.2021.05.29.01.17.25; Sat, 29 May 2021 01:17:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229718AbhE2ISN (ORCPT + 99 others); Sat, 29 May 2021 04:18:13 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:2089 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229612AbhE2ISK (ORCPT ); Sat, 29 May 2021 04:18:10 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4FsZ5k291ZzWnjh; Sat, 29 May 2021 16:11:54 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 29 May 2021 16:16:31 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 29 May 2021 16:16:31 +0800 From: Yang Yingliang To: , , CC: , , , Subject: [PATCH -next 2/3] cifsd: fix memleak in ksmbd_vfs_stream_read() Date: Sat, 29 May 2021 16:20:57 +0800 Message-ID: <20210529082058.3012233-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210529082058.3012233-1-yangyingliang@huawei.com> References: <20210529082058.3012233-1-yangyingliang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Before ksmbd_vfs_stream_read() return, memory allocate in ksmbd_vfs_getcasexattr() need be freed. Fixes: f44158485826 ("cifsd: add file operations") Signed-off-by: Yang Yingliang --- fs/cifsd/vfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/cifsd/vfs.c b/fs/cifsd/vfs.c index 9057b30278b9..97d5584ec870 100644 --- a/fs/cifsd/vfs.c +++ b/fs/cifsd/vfs.c @@ -290,6 +290,7 @@ static int ksmbd_vfs_stream_read(struct ksmbd_file *fp, char *buf, loff_t *pos, } memcpy(buf, &stream_buf[*pos], count); + kfree(stream_buf); return v_len > count ? count : v_len; } -- 2.25.1