From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49hOUx8DkmGN5emLNgZw//fCri+MnF6ia9eBj1W8x/wjPkivdC5xLwWOivwlG7U6r4cROvn ARC-Seal: i=1; a=rsa-sha256; t=1523584107; cv=none; d=google.com; s=arc-20160816; b=oGHXNEHs1lY930rE9kpPWr4t9oPDCKwehbFCbDXzAmGR8KTZeiO0xy0hraua9MHTmK doxqFQdrkQqxWSv4aI7cfSnel0dMp43pmvDbKhNzfGyL69UQDfcwjeveM7YgNPigmEyy 6Zt0tFGp41JhLql/y9QMpXxLDuq4U/mt08UipPv5HiZ/QeNHBEy+j5wmzq3N6Knh09q/ xmlw9qPORvuLunhUOrMgjJSPj/gpnPBq8a3Ndg0je5/tks5H6KcU1CnIqG73J4FWlR1I L8rRysgHMiTuKuEvrdp7a8scKrGOQYOlxkd3ltsnrT3qVNLcr7YRvCTUMdIkcKNCky6S JfqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to:from :subject:cc:to:message-id:date:delivered-to:list-id:list-subscribe :list-unsubscribe:list-help:list-post:precedence:mailing-list :arc-authentication-results; bh=/yYJXRnOaMeXNKc4hwh4uOBOobMm9l/gsV6tTRgSAwA=; b=AKAkScbCNRgJFY1gINQS1VZshTpjstrcNdwYs+obgCjSZgWEU1w//xEPjsxSKue/Yp P7SIXhbJKC8vFjHZtQOM4o7CcsAhCsnHAmc8Oy12Nj9ag4Hfy1ZBizoBvTUM/zknRbPg w2HAT107pKPruqnYtcfuodVIeFq37pMtotyI0cdn/ZBERPNFcl5uzr+Kz8am4XRGTO0w yNIw8tA1mVrbh6639fYYaCqpTp91YxkZOu/bjvf7VNQFn+LmtdCqxEIe0AHrMuqklyse Zzq+3rzf2WJjYCk4VuA5YrLjEaXj4zuXieTGvkpAiM/fvWM0Mfk1XlT/8imac85Yn6ya +Gkw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-12984-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12984-gregkh=linuxfoundation.org@lists.openwall.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-12984-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12984-gregkh=linuxfoundation.org@lists.openwall.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: Date: Thu, 12 Apr 2018 21:48:04 -0400 (EDT) Message-Id: <20180412.214804.685830742109478351.davem@davemloft.net> To: labbott@redhat.com Cc: isdn@linux-pingi.de, keescook@chromium.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com Subject: Re: [PATCHv2] mISDN: Remove VLAs From: David Miller In-Reply-To: <20180411010429.18074-1-labbott@redhat.com> References: <20180411010429.18074-1-labbott@redhat.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597409800222276851?= X-GMAIL-MSGID: =?utf-8?q?1597593729231221996?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Laura Abbott Date: Tue, 10 Apr 2018 18:04:29 -0700 > There's an ongoing effort to remove VLAs[1] from the kernel to eventually > turn on -Wvla. Remove the VLAs from the mISDN code by switching to using > kstrdup in one place and using an upper bound in another. > > Signed-off-by: Laura Abbott > --- > v2: Switch to a tighter upper bound so we are allocating a more > reasonable amount on the stack (300). This is based on previous checks > against this value. Applied.