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 X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9D99C43219 for ; Wed, 1 May 2019 16:07:18 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 855B12089E for ; Wed, 1 May 2019 16:07:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Cl8td1RS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 855B12089E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Se5Ho3tuPRdSOLnnMhihN+RAin8m0r2Ebm2RtVEpftg=; b=Cl8td1RSy7uA0N IUm0dkfEKEJfm3NsGHpNCHJvQ1ZH7kKlc/OlvLqPkQi/tISUcAt1CAFntIozKR7SvfL6wBJ+2+7XC 82Axpx2UHI3gyaqmnRBhtAHY6lN3lgJaQKJGwN28cESvN3m7vKYUfwsGPerYtQT5nbZzp9HCXBhz5 rSRtyUpz4kArUbz71oXXU4n/zzXbslqfvwlmScVY2RrUukoajL2Noe0J9OmmXpWiHTNSJxmYinAzd ZVKq4vmN272tkW3uF/FNp+RMgEPd0YvkkH3sXVogs9XkERaaukTQvY+P1KE3aLdCwPwbS4u8gWVei vqC0kdt0hK8gfyS92OrA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLrlM-0008Kz-21; Wed, 01 May 2019 16:07:16 +0000 Received: from adsl-173-228-226-134.prtc.net ([173.228.226.134] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLrlJ-0008Km-QG; Wed, 01 May 2019 16:07:14 +0000 From: Christoph Hellwig To: Andrew Morton Subject: fix filler_t callback type mismatches Date: Wed, 1 May 2019 12:06:32 -0400 Message-Id: <20190501160636.30841-1-hch@lst.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-nfs@vger.kernel.org, Kees Cook , Nick Desaulniers , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mtd@lists.infradead.org, Sami Tolvanen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Casting mapping->a_ops->readpage to filler_t causes an indirect call type mismatch with Control-Flow Integrity checking. This change fixes the mismatch in read_cache_page_gfp and read_mapping_page by adding using a NULL filler argument as an indication to call ->readpage directly, and by passing the right parameter callbacks in nfs and jffs2. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/