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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 3DC40C433E2 for ; Tue, 14 Jul 2020 10:59:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 0E3CA22200 for ; Tue, 14 Jul 2020 10:59:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Fm5xtKoI"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Y7Egjcf3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E3CA22200 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-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: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:List-Owner; bh=fzYODvmuGm2vU4nGDH2Jpdv0dVHNGyWDE/dB5A1gZLo=; b=Fm5xtKoIk/SagMuiDE0HoU6ON 6i9CC3KvfMDbfIeL7zn9lXl7EhzF0gz6h1aF12GgFzYiYajONjd0Bo2L7Wv0m5IVR0vhRwMYi3FC2 eiUHEFsSfflw/OY0Iy/mhj1oopgdPnS1EhR6Ym/Z1zrUWrhVp30ASew26mdo33A9a8lg3Brzs5t9B JvsT47aJnWwXX3uDwF2A1GX/xabDlsoUZepzHGa10KXxmwN+9eymjwLqrz1tYDzVMZRxPT6zVzGAD RLg+PyzOs1Kom5kHapSj/iZoxQ4eXbO54o1zl/Nf8Es0jdsoIR0EfE9c9ZxOB9cLfhzEazUYnffor 83Jj0bJ3Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvIeo-00014v-Ls; Tue, 14 Jul 2020 10:59:30 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvIen-00014k-J8 for linux-riscv@merlin.infradead.org; Tue, 14 Jul 2020 10:59:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=8kIpdB7MOVPeE6Mtm6qS57nGC+Nbr8eHQGmiVAURoO0=; b=Y7Egjcf3jjfOrfhxpS00WHCSu/ 7+sVXf5y3GzUV7zX3zJjYmm8deI9zyULqJUYesggLwFRaA+jOjsxongcjp8mxAoAG8K3HDdINJd6Y vpNJTkxpMrx1z7EoGeksBRSNefcuskiLd65m0OFcEBbp3J4vlBaubVusFTxRdWpP4YXOgd3ykjh13 0cY6HbeK+wpHET1t/nPFQv6pVsBgQwSTNwIFtZIdVXf2LPGrbKhTmqbBUOuafwzpQ57/9MR+JyPNQ 0TVBYyjEfWaK73wyPMWy2TfbXz1SCQ/fGAnTWWvXRC4QEQl48YTr2nCyTzsIvCCaXVmU2MEreblnJ eshrFJFQ==; Received: from 089144201169.atnat0010.highway.a1.net ([89.144.201.169] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvIem-0005up-87; Tue, 14 Jul 2020 10:59:28 +0000 From: Christoph Hellwig To: Nick Hu , Greentime Hu , Vincent Chen , Paul Walmsley , Palmer Dabbelt , Andrew Morton , Linus Torvalds Subject: [PATCH 1/6] syscalls: use uaccess_kernel in addr_limit_user_check Date: Tue, 14 Jul 2020 12:55:00 +0200 Message-Id: <20200714105505.935079-2-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200714105505.935079-1-hch@lst.de> References: <20200714105505.935079-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Use the uaccess_kernel helper instead of duplicating it. Signed-off-by: Christoph Hellwig --- include/linux/syscalls.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index b951a87da9877c..e933a43d4a69ac 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -263,7 +263,7 @@ static inline void addr_limit_user_check(void) return; #endif - if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS), + if (CHECK_DATA_CORRUPTION(uaccess_kernel(), "Invalid address limit on user-mode return")) force_sig(SIGKILL); -- 2.26.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv