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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D3524C433FF for ; Fri, 2 Aug 2019 09:53:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FC3521726 for ; Fri, 2 Aug 2019 09:53:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564739613; bh=Sus13iWclroigCwhhejUjmR7RmySRV/rrlISLxwdSts=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=B/eJ8B76o8973CmSlZzgpe7JN0hJqKuwwGjBcis4T5Ii0bcNXMXL5K59mJdG9N/QI 1SAfCobGYNHg4dQ+6Q+/Bsu5zAmSGKMN3mIY+IyA0Rnzx/cOQ9IyRdjVfTZrssmjXe LHAeaeW+A0qpUaDYzZprHikb+kNxaYE6wAAli1Wo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406276AbfHBJxc (ORCPT ); Fri, 2 Aug 2019 05:53:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:59488 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406262AbfHBJxY (ORCPT ); Fri, 2 Aug 2019 05:53:24 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AF663206A2; Fri, 2 Aug 2019 09:53:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564739603; bh=Sus13iWclroigCwhhejUjmR7RmySRV/rrlISLxwdSts=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=slAYXma5KMizcHS5AqtgeQ79+XeZ5vNin0103H28nijp+mspC2ssj/72KgoMx0sxX J5xGz1TkjSQgzuy2aycN9K3ST7wXncIseyg5RKbzkHnBM+9dDaoi0Xk2oBuh0kKdCf 7xIqwWLCXXDEr5zSo7YKSX0K6Iy5uvtp15tK3hz8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Dominik Brodowski , "Eric W. Biederman" , Andrew Morton , Al Viro , Oleg Nesterov , Dave Martin , Steve McIntyre , Steve McIntyre <93sam@debian.org>, Will Deacon , Catalin Marinas Subject: [PATCH 4.9 215/223] arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ Date: Fri, 2 Aug 2019 11:37:20 +0200 Message-Id: <20190802092250.685349111@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802092238.692035242@linuxfoundation.org> References: <20190802092238.692035242@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Will Deacon commit 24951465cbd279f60b1fdc2421b3694405bcff42 upstream. arch/arm/ defines a SIGMINSTKSZ of 2k, so we should use the same value for compat tasks. Cc: Arnd Bergmann Cc: Dominik Brodowski Cc: "Eric W. Biederman" Cc: Andrew Morton Cc: Al Viro Cc: Oleg Nesterov Reviewed-by: Dave Martin Reported-by: Steve McIntyre Tested-by: Steve McIntyre <93sam@debian.org> Signed-off-by: Will Deacon Signed-off-by: Catalin Marinas Signed-off-by: Greg Kroah-Hartman --- arch/arm64/include/asm/compat.h | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -234,6 +234,7 @@ static inline compat_uptr_t ptr_to_compa } #define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) +#define COMPAT_MINSIGSTKSZ 2048 static inline void __user *arch_compat_alloc_user_space(long len) {