From patchwork Fri Mar 26 14:38:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1458830 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=D0aRvZfU; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4F6Plh3WvDz9sWd for ; Sat, 27 Mar 2021 01:40:32 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4F6Plh2QFwz3cCg for ; Sat, 27 Mar 2021 01:40:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=D0aRvZfU; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+31783f3a8021f30233dc+6424+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=D0aRvZfU; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4F6PkH6Thqz3bnJ for ; Sat, 27 Mar 2021 01:39:16 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=7gG07jJWdVdkveJTg0m/JRPJ+82hLCG/BeQINxDX6bU=; b=D0aRvZfUwo4S5aaCsJt561vjqM xaOTDqqsYCfGC25oUmioZexS8odCWf3uARtuUQGiuIKThTV5mYEfMPFHN/0Spsff+MrDYZv8TXLQP PJeY4TOdB437fk7H/dCXxvaEvdZDLk99kZt3pDcJikdEeR9gVlBl91iVG5Dr+RHOuRiG0rhSBAPpG ugsSvI20mRLSN7CXP1owGVW/FBNDmzXrR+Nnzxm7LU/k17Js3TAtzxuyr7aMymvve5r5N/hUX/2Th sfIPFFMKKFFVp85fcpS40i7HKn9o8s39mE8CRL/cYOw2j7B4emzTxY29I5IegFuL6rBdz15cpJqKU T4zrs2PA==; Received: from [213.208.157.35] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lPnbz-005U6v-WC; Fri, 26 Mar 2021 14:38:58 +0000 From: Christoph Hellwig To: "Eric W. Biederman" , Al Viro Subject: [PATCH 2/4] exec: remove compat_do_execve Date: Fri, 26 Mar 2021 15:38:29 +0100 Message-Id: <20210326143831.1550030-3-hch@lst.de> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210326143831.1550030-1-hch@lst.de> References: <20210326143831.1550030-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-parisc@vger.kernel.org, Arnd Bergmann , Brian Gerst , x86@kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Luis Chamberlain , sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Just call compat_do_execve instead. Signed-off-by: Christoph Hellwig --- fs/exec.c | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) diff --git a/fs/exec.c b/fs/exec.c index b63fb020909075..06e07278b456fa 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1990,21 +1990,6 @@ static int do_execveat(int fd, struct filename *filename, } #ifdef CONFIG_COMPAT -static int compat_do_execve(struct filename *filename, - const compat_uptr_t __user *__argv, - const compat_uptr_t __user *__envp) -{ - struct user_arg_ptr argv = { - .is_compat = true, - .ptr.compat = __argv, - }; - struct user_arg_ptr envp = { - .is_compat = true, - .ptr.compat = __envp, - }; - return do_execveat_common(AT_FDCWD, filename, argv, envp, 0); -} - static int compat_do_execveat(int fd, struct filename *filename, const compat_uptr_t __user *__argv, const compat_uptr_t __user *__envp, @@ -2072,7 +2057,7 @@ COMPAT_SYSCALL_DEFINE3(execve, const char __user *, filename, const compat_uptr_t __user *, argv, const compat_uptr_t __user *, envp) { - return compat_do_execve(getname(filename), argv, envp); + return compat_do_execveat(AT_FDCWD, getname(filename), argv, envp, 0); } COMPAT_SYSCALL_DEFINE5(execveat, int, fd,