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,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 2C3EDC33CA3 for ; Sat, 11 Jan 2020 10:01:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE24B20842 for ; Sat, 11 Jan 2020 10:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578736902; bh=qKWuJhiIFt1cwzfYqWXteVeVO7+gTjjLjT3zqAHymas=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=i3WSyKfNCDBZg86cINd3p3AEWyMpMn++4/NuXJrgqTxaergUGbRQBo3zL1g2C2/sA AUfpszjfrPOX0rzBsm1rN+izL0MWkCf4sCiQJ9powuL7GEfUYN3CUEiN9mZ+j6rqec kVYFcMlOBwSXDF9bq0JO+wFx/EyPDaPD6SR5DX9I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729455AbgAKKBl (ORCPT ); Sat, 11 Jan 2020 05:01:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:59234 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728828AbgAKKBk (ORCPT ); Sat, 11 Jan 2020 05:01:40 -0500 Received: from localhost (unknown [62.119.166.9]) (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 2CAB02077C; Sat, 11 Jan 2020 10:01:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578736899; bh=qKWuJhiIFt1cwzfYqWXteVeVO7+gTjjLjT3zqAHymas=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ACuKPkxGLHXWiekMwRIP1qqo5c71ZK+QD5AFMRzszCT6XHbaTUaY4QsWe+lqB4z17 JLTjJSY0e3x3aVeo3aV/jLqXkj//WcCJcKJMncVJ3+VW1hNdjFIiOE2gKDJvIFve4l zLixzbDn+0aEaEXsveaCThovgzI5IzIY0/WNU7o8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Al Viro , Arnd Bergmann Subject: [PATCH 4.9 44/91] fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP Date: Sat, 11 Jan 2020 10:49:37 +0100 Message-Id: <20200111094901.841255643@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200111094844.748507863@linuxfoundation.org> References: <20200111094844.748507863@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: Al Viro commit 6b2daec19094a90435abe67d16fb43b1a5527254 upstream. Unlike FICLONE, all of those take a pointer argument; they do need compat_ptr() applied to arg. Fixes: d79bdd52d8be ("vfs: wire up compat ioctl for CLONE/CLONE_RANGE") Fixes: 54dbc1517237 ("vfs: hoist the btrfs deduplication ioctl to the vfs") Fixes: ceac204e1da9 ("fs: make fiemap work from compat_ioctl") Signed-off-by: Al Viro Signed-off-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman --- fs/compat_ioctl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -1585,9 +1585,10 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned i #endif case FICLONE: + goto do_ioctl; case FICLONERANGE: case FIDEDUPERANGE: - goto do_ioctl; + goto found_handler; case FIBMAP: case FIGETBSZ: