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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,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 2D6ABC4321A for ; Fri, 28 Jun 2019 10:40:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A4E020656 for ; Fri, 28 Jun 2019 10:40:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726871AbfF1Kke (ORCPT ); Fri, 28 Jun 2019 06:40:34 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:43775 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726484AbfF1Kke (ORCPT ); Fri, 28 Jun 2019 06:40:34 -0400 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.145]) with ESMTPA (Nemesis) id 1Mqrjz-1iJykT2h0L-00mrot; Fri, 28 Jun 2019 12:40:08 +0200 From: Arnd Bergmann To: Jaegeuk Kim , Chao Yu Cc: Arnd Bergmann , Qiuyang Sun , Sahitya Tummala , Eric Biggers , Wang Shilong , linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: [PATCH] f2fs: fix 32-bit linking Date: Fri, 28 Jun 2019 12:39:52 +0200 Message-Id: <20190628104007.2721479-1-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:i9pne7gOZCrulnXnNLDG96catfF75e570yRKxFiuSSGz1wserXj V+2v6vNon66+ukSkKeYP5KgkYiApttcBaBPeaidxkb24oPlO/LH7M7D126r1GBTEdd3AUPT XVYSmsJyz5A2TCi4arN4hYixkHJpsVxqxfNhgPx8TlBTZfg/yCy23rrqI9LR6mBaIymqMc5 Jm+Rl+eFnIXH0yVU148rA== X-UI-Out-Filterresults: notjunk:1;V03:K0:FR3HnG46Egc=:FDEAcdE/ll0BOROb5cxi1M 2FF8mxEX6+baPUmlZWdyJJpJKqbmA+3tQ1w0h0leqhhoQ1ShzEK8Xg7EIzW59cXLTdEeMRjyO F3BXMV6Uw4i1jlubPWxCMnKIXmXPDWFkEDOTRr6KkNaRJLz7GcJcFPm0cP/VBGRgVbmIPbM9o VVzx6vgrWdknzPhbQbcUs8MgDgmORUd3uXP9/HRwbNoZFXMlgpsURQSBnV9DE06w3Og2jtLPx tyv4GD2nwmjH9PHWDqKp5zaLjbIgxjYX9FQcIDHLxmuQBcz584TpU2m6GfyhyhoTFvyiIrLNq vas2qDxdSSatWX9kb9NTDPOw2ACY5XBmeA6kLu6HIw+ke4k1FEAbMyN5QnJkx3UMr49WQ2nnF PDDd2RGdVu/DWE7WcxMnNO03Xc5PUH6Ng62S1PwM459/E3/uaJRGPBVXA+Bbcs8HhVWtt3sQX CS7kSAy3BbQAgCWY1H8yRqkuAeGegCERgf5T8Wa+Y4bZVCNpRS/qyLcNBV2D/YLX8yVU20D2k XJZ9BWn3LpPLkR5+liH14GSKQioBe9bzcbyN2vOBygcGMyCyZeaewEMsMAtAGIKSmsROqlfC4 3NG9W+OLmLG7unFxXcGzAGqBwXQ+ahaE0fOddfCO4gbiLsZ5rWXzYnWXf3li2/JDHvjCu985l II8BRHvm+HVJRqHL6oHR36eQM1d/WVhzRKqoYlu5WnP1pfWyttVi8DHJTnTYnLYaTpCsBAAmX Fn9UVF3LVasLObondlhoddMRvzhJMYQoUN63NA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Not all architectures support get_user() with a 64-bit argument: ERROR: "__get_user_bad" [fs/f2fs/f2fs.ko] undefined! Use copy_from_user() here, this will always work. Fixes: d2ae7494d043 ("f2fs: ioctl for removing a range from F2FS") Signed-off-by: Arnd Bergmann --- fs/f2fs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 998affe31419..465853029b8e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3066,7 +3066,8 @@ static int f2fs_ioc_resize_fs(struct file *filp, unsigned long arg) if (f2fs_readonly(sbi->sb)) return -EROFS; - if (get_user(block_count, (__u64 __user *)arg)) + if (copy_from_user(&block_count, (void __user *)arg, + sizeof(block_count))) return -EFAULT; ret = f2fs_resize_fs(sbi, block_count); -- 2.20.0