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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31B63C54E76 for ; Mon, 2 Jan 2023 11:27:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235953AbjABL1b (ORCPT ); Mon, 2 Jan 2023 06:27:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236003AbjABL06 (ORCPT ); Mon, 2 Jan 2023 06:26:58 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A024EE for ; Mon, 2 Jan 2023 03:25:46 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DB9C760F37 for ; Mon, 2 Jan 2023 11:25:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1389C433D2; Mon, 2 Jan 2023 11:25:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672658745; bh=nz3+Zk9eUFcCcp3wWYKpSm1I5sth4SC4NiBeKFn/qj4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gS4E3RKUrt08o/9W+x5q9hfd3PeCL/CaEY86JKue/ipmfMrEmy6XZCMKIs1aTgHn6 EFwVfK0329X87EMYBtM9NDOLnCJb58/c47U2/IiddmkCMKaLnA04w5oUFw+vGjF69T ganxH35E3oXPVDELoRIuRRajEXnEbHAJLCU3AhCE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pierre Labastie , Al Viro , Miklos Szeredi Subject: [PATCH 6.1 55/71] ovl: update ->f_iocb_flags when ovl_change_flags() modifies ->f_flags Date: Mon, 2 Jan 2023 12:22:20 +0100 Message-Id: <20230102110553.803247392@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230102110551.509937186@linuxfoundation.org> References: <20230102110551.509937186@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Al Viro commit 456b59e757b0c558df550764a4fd5ae6877e93f8 upstream. ovl_change_flags() is an open-coded variant of fs/fcntl.c:setfl() and it got missed by commit 164f4064ca81 ("keep iocb_flags() result cached in struct file"); the same change applies there. Reported-by: Pierre Labastie Fixes: 164f4064ca81 ("keep iocb_flags() result cached in struct file") Cc: # v6.0 Link: https://bugzilla.kernel.org/show_bug.cgi?id=216738 Signed-off-by: Al Viro Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/file.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -96,6 +96,7 @@ static int ovl_change_flags(struct file spin_lock(&file->f_lock); file->f_flags = (file->f_flags & ~OVL_SETFL_MASK) | flags; + file->f_iocb_flags = iocb_flags(file); spin_unlock(&file->f_lock); return 0;