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 4DAB3C32774 for ; Tue, 23 Aug 2022 08:20:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239496AbiHWIUA (ORCPT ); Tue, 23 Aug 2022 04:20:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242746AbiHWIPx (ORCPT ); Tue, 23 Aug 2022 04:15:53 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DCFF6DAD8; Tue, 23 Aug 2022 01:10:25 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 1EF65B81C26; Tue, 23 Aug 2022 08:10:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 640A9C433D6; Tue, 23 Aug 2022 08:10:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661242222; bh=gl2ec1/9WIGA+Cbo3C9Q12gKyFZ9vUECTlF+qnQ3z+c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uU+ybIjSYGpI064SIikmBvCp+h+rrUIVYn/8hoRibGV5BJrEjLS8dhHvDGn770nHL APn8N/w77wTousdPb5xjcEKblpEeNHhAyCVyyba3sXnZQyAlTGcHO+DZq/FQWUtV1Z DzRFREs6Vziq3zJ6qKssCNzK2auPqgrcAuKxa2IY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miklos Szeredi Subject: [PATCH 4.9 038/101] fuse: limit nsec Date: Tue, 23 Aug 2022 10:03:11 +0200 Message-Id: <20220823080036.019985254@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080034.579196046@linuxfoundation.org> References: <20220823080034.579196046@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: linux-kernel@vger.kernel.org From: Miklos Szeredi commit 47912eaa061a6a81e4aa790591a1874c650733c0 upstream. Limit nanoseconds to 0..999999999. Fixes: d8a5ba45457e ("[PATCH] FUSE - core") Cc: Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -173,6 +173,12 @@ void fuse_change_attributes_common(struc inode->i_uid = make_kuid(&init_user_ns, attr->uid); inode->i_gid = make_kgid(&init_user_ns, attr->gid); inode->i_blocks = attr->blocks; + + /* Sanitize nsecs */ + attr->atimensec = min_t(u32, attr->atimensec, NSEC_PER_SEC - 1); + attr->mtimensec = min_t(u32, attr->mtimensec, NSEC_PER_SEC - 1); + attr->ctimensec = min_t(u32, attr->ctimensec, NSEC_PER_SEC - 1); + inode->i_atime.tv_sec = attr->atime; inode->i_atime.tv_nsec = attr->atimensec; /* mtime from server may be stale due to local buffered write */