From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13544 invoked by alias); 7 Mar 2019 15:35:08 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 13533 invoked by uid 89); 7 Mar 2019 15:35:08 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-0.7 required=5.0 tests=BAYES_00,FREEMAIL_FROM,KAM_THEBAT,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=no version=3.3.1 spammy=H*F:D*yandex.ru, screen, HX-Priority:Normal, codes X-HELO: forward105p.mail.yandex.net Received: from forward105p.mail.yandex.net (HELO forward105p.mail.yandex.net) (77.88.28.108) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 07 Mar 2019 15:35:05 +0000 Received: from mxback11g.mail.yandex.net (mxback11g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:90]) by forward105p.mail.yandex.net (Yandex) with ESMTP id 7BD064D419DB for ; Thu, 7 Mar 2019 18:35:01 +0300 (MSK) Received: from smtp3o.mail.yandex.net (smtp3o.mail.yandex.net [2a02:6b8:0:1a2d::27]) by mxback11g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id t0P09nl7V2-Z158Qium; Thu, 07 Mar 2019 18:35:01 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1551972901; bh=ijwY6zrwsT+uO8xT/0O0mErbiW+gWMAQLhziNquGdfY=; h=In-Reply-To:Subject:To:Reply-To:From:Message-ID:References:Date; b=ZHJYJB7oGGKmA/hA6qWoiU1IosddbHjraOqM6REb6sFWazLNdjePTshkzy9WSJecF QGWRzt+NjgZpugqDqEwej8+uq7K185sBkDVef7mpI9ACTs2lyv09AwZeEeJr7iRNaV UnKYTI0kArzznxB/8uxkdorXsuYdCthBcL9fzAso= Authentication-Results: mxback11g.mail.yandex.net; dkim=pass header.i=@yandex.ru Received: by smtp3o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id KNftA2YEVr-Z0wmtpar; Thu, 07 Mar 2019 18:35:00 +0300 (using TLSv1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits)) (Client certificate not present) Received: from [192.168.1.10] (HELO daemon2.darkdragon.lan) by daemon2 (Office Mail Server 0.8.12 build 08053101) with SMTP; Thu, 07 Mar 2019 15:24:45 -0000 Date: Thu, 07 Mar 2019 15:35:00 -0000 From: Andrey Repin Reply-To: cygwin@cygwin.com Message-ID: <51233666.20190307182445@yandex.ru> To: Takashi Yano , cygwin@cygwin.com Subject: Re: Logging-in using ssh elevates the user privilege. In-Reply-To: <381052629.20190307141955@yandex.ru> References: <20190307010000.fc28b73739c2dd66e609982b@nifty.ne.jp> <381052629.20190307141955@yandex.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2019-03/txt/msg00146.txt.bz2 Greetings, Takashi Yano! >> This also causes gnu screen to freeze. > GNU screen freeze without much of an effort under Cygwin. > Try detaching from running screen and then running screen -ls. Past discussion http://sourceware.org/ml/cygwin/2017-05/msg00448.html mid:16810313565.20170527142723@yandex.ru >> To reproduce this: >> (1) Start screen in mintty window. >> (2) Detatch from the screen (Ctrl-A d). >> (3) Login via ssh. >> (4) Attach screen by 'screen -r' in ssh session. >> (5) Detach from the screen (Ctrl-A d). >> (6) screen freezes and is not terminated normally. >> This does not occur if the user does not belong to >> Administrators group. >> I guess this is a problem of setuid codes. -- With best regards, Andrey Repin Thursday, March 7, 2019 18:22:43 Sorry for my terrible english... -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple