From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.74]) by sourceware.org (Postfix) with ESMTPS id 0909E3983078 for ; Thu, 10 Sep 2020 19:31:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 0909E3983078 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=towo.net Authentication-Results: sourceware.org; spf=none smtp.mailfrom=towo@towo.net Received: from [192.168.178.45] ([95.90.245.244]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPSA (Nemesis) id 1M9WqY-1kD8MM1e68-005bK6 for ; Thu, 10 Sep 2020 21:31:02 +0200 Subject: Re: /dev/p* causes shell crash in i686 To: cygwin@cygwin.com References: <20200909214930.GA4127@calimero.vinschen.de> <9guklf1s4h9bgik1ik916j0ddi6g8ps93h@4ax.com> <02fccd98-5371-2399-ce86-ddd1a545f298@cornell.edu> From: Thomas Wolff X-Tagtoolbar-Keys: D20200910213101521 Message-ID: Date: Thu, 10 Sep 2020 21:31:01 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <02fccd98-5371-2399-ce86-ddd1a545f298@cornell.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:PQdexe/WKvUSriOZTOdzm8eLVHxFjk9BP9GgqjlkIGIIQfH11sx gnCVd2XIXXRJaxMd2NHuQRUd0l5OPx2IftJ1gBdFKAwHmW7OnwC6tMVwZQRuLgkoKtAvWvV vcf+wK6osHEcXZLWcuxRNV0NqMJJHtgYRIypu54GxRD5TQ7fJQBwTRxoSS3Zw/u5RKv4ahq RaMi6OZH59lAXQ/hfOy4Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:tUgkFeQ9LRk=:HFWnFPghYhHBd3Q7HaDXjF MiPffxcGa4/3KKD7V3MXybyO2GS5M6KS/DiMElvAbRQ89GzuKm+rO5waCabK81Fjn0OS2C3iE UOnNUBMkEHZ+C0L1vMcPf2vkwZauYgAAWW5lgUZBqGOzf5WI1Fzje2kJiMwAbPjI76E6HRmOV ePtkv6aVqbZDuVRyGUCO6S37e2YbBaaJSblKPiMmXNj6OtNsw6C85vpRCcaamUBxU405K48aP 2o/VmdY1ktNTVfwmHZEeM9XMyhW08vIiSrhyEH1dNvqxLIQMnEeEx2lZTEgLfh9L9GINFlSmS 0/fFf5wys2w4QUwnY6bm4HX2Blm+au/oZZaDsrLATAXfB92yXGtNmUt7PVW0wFMYkFn6XO9M3 25NjmQROZYPQ0tapTBncmNbniMt1JlHzSqIVS8cj4XvOLOpenXDvU7zKlXpmGmPH/esXOB2fC kQXavjindwHQuLXSTJWnc+wOaW4lPTn6fwZJdwODbWFA5fbQRlP7oWB1avdzgPAyqohudmrN6 V7xV1rdNwhfMNQauMfRze4sVlzWvyf/850ZBzplC+i3GGenlxm36oEDfrD8cisaVm4eWucBJ2 677So4DZrmCdtDMBpFrEUSggyLfkCpkHIiqwe3aRJFf438dfh61O793uc7cThcV8DoRnaM3t7 FNpnNAnezJYMTQl9kjI3tLS5bCPfIUgKgfqwOQ6a1tYA1ASyyMLVkq2BPedJh/ECOzfxLl3Gv BYoGrc25D5psis8wbnCxfEjRgOJRTKDVXl2+RI3hEUUelJo2wG4ViFsM+WqYrSeMSNnp8Q2ci bM5jIH667SWogyU6IiNLaBx5YYnTmP2weczBbHOSDETsoNOHZQD/dR/VGoFXXyK33sdG5Xt0W yO7KBQK7faweOrnNI8YYLQW6a2qMrGtqgnKoJKRVn0HUqm99DTJ4RbjH3itLeTr6JJ32nM71v EIxNfZnYMFxFFm5+sma4+7cmPTX0EHOXXWniWSzVo4qwkOrS4QJ3QjZZ5m5l/DwueQ+LgdNbV 8kE88hJ/RK0X8lt/I3xKoSM= X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, KAM_NUMSUBJECT, NICE_REPLY_A, RCVD_IN_ABUSEAT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Sep 2020 19:31:06 -0000 Am 10.09.2020 um 21:19 schrieb Ken Brown via Cygwin: > On 9/10/2020 3:15 PM, Andrew Schulman via Cygwin wrote: >>> On Sep  9 08:08, Andrew Schulman via Cygwin wrote: >>>> Here's a strange one. In bash in i686, try to run: >>>> >>>> ls /dev/ptmx >>>> >>>> I only get about as far as: >>>> >>>> ls /dev/p >>>> >>>> and then my terminal window vanishes. This happens: >>>> >>>> * In fish or bash. >>>> * On two different hosts that I've tried. >>>> * In mintty or a system terminal. In the system terminal, sometimes >>>> the >>>> command works normally the first time, but fails the 2nd time; or I >>>> have to >>>> press after `ls /dev/p`, then the terminal vanishes. >>>> * With other commands that treat their arguments as files, not >>>> text. So for >>>> example, I can't finish typing `cat /dev/ptmx` or `test -r /dev/ptmx` >>>> before the terminal window vanishes, but `echo /dev/ptmx` works >>>> normally. >>>> >>>> It doesn't happen: >>>> >>>> * In x86_64 - only i686. >>>> * In scripts - only interactively. >>>> >>>> Is anyone else able to reproduce this? I've tried to capture an >>>> strace log, >>>> but I've failed so far. The strace seems to stop the crash. Still >>>> trying. >>>> >>>> I thought this could be a BLODA problem, but the two hosts I tried are >>>> running different virus scanners (McAfee and Windows Defender). >>>> >>>> Cygwin 3.1.7-1, all packages up-to-date. Output of cygcheck -svr >>>> attached. >>>> >>>> Andrew >>> >>> I think I fixed it.  I just uploaded new developer snapshots to >>> https://cygwin.com/snapshots/  Please give them a try. >> >> When I substitute cygwin1-20090909.dll for cygwin1.dll in i686, I >> can't run >> any commands. They all give "The application was unable to start >> correctly >> (0xc0000022)". Anything different I should be doing? > > Check the permissions on cygwin1-20090909.dll.  Is it executable? cygwin1-20090909.dll is 11 years old. Did you download the latest snapshot?