From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.17.13]) by sourceware.org (Postfix) with ESMTPS id BCC66395C041 for ; Wed, 2 Dec 2020 14:13:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org BCC66395C041 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=cygwin.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=corinna-cygwin@cygwin.com Received: from calimero.vinschen.de ([24.134.7.25]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MdNTy-1kB88a2D9k-00ZPsU for ; Wed, 02 Dec 2020 15:13:48 +0100 Received: by calimero.vinschen.de (Postfix, from userid 500) id A3F23A80D26; Wed, 2 Dec 2020 15:13:47 +0100 (CET) Date: Wed, 2 Dec 2020 15:13:47 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: cygwin1.dll > 3.1.4: Program execution fails if (WSL-)symlink exists and is present in PATH Message-ID: <20201202141347.GR303847@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <3160909720eb427892eb38221a611953@frims060.wamas.com> <66ac6d01-3ae9-5bd3-46a2-9a4e66647e45@cornell.edu> <20201202133905.6355182479af1f61971dc8a4@nifty.ne.jp> <20201202140557.GQ303847@calimero.vinschen.de> <7c12fbc2-2d45-5b36-d31b-1bc0edc7fb7d@towo.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7c12fbc2-2d45-5b36-d31b-1bc0edc7fb7d@towo.net> X-Provags-ID: V03:K1:fROHO7wNlbkQiQZBIiUBc9btNtbYDPHOyKFkP7/maPqEgkyVwU0 H2udiWIofs1aedpXRLT2+6a/fwKTP5aOjuMZeAqzeWpRM/uOuKCpNUW0Ki8mw5d0yZY62eM FsvxK0o1Kxd3xtiQ2QL8fIGBprP65n4FH9ogxOLFJJAiVH5JapSfN6KfjyvMqureIV+ZOm4 wcq66wwbPe9osUFwxXvcg== X-UI-Out-Filterresults: notjunk:1;V03:K0:NRDPNVzoEk4=:17OMpxQ0prgPFrCQfxxoPm u58AytvBS1D/nvuY5PN3SmjjwoiCDigDjqpFT+12vQOUBUJwt0Shsi1NiFpnIjSgZqJ6yJrEC jkVXDain4uojfOLyiTGNyPPIen9/Uabz3VumWSWky/Jw6AE1ULmTkpWRs2NH6J9oH92iF7a4y 2L6C42Hh5qHX6ze7UMtWjQZUeGEKXoIZGEXry1U75hp9dGJQsiF2y/P/V5CbiIY8JD5UXmR9R UzwEG/ts+xWRURo2A4Arv3VT3thyt/HBCGxE5c0Sc2AzAq5TXBQyp22jy45MCH3TBDJknRA3f oOVFsl6eQIgDnk5/SqLvm46JUzgOsi9bBVMO7hF/eZm7lcssUEMUrffQP3gqXbypxEV9M6kIB kNxpFmvz9kHITLLMYlMfGe573FbGisdAI84zS1xxJ8Fpek+Iok0kvpZrIQd0z51vTYcTea1u5 kZJAMWZpYQ== X-Spam-Status: No, score=-100.6 required=5.0 tests=BAYES_00, GOOD_FROM_CORINNA_CYGWIN, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=ham 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: Wed, 02 Dec 2020 14:13:52 -0000 On Dec 2 15:07, Thomas Wolff wrote: > > > Am 02.12.2020 um 15:05 schrieb Corinna Vinschen: > > On Dec 2 13:39, Takashi Yano via Cygwin wrote: > > > On Tue, 1 Dec 2020 19:13:39 -0500 > > > Ken Brown via Cygwin wrote: > > > > On 12/1/2020 4:24 AM, Mattl Mario wrote: > > > > > Hello, > > > > > > > > > > Since cygwin1.dll version 3.1.5, I observed the following behavior: > > > > > If a symbolic link is existing in the PATH environment, programs (external from Cygwin's system directory) using cygwin1.dll cannot be executed anymore. > > > > > Possibly, because the Cygwin-DLL isn't found anymore. > > > > > > > > > > Steps to reproduce: > > > > > > > > > > cd / > > > > > mkdir link_test > > > > > cp /usr/bin/sed.exe link_test > > > > > ln -s link_test test > > > > > export PATH=/test:/link_test:/usr/bin:/bin > > > > > > > > > > /link_test/sed cannot be executed > > > > > $ ldd /link_test/sed > > > > > ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffffd960000) > > > > > KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL (0x7ffffd140000) > > > > > KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll (0x7ffffa8e0000) > > > > > SYSFER.DLL => /cygdrive/c/WINDOWS/System32/SYSFER.DLL (0x550c0000) > > > > > > > > > > -> no cygwin- DLLs found > > > > > [...] > > > > I think this was fixed by commit 4b4fffe0f2390be6a5be27b6a3ceaa212a3724b2, but I > > > > don't have time to check carefully, and I'm going to be AFK for a few days > > > > starting tomorrow. > > > I can reproduce this issue with current git head even with > > > the commit 4b4fffe0f2390be6a5be27b6a3ceaa212a3724b2. > > Just looking into it. It has something to do with missing to resolve > > a WSL symlinks to a Windows path, but I'm not sure yet where this occurs. > Actually I confirmed the issue too and I did not have to involve WSL, cygwin > ln -s led to the behaviour. WSL isn't involved, WSL symlinks (created by Cygwin) are. Corinna