From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from conssluserg-01.nifty.com (conssluserg-01.nifty.com [210.131.2.80]) by sourceware.org (Postfix) with ESMTPS id 2AABB388C015 for ; Wed, 21 Apr 2021 10:08:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 2AABB388C015 Received: from Express5800-S70 (v050190.dynamic.ppp.asahi-net.or.jp [124.155.50.190]) (authenticated) by conssluserg-01.nifty.com with ESMTP id 13LA7kEE014351 for ; Wed, 21 Apr 2021 19:07:47 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-01.nifty.com 13LA7kEE014351 X-Nifty-SrcIP: [124.155.50.190] Date: Wed, 21 Apr 2021 19:07:56 +0900 From: Takashi Yano To: cygwin@cygwin.com Subject: Re: Cannot access system32 directory from 32 bit cygwin after the commit 456c3a46 Message-Id: <20210421190756.4f4880925dcd9df499515324@nifty.ne.jp> In-Reply-To: <1204295812.20210421122233@yandex.ru> References: <20210421120457.cd5b6e966288aa62eee1a013@nifty.ne.jp> <1801483573.20210421114900@yandex.ru> <20210421181010.42d88c16ba3c7b1fcee68fbd@nifty.ne.jp> <1204295812.20210421122233@yandex.ru> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.30; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, 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: Wed, 21 Apr 2021 10:08:07 -0000 On Wed, 21 Apr 2021 12:22:33 +0300 Andrey Repin wrote: > Greetings, Takashi Yano! > > > On Wed, 21 Apr 2021 11:49:00 +0300 > > Andrey Repin wrote: > >> Greetings, Takashi Yano! > >> > >> > I noticed the problem that /cygdrive/c/Windows/System32 directory > >> > can be no longer accessed from 32 bit cygwin (WOW64) after the > >> > commit: > >> > >> > commit 456c3a46386f38887407603b2c64b7f63a4871c5 > >> > Author: Corinna Vinschen > >> > Date: Mon Apr 19 14:49:14 2021 +0200 > >> > >> > Cygwin: path_conv: Try to handle native symlinks more sanely > >> > >> > For local paths, add a check if the inner path components contain native > >> > symlinks or junctions. Compare the incoming path with the path returned > >> > by NtQueryInformationFile(FileNameInformation). If they differ, there > >> > must be at least one native symlink or junction in the path. If so, > >> > treat the currently evaluated file as non-existant. This forces > >> > path_conv::check to backtrack inner path components until we eliminated > >> > all native symlinks or junctions and have a normalized path. > >> > >> > Signed-off-by: Corinna Vinschen > >> > >> > Reverting this commit resolves the issue. > >> > >> > 64 bit cygwin does not seem to be affected. Could you please > >> > have a look? > >> > >> How exactly it "can no longer be accessed" ? Is it opening WOW64 System32 or > >> not opening anything at all? > > > If "ls /cygdrive/c/Windows/System32" is executed, the result is: > > ls: cannot access '/cygdrive/c/Windows/System32': No such file or directory > > > Also, if try to execute "cmd.exe" in System32 directory, the result is: > > bash: cmd.exe: command not found. > > Of cource, /cygdrive/c/WINDOWS/system32 exists in the PATH. > > > So I mean "not opening anything at all". > > Just curious, can you access SysNative at the same time? > > ls -l /proc/cygdrive/c/WINDOWS/SysNative/ This directory is also inaccessible. -- Takashi Yano