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| Message-ID: | <5DF53F90.70302@gmail.com> |
| Date: | Sat, 14 Dec 2019 20:01:20 +0000 |
| From: | vadim <vadim DOT goryunov AT gmail DOT com> |
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| To: | cygwin AT cygwin DOT com |
| Subject: | Re: cygwin64 OpenSSH_8.1p1 client segmentation fault |
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Thanks. Do you think the fact that 32bit version is working fine (more or less) and the previous ssh 64 bit version (I suspect this was the version before Sep 2019, but I can't say for sure as Cygwin does not leave any traces of the previous version I used before the upgrade) was working without any issues still suggests BLODA? I think logically this is caused by new ssh version (which probably interfere with some of the other libs) rather than my specific setup. I mean - setup may cause the issue, but the previous version was working fine with this setup, so this looks like a regression (i.e. new version is more demanding or more restrictive in terms of surrounding environment). Is there a way I can rollback to ssh version before 8.0p1-2 (the oldest I see now in cygwin64) to prove the point (or at least continue using the working for me version)? /From/: Eliot Moss <moss at cs dot umass dot edu> My cygwins (32 and 64 bit) report exactly the same for uname -a and ssh -V, yet all works fine for me. This suggests BLODA or some different networking setup of some kind. Not sure this positive report narrows down much, but it's a data point for you ... Eliot Moss On 14/12/2019 16:12, vadim wrote: > I have just installed the latest cygwin32 and cygwin64 from scratch > into new folders. > > Tried ssh client in both. > > The result is: > > - cygwin32 CYGWIN_NT-6.1-WOW 3.0.7(0.338/5/3) 2019-04-30 18:04 i686 > ssh works, but it hangs after I disconnect myself. I have to kill ssh > process to continue the cygwin session. > > - cygwin64 CYGWIN_NT-6.1-WOW 3.0.7(0.338/5/3) 2019-04-30 18:04 x86_64 > ssh dies immediately after the connection is established using > ssh-keys (i.e. after a successful login) > > Both has version: > OpenSSH_8.1p1, OpenSSL 1.1.1d 10 Sep 2019 > > Vadim > > > On 14/12/2019 14:08, vadim wrote: >> Hi, >> >> I have recently upgraded Cygwin packages. After the upgrade ssh >> client stopped working. >> It connects and logins using ssh keys as normal, but then the >> connection is immediately dropped (ssh client process dies and >> segfaults under strace). >> This is definitely not the server side issue as I have an old >> cygwin32 version (on the same PC) where ssh client logins to the same >> server with the same ssh-keys just fine. >> I am also able to connect using putty with same ssh-keys. >> >> I was trying to rollback my installation of Cygwin, but unfortunately >> setup-x86_64.exe does not offer this possibility. >> Please help me rolling back to some version of Cygwin where ssh >> client is working. >> I tried all 3 versions of ssh and ssl that are available. Tried >> re-installing OpenSSH and OpenSSL packages, but nothing helps. >> >> This 64-bit latest version is not working: >> $ ssh -V >> OpenSSH_8.1p1, OpenSSL 1.1.1d 10 Sep 2019 >> >> This is working 32bit version: >> $ ssh -V >> OpenSSH_6.1p1, OpenSSL 1.0.1e 11 Feb 2013 >> >> ssh session logs attached: >> >> ssh-session-1.log - connection to host in known_hosts - without >> questions, login is ok, then immediate disconnect. >> >> ssh-session-1.vvv.log - same but ssh -vvv option used >> >> ssh-session-1-strace.log - same under strace >> >> ssh-V.strace.log - running ssh -V and strace ssh -V (which also crashes) >> >> see also cygcheck.out >> >> thanks in advance for any help, >> Vadim Goryunov >> > -- 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
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