From: Ben RUBSON <ben.rubson@gmail.com>
To: cygwin-developers@cygwin.com, JonY <10walls@gmail.com>
Subject: Re: Cyg32 on Win64 fails with stack-protector
Date: Wed, 20 Jun 2018 16:50:00 -0000 [thread overview]
Message-ID: <F0A87C8A-0D15-4D21-B09F-6BA03F8B6FD7@gmail.com> (raw)
In-Reply-To: <20180529165958.GK3501@calimero.vinschen.de>
On 29 May 2018 18:59, Corinna Vinschen wrote:
> Hi Ben,
>
> On Apr 27 19:12, Ben RUBSON wrote:
>> Hi,
>>
>> We are facing an issue with Cygwin 2.10 32 bits running on Windows 64
>> bits.
>>
>> Issue was found running EncFS FUSE FS using WinFsp.
>>
>> When forking, and calling StartServiceCtrlDispatcher, program fails with
>> 0xC0000028 / STATUS_BAD_STACK.
>>
>> Testing several Cygwin versions reveals that issue was introduced between
>> 2017-11-14 and 2017-12-01.
>> And Bill (WinFsp author) found that compiling with -fno-stack-protector
>> works around the issue.
>>
>> There you can then find the full story and Bill's nice investigation :
>> https://github.com/billziss-gh/winfsp/issues/161
>>
>> Could it be possible something went wrong with Cygwin ?
>>
>> Thank you very much for your support !
>
> Even with Bill's additionl info I have no idea what change in the
> above time frame might be the culprit, especially since no change
> has been made to stack handling.
>
> I suggest to build your own Cygwin and bisect it.
Corinna, could you elaborate please ?
I'm not sure to clearly understand what you mean by bisecting Cygwin.
Thank you !
Ben
next prev parent reply other threads:[~2018-06-20 16:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-27 17:12 Ben RUBSON
2018-05-29 17:01 ` Corinna Vinschen
2018-05-30 19:29 ` Bill Zissimopoulos
2018-05-31 8:19 ` Corinna Vinschen
2018-05-31 13:13 ` Ken Brown
2018-06-01 10:06 ` Corinna Vinschen
2018-06-01 10:50 ` JonY
2018-06-20 16:42 ` Ben RUBSON
2018-06-21 9:43 ` JonY
2018-06-20 16:50 ` Ben RUBSON [this message]
2018-06-20 17:21 ` Ford, Brian
2018-06-21 7:21 ` Corinna Vinschen
2018-06-23 13:50 ` Ben RUBSON
2018-06-25 9:44 ` Corinna Vinschen
2018-06-25 15:36 ` Carter, Mark Andrew (Andy)
2018-06-25 16:08 ` Ben RUBSON
2018-04-27 20:29 Bill Zissimopoulos
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