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Subject: Re: Self-compiled xorg-server 1.20.0 crashes at startup, buffer overflow
To: cygwin AT cygwin DOT com
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From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <86847bc0-6588-41c9-7243-6810b8cbc959@gmail.com>
Date: Mon, 30 Jul 2018 18:07:22 +0200
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Am 30.07.2018 um 17:33 schrieb tumtum00:
> Self-compiled xorg-server 1.20.0 crashes at startup, buffer overflow
>
> Hello all,
>
> after building xorg-server 1.20.0 without errors, the XWin binary crashes at startup due to a buffer overflow. XWin 1.20.0 from Cygwin repos works as expected.
>
> Setup:
> - Freshly installed Win7 x86_64 VM
> - Cygwin x86_64
> - Dependencies installed as described in https://x.cygwin.com/docs/cg/prog-build-prerequisites.html, plus xcb-composite-devel
> - Applied the following patches to my Cygwin environment, otherwise the build would fail:
>    https://github.com/cygwinports/cygport/commit/1072fd872757bd7aa97fa8daf95ed13f70f56291
>    https://github.com/cygwinports/cygport/commit/c4e0f0ec5f9a5a691fd19efe2bda3cdf278baef5
> - Downloaded patched xorg-server 1.20.0-2 sources as described in https://x.cygwin.com/docs/cg/prog-obtaining-source.html, "Obtaining via Cygwin setup"
>
> Build:
>    $ cygport --64 xorg-server.cygport prep
>    $ cygport --64 xorg-server.cygport compile
>
> XWin binary
>    /usr/src/xorg-server-1.20.0-2.src/xorg-server-1.20.0-2.x86_64/src/xserver-cygwin-1.20.0-2/x86_64-pc-cygwin/hw/xwin/XWin
> is then executed.
>

what about doing also "install package" and properly install the
resulting binary ?



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