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Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC
From: |
Michael Tokarev |
Subject: |
Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC |
Date: |
Fri, 09 Nov 2012 13:06:21 +0400 |
User-agent: |
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:10.0.10) Gecko/20121028 Icedove/10.0.10 |
On 09.11.2012 13:00, Michael Tokarev wrote:
> On 09.11.2012 03:55, BALATON Zoltan wrote:
>> On Thu, 8 Nov 2012, Gerd Hoffmann wrote:
>>>> I think this is fixing this at the wrong level. Either we
>>>> should require that drivers (in this case vmware_vga.c)
>>>> must not call dpy_gfx_update() with out of range values,
>>>> or we should do the clipping in the console.c layer, but
>>>> I don't think requiring every UI backend to clip is the
>>>> right thing. Anthony?
>>>
>>> Agree. IMHO vmware_vga.c is at fault here and should be fixed. We can
>>> add some asserts to console.[ch] to enforce this ...
>>
>> Would the attached patch help?
>
> I fixed this 2 times, and I remember two other people fixing
> the same thing too already. Lemme find some refs...
>
> http://thread.gmane.org/gmane.comp.emulators.qemu/166064
>
> ---
> Is it the same as https://bugs.launchpad.net/bugs/918791 ?
> At least it appears to be the same theme... But there,
> the patch (https://launchpadlibrarian.net/94916786/qemu-vmware.debdiff)
> also updates width/height. My comment:
> https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/918791/comments/21
> ---
Another reference: the same problem in qxl (Gerd should know this area):
http://thread.gmane.org/gmane.comp.emulators.qemu/171093
this patch is a cleanup, -- the problem has been fixed twice in a row in qxl.
We've 3 fixes for it in vmware now too.
So figuring out the proper level where to fix it is important...
/mjt
- [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerhard Wiesinger, 2012/11/01
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerhard Wiesinger, 2012/11/04
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Peter Maydell, 2012/11/08
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerhard Wiesinger, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Peter Maydell, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Anthony Liguori, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Peter Maydell, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerd Hoffmann, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Marek Vasut, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Peter Maydell, 2012/11/09
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerhard Wiesinger, 2012/11/10
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Marek Vasut, 2012/11/10
- Re: [Qemu-devel] [PATCH] ui/vnc.c: Fix crash with VNC, Gerd Hoffmann, 2012/11/12