bug in ivi-share.c: crash when touching local and remote

Mizuno, Wataru (ADITJ/SWG) wmizuno at jp.adit-jv.com
Thu May 11 05:32:36 EDT 2017


Hello Florian,

I am reviewing your PR and also trying to realize the bug. But I cannot reproduce.
Could you tell me your environment(board, ivi-extension version...)?

Best regards,

Wataru Mizuno
ADITJ / SWG

+81-(0)566-56-0946


-----Original Message-----
From: genivi-ivi-layer-management [mailto:genivi-ivi-layer-management-bounces at lists.genivi.org] On Behalf Of florian.haenel
Sent: Monday, May 8, 2017 8:28 PM
To: genivi-ivi-layer-management at lists.genivi.org
Subject: Re: bug in ivi-share.c: crash when touching local and remote

Maybe the mailing list stripped the attachment from my email.

PR is here: https://github.com/GENIVI/wayland-ivi-extension/pull/28


thanks

Florian


On 08.05.2017 12:40, florian.haenel wrote:
> Hi all,
>
> We found a bug when touching both the local and remote screen in a 
> ivi-share setup.
>
> The bug manifests as running through the end of
> seat->touch_state->resource_list without finding the resource with the
> right client.
> This seems to happen because the surface already has focus and is put 
> into touch_state->focus_resource_list instead.
> after the loop target_resource contains an invalid value. My patch is 
> straightforward, but we can debate what should happen in this case.
>
> thanks,
> Florian
>
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