Re: [Intel-gfx] [PATCH] drm/dp/mst: Remove port after removing connector.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 11 August 2015 at 17:54, Maarten Lankhorst
<maarten.lankhorst@xxxxxxxxxxxxxxx> wrote:
> The port is removed synchronously, but the connector delayed.
> This causes a use after free which can cause a kernel BUG with
> slug_debug=FPZU. This is fixed by freeing the port after the
> connector.

Where is the use after free btw? I'm not sure I like delaying the port
destruction, there should be no need to.

The connector->port pointer shouldn't be used without validation
anywhere, and if it is that is a bug.

I'd like to reproduce this before pulling this in.

Dave.
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux