Re: [PATCH] tools/xenstored: Don't crash xenstored when Live-Update is cancelled

[Juergen Gross <jgross@xxxxxxxx>]

On 17.06.21 19:38, Julien Grall wrote:
> From: Julien GralL <jgrall@xxxxxxxxxx>
>
> As Live-Update is asynchronous, it is possible to receive a request to
> cancel it (either on the same connection or from a different one).
>
> Currently, this will crash xenstored because do_lu_start() assumes
> lu_status will be valid. This is not the case when Live-Update has been
> cancelled. This will result to dereference a NULL pointer and
> crash Xenstored.
Umm, you introduced that bug in "[PATCH 03/10] tools/xenstore: Don't
assume conn->in points to the LU request".

So I think you should fold your fix into that series.


Juergen

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