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tools/xenstored: Avoid dereferencing a NULL pointer if LiveUpdate is …
…failing In case of failure in do_lu_start(), XenStored will first free lu_start and then try to dereference it. This will result to a NULL dereference as the destruction callback will set lu_start to NULL. The crash can be avoided by freeing lu_start *after* the reply has been set. Fixes: af216a9 ("tools/xenstore: add the basic framework for doing the live update") Signed-off-by: Julien Grall <jgrall@amazon.com> Reviewed-by: Juergen Gross <jgross@suse.com> Release-Acked-by: Ian Jackson <iwj@xenproject.org>
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