[Xen-changelog] [xen master] reset runstate_guest handles on soft reset

[patchbot@xxxxxxx]

commit 7ff56b7e4d2d110db93124457cbbdb8c6bee08e6
Author:     Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
AuthorDate: Fri Jan 29 17:50:41 2016 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Jan 29 17:50:41 2016 +0100

    reset runstate_guest handles on soft reset
    
    runstate_guest handles need to be reset to prevent update_runstate_area()
    corrupting guest's memory after we resume the guest.
    
    Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
 xen/common/domain.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/common/domain.c b/xen/common/domain.c
index 2979c1b..603b718 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -1074,7 +1074,10 @@ int domain_soft_reset(struct domain *d)
     grant_table_warn_active_grants(d);
 
     for_each_vcpu ( d, v )
+    {
+        set_xen_guest_handle(runstate_guest(v), NULL);
         unmap_vcpu_info(v);
+    }
 
     rc = arch_domain_soft_reset(d);
     if ( !rc )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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