[libvirt] [PATCH 1/3] DO NOT APPLY: Simple reproducer for virDomainObjListRemove

Michal Privoznik mprivozn at redhat.com
Tue Mar 19 13:49:34 UTC 2019


This bug demonstrates itself for other objects too, but let's
show it for domains. Assume that dummy.xml contains a valid
domain definition. Then

  1) virsh create dummy.xml && sleep 1
  2) virsh destroy dummy &
  3) virsh create ../dummy.xml

Observe error:
  error: Failed to create domain from dummy.xml
  error: internal error: Duplicate key

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/conf/virdomainobjlist.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/conf/virdomainobjlist.c b/src/conf/virdomainobjlist.c
index a814fc10a3..3631cf16d0 100644
--- a/src/conf/virdomainobjlist.c
+++ b/src/conf/virdomainobjlist.c
@@ -396,6 +396,7 @@ virDomainObjListRemove(virDomainObjListPtr doms,
     dom->removing = true;
     virObjectRef(dom);
     virObjectUnlock(dom);
+    sleep(60);
     virObjectRWLockWrite(doms);
     virObjectLock(dom);
     virDomainObjListRemoveLocked(doms, dom);
-- 
2.19.2




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