[libvirt PATCH] qemu: Lock vm object in qemuProcessHandleMemoryFailure

[Jiri Denemark]

This event handler was accessing a vm object without locking it first.

Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
---
 src/qemu/qemu_process.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 033d3d5bc6..6f70d5d065 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -1773,6 +1773,8 @@ qemuProcessHandleMemoryFailure(qemuMonitor *mon G_GNUC_UNUSED,
     virDomainMemoryFailureActionType action;
     unsigned int flags = 0;
 
+    virObjectLock(vm);
+
     switch (mfp->recipient) {
     case QEMU_MONITOR_MEMORY_FAILURE_RECIPIENT_HYPERVISOR:
         recipient = VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_HYPERVISOR;
@@ -1809,6 +1811,9 @@ qemuProcessHandleMemoryFailure(qemuMonitor *mon G_GNUC_UNUSED,
         flags |= VIR_DOMAIN_MEMORY_FAILURE_RECURSIVE;
 
     event = virDomainEventMemoryFailureNewFromObj(vm, recipient, action, flags);
+
+    virObjectUnlock(vm);
+
     virObjectEventStateQueue(driver->domainEventState, event);
 }
 
-- 
2.35.1