1 files changed, 1 insertions, 0 deletions
diff --git a/blockjob.c b/blockjob.c
index 58c5d64539..807f992b59 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -485,6 +485,7 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
     BlockJob *job;
     int ret;
     GLOBAL_STATE_CODE();
+    GRAPH_RDLOCK_GUARD_MAINLOOP();
 
     if (job_id == NULL && !(flags & JOB_INTERNAL)) {
         job_id = bdrv_get_device_name(bs);