On start of corosync, we can receive sync barrier message. If so,
our sync_ring_id is set to NULL, and memcpy of message ring_id will
segfault. Instead of that, sync barrier message is ignored if
sync_ring_id is NULL.
Signed-off-by: Jan Friesse <jfriesse@xxxxxxxxxx>
---
exec/sync.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/exec/sync.c b/exec/sync.c
index 58518ac..42cd11c 100644
--- a/exec/sync.c
+++ b/exec/sync.c
@@ -392,6 +392,12 @@ static void sync_deliver_fn (
sync_endian_convert (req_exec_sync_barrier_start);
}
+ if (sync_ring_id == NULL) {
+ log_printf (LOGSYS_LEVEL_DEBUG,
+ "Initial sync was not yet proceed. Ignoring sync msg\n");
+ return ;
+ }
+
barrier_completed = 1;
memcpy (&deliver_ring_id, &req_exec_sync_barrier_start->ring_id,
--
1.7.1
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