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-rw-r--r--source3/lib/messages_local.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/source3/lib/messages_local.c b/source3/lib/messages_local.c
index 346cd30b5b..67234d4d76 100644
--- a/source3/lib/messages_local.c
+++ b/source3/lib/messages_local.c
@@ -282,6 +282,9 @@ static NTSTATUS message_notify(struct server_id procid)
*/
SMB_ASSERT(pid > 0);
+ if (pid <= 0) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
if (euid != 0) {
/* If we're not root become so to send the message. */