pthreadpool: let pthreadpool_tevent_job_send() fail with an invalid pool

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/pthreadpool/pthreadpool_tevent.c b/lib/pthreadpool/pthreadpool_tevent.c
index db6d4b2f2e8..0e890cb7ce5 100644
--- a/lib/pthreadpool/pthreadpool_tevent.c
+++ b/lib/pthreadpool/pthreadpool_tevent.c
@@ -301,6 +301,15 @@ struct tevent_req *pthreadpool_tevent_job_send(
 	state->fn = fn;
 	state->private_data = private_data;
 
+	if (pool == NULL) {
+		tevent_req_error(req, EINVAL);
+		return tevent_req_post(req, ev);
+	}
+	if (pool->pool == NULL) {
+		tevent_req_error(req, EINVAL);
+		return tevent_req_post(req, ev);
+	}
+
 	state->im = tevent_create_immediate(state);
 	if (tevent_req_nomem(state->im, req)) {
 		return tevent_req_post(req, ev);