As we now use times to trigger again instead of decreasing timers, ensure our lease fits. We may wish to revisit this again if we need decreasing timers once more.

1 files changed, 5 insertions, 0 deletions

diff --git a/eloop.c b/eloop.c
index 8f601349..4b9b6b6a 100644
--- a/eloop.c
+++ b/eloop.c
@@ -117,6 +117,11 @@ add_timeout_tv(const struct timeval *when,
 
 	get_monotonic(&now);
 	timeradd(&now, when, &w);
+	/* Check for time_t overflow. */
+	if (timercmp(&w, &now, <)) {
+		errno = ERANGE;
+		return;
+	}
 
 	/* Remove existing timeout if present */
 	for (t = timeouts; t; t = t->next) {