1 files changed, 4 insertions, 0 deletions
diff --git a/src/sighook.c b/src/sighook.c
index ff5b96f..ece8147 100644
--- a/src/sighook.c
+++ b/src/sighook.c
@@ -584,6 +584,10 @@ done:
 }
 
 void sigunhook(struct sighook *hook) {
+	if (!hook) {
+		return;
+	}
+
 	mutex_lock(&sigmutex);
 
 	struct rcu *rcu = hook->sig ? &rcu_sighooks : &rcu_exithooks;