From 1a3e03857e9d839edd610db15eb7981a0fb221c2 Mon Sep 17 00:00:00 2001
From: Scott Vokes <svokes@fastly.com>
Date: Wed, 15 May 2024 15:09:23 -0400
Subject: [PATCH] queue: Fix a read past the end of the queue.

---
 src/adt/queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/adt/queue.c b/src/adt/queue.c
index 95f059ce7..1e5d28e08 100644
--- a/src/adt/queue.c
+++ b/src/adt/queue.c
@@ -51,7 +51,7 @@ queue_push(struct queue *q, fsm_state_t state)
 		 * memmove everything after reading 1. */
 		if (q->rd > 0 && q->rd < q->wr) {
 			memmove(&q->q[0], &q->q[q->rd],
-			    q->rd * sizeof(q->q[0]));
+			    (q->capacity - q->rd) * sizeof(q->q[0]));
 			q->wr -= q->rd;
 			q->rd = 0;
 		} else {