From cf8048baab8dfae64ccfd212981096b673180b35 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 29 Jun 2026 10:59:13 -0700
Subject: [PATCH] Fix Cavium async event queue req_count buffer overflow

---
 wolfcrypt/src/async.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wolfcrypt/src/async.c b/wolfcrypt/src/async.c
index 5048ddc439..7ae35b3901 100644
--- a/wolfcrypt/src/async.c
+++ b/wolfcrypt/src/async.c
@@ -686,6 +686,9 @@ int wolfAsync_EventQueuePoll(WOLF_EVENT_QUEUE* queue, void* context_filter,
                         if (ret != 0) {
                             break;
                         }
+                        /* buffer flushed: restart indexing to avoid writing
+                         * past multi_req.req[CAVIUM_MAX_POLL] */
+                        req_count = 0;
                     }
             #else
                 #if defined(HAVE_INTEL_QA)