From 4dc8563b0ecf054d63213ef242410aef5a2b9b8a Mon Sep 17 00:00:00 2001
From: y30015170 <1169998606@qq.com>
Date: Mon, 18 Aug 2025 18:32:05 +0800
Subject: [PATCH] =?UTF-8?q?Description:=20=E4=BA=92=E6=96=A5=E9=94=81?=
 =?UTF-8?q?=E6=A8=A1=E5=9D=97=E6=95=B4=E6=95=B0=E6=BA=A2=E5=87=BA=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=20IssueNo:=20https://gitee.com/openharmony/kernel=5Fl?=
 =?UTF-8?q?iteos=5Fa/issues/ICMAMC=20Feature=20or=20Bugfix:=20Bugfix=09~?=
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---
 kernel/base/ipc/los_mux.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/base/ipc/los_mux.c b/kernel/base/ipc/los_mux.c
index fa4a67b8..2d9df33c 100644
--- a/kernel/base/ipc/los_mux.c
+++ b/kernel/base/ipc/los_mux.c
@@ -309,7 +309,9 @@ STATIC UINT32 OsMuxPendOp(LosTaskCB *runTask, LosMux *mutex, UINT32 timeout)
     }
 
     if (((LosTaskCB *)mutex->owner == runTask) && (mutex->attr.type == LOS_MUX_RECURSIVE)) {
-        mutex->muxCount++;
+        if (mutex->muxCount < 0xFFFF) {
+            mutex->muxCount++;
+        }
         return LOS_OK;
     }
 
-- 
Gitee