From ecdd47f0c5dfec4b205619b58a55aaa6b50f3684 Mon Sep 17 00:00:00 2001
From: liuwenxin <liuwenxin11@huawei.com>
Date: Tue, 7 Mar 2023 15:05:54 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BD=BF=E7=94=A8vprintf=E6=9D=A5=E6=89=93?=
 =?UTF-8?q?=E5=8D=B0va=5Flist=E7=B1=BB=E5=9E=8B?=
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Signed-off-by: liuwenxin <liuwenxin11@huawei.com>
---
 kernel/src/los_init.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/kernel/src/los_init.c b/kernel/src/los_init.c
index e5ed4b32..eba1a3c8 100644
--- a/kernel/src/los_init.c
+++ b/kernel/src/los_init.c
@@ -37,6 +37,7 @@
 #include "los_mux.h"
 #include "los_queue.h"
 #include "los_sem.h"
+#include "securec.h"
 
 #if (LOSCFG_PLATFORM_HWI == 1)
 #include "los_interrupt.h"
@@ -95,6 +96,8 @@
 #include "los_trace_pri.h"
 #endif
 
+#define BUFSIZE 256
+
 /*****************************************************************************
  Function    : LOS_Reboot
  Description : system exception, die in here, wait for watchdog.
@@ -110,10 +113,14 @@ LITE_OS_SEC_TEXT_INIT VOID LOS_Reboot(VOID)
 
 LITE_OS_SEC_TEXT_INIT VOID LOS_Panic(const CHAR *fmt, ...)
 {
+    char buf[BUFSIZE] = { 0 };
     va_list ap;
     va_start(ap, fmt);
-    PRINT_ERR(fmt, ap);
+    int len = vsnprintf_s(buf, sizeof(buf), BUFSIZE - 1, fmt, ap);
     va_end(ap);
+    if (len > 0) {
+        PRINT_ERR("%s\n", buf);
+    }
     OsDoExcHook(EXC_PANIC);
 #if (LOSCFG_BACKTRACE_TYPE != 0)
     LOS_BackTrace();