From 2aa4510aa8a6133ec0fc36200899289f434cc768 Mon Sep 17 00:00:00 2001
From: geniusgogo <2041245+geniusgogo@users.noreply.github.com>
Date: Mon, 3 Jul 2023 19:25:59 +0800
Subject: [PATCH] execute elf add executable permissions check. (#7769)

---
 components/lwp/lwp.c         | 5 +++++
 components/lwp/lwp_syscall.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/components/lwp/lwp.c b/components/lwp/lwp.c
index a9e34f0921..62fa39e0e7 100644
--- a/components/lwp/lwp.c
+++ b/components/lwp/lwp.c
@@ -1150,6 +1150,11 @@ pid_t lwp_execve(char *filename, int debug, int argc, char **argv, char **envp)
         return -RT_ERROR;
     }
 
+    if (access(filename, X_OK) != 0)
+    {
+        return -EACCES;
+    }
+
     lwp = lwp_new();
 
     if (lwp == RT_NULL)
diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index bc9af4d1fa..e89b2db1c0 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -2246,6 +2246,11 @@ sysret_t sys_execve(const char *path, char *const argv[], char *const envp[])
     int i;
     struct lwp_args_info args_info;
 
+    if (access(path, X_OK) != 0)
+    {
+        return -EACCES;
+    }
+
     lwp = lwp_self();
     thread = rt_thread_self();
     uni_thread = 1;