execute elf add executable permissions check. (RT-Thread#7769)

smsxgli · Jul 3, 2023 · 2aa4510 · 2aa4510
1 parent fd3b432
commit 2aa4510
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diff --git 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
@@ -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;