path-util: make find_executable() work without /proc mounted

Follow-up for 888f65a. Hopefully fixes systemd#20514.
yuwata · Aug 22, 2021 · 2567dba · 2567dba
1 parent fd6422b
commit 2567dba
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/basic/path-util.c b/src/basic/path-util.c
@@ -630,7 +630,11 @@ static int check_x_access(const char *path, int *ret_fd) {
                 return r;
 
         r = access_fd(fd, X_OK);
-        if (r < 0)
+        if (r == -ENOSYS) {
+                /* /proc is not mounted. Fallback to access(). */
+                if (access(path, X_OK) < 0)
+                        return -errno;
+        } else if (r < 0)
                 return r;
 
         if (ret_fd)