target/linux/patches/3.4.113/module-alloc-size-check.patch

   1 https://dev.openwrt.org/browser/trunk/target/linux/generic/patches-3.3/340-module_alloc_size_check.patch?rev=30813
   2 --- a/kernel/module.c
   3 +++ b/kernel/module.c
   4 @@ -2322,12 +2322,15 @@
   5
   6  void * __weak module_alloc(unsigned long size)
   7  {
   8 -       return size == 0 ? NULL : vmalloc_exec(size);
   9 +       return vmalloc_exec(size);
  10  }
  11
  12  static void *module_alloc_update_bounds(unsigned long size)
  13  {
  14 -       void *ret = module_alloc(size);
  15 +       void *ret = NULL;
  16 +
  17 +       if (size)
  18 +               ret = module_alloc(size);
  19
  20         if (ret) {
  21                 mutex_lock(&module_mutex);