+#ifdef CONFIG_PROTECTABLE_MEMORY
+void lkdtm_WRITE_RO_PMALLOC(void)
+{
+       struct gen_pool *pool;
+       int *i;
+
+       pool = pmalloc_create_pool("pool", 0);
+       if (unlikely(!pool)) {
+               pr_info("Failed preparing pool for pmalloc test.");
+               return;
+       }
+
+       i = (int *)pmalloc(pool, sizeof(int), GFP_KERNEL);
+       if (unlikely(!i)) {
+               pr_info("Failed allocating memory for pmalloc test.");
+               pmalloc_destroy_pool(pool);
+               return;
+       }
+
+       *i = INT_MAX;
+       pmalloc_protect_pool(pool);
+
+       pr_info("attempting bad pmalloc write at %p\n", i);
+       *i = 0;


Seems harmless, but I don't get why *i local variable needs to be set to 0 at the end of this function.


Otherwise,

Reviewed-by: Jay Freyensee <why2jjj.li...@gmail.com>

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