r8169: Avoid memcpy() over-reading of ETH_SS_STATS

[linux-2.6-microblaze.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index feda53a..3f96e09 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -301,6 +301,7 @@ static inline void *get_freepointer_safe(struct kmem_cache *s, void *object)
        if (!debug_pagealloc_enabled_static())
                return get_freepointer(s, object);
 
+       object = kasan_reset_tag(object);
        freepointer_addr = (unsigned long)object + s->offset;
        copy_from_kernel_nofault(&p, (void **)freepointer_addr, sizeof(p));
        return freelist_ptr(s, p, freepointer_addr);
@@ -3828,15 +3829,6 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
 
 static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags)
 {
-#ifdef CONFIG_SLUB_DEBUG
-       /*
-        * If no slub_debug was enabled globally, the static key is not yet
-        * enabled by setup_slub_debug(). Enable it if the cache is being
-        * created with any of the debugging flags passed explicitly.
-        */
-       if (flags & SLAB_DEBUG_FLAGS)
-               static_branch_enable(&slub_debug_enabled);
-#endif
        s->flags = kmem_cache_flags(s->size, flags, s->name);
 #ifdef CONFIG_SLAB_FREELIST_HARDENED
        s->random = get_random_long();