kasan: use %px to print addresses instead of %p

Pointers printed with %p are now hashed by default. Kasan needs the
actual address. We can use the new printk specifier %px for this
purpose.

Use %px instead of %p to print addresses.

Signed-off-by: Tobin C. Harding <me@tobin.cc>

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 6bcfb01ba0386e5bf2ec49512321e59a1fac0661..410c8235e671501ab6f6876a13b419b448cc624c 100644 (file)
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -134,7 +134,7 @@ static void print_error_description(struct kasan_access_info *info)
 
        pr_err("BUG: KASAN: %s in %pS\n",
                bug_type, (void *)info->ip);
-       pr_err("%s of size %zu at addr %p by task %s/%d\n",
+       pr_err("%s of size %zu at addr %px by task %s/%d\n",
                info->is_write ? "Write" : "Read", info->access_size,
                info->access_addr, current->comm, task_pid_nr(current));
 }
@@ -206,7 +206,7 @@ static void describe_object_addr(struct kmem_cache *cache, void *object,
        const char *rel_type;
        int rel_bytes;
 
-       pr_err("The buggy address belongs to the object at %p\n"
+       pr_err("The buggy address belongs to the object at %px\n"
               " which belongs to the cache %s of size %d\n",
                object, cache->name, cache->object_size);
 
@@ -225,7 +225,7 @@ static void describe_object_addr(struct kmem_cache *cache, void *object,
        }
 
        pr_err("The buggy address is located %d bytes %s of\n"
-              " %d-byte region [%p, %p)\n",
+              " %d-byte region [%px, %px)\n",
                rel_bytes, rel_type, cache->object_size, (void *)object_addr,
                (void *)(object_addr + cache->object_size));
 }
@@ -302,7 +302,7 @@ static void print_shadow_for_address(const void *addr)
                char shadow_buf[SHADOW_BYTES_PER_ROW];
 
                snprintf(buffer, sizeof(buffer),
-                       (i == 0) ? ">%p: " : " %p: ", kaddr);
+                       (i == 0) ? ">%px: " : " %px: ", kaddr);
                /*
                 * We should not pass a shadow pointer to generic
                 * function, because generic functions may try to