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Commit 6424f6bb authored by Tobin C. Harding's avatar Tobin C. Harding
Browse files

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: default avatarTobin C. Harding <me@tobin.cc>
parent 7b1924a1

mm/kasan/report.c

+4 −4
Original line number Diff line number Diff line
@@ -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