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-rw-r--r--mm/kasan/kasan.c1
-rw-r--r--mm/kasan/kasan.h3
-rw-r--r--mm/kasan/report.c8
3 files changed, 4 insertions, 8 deletions
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
index c99ef40ebdfa..388e812ccaca 100644
--- a/mm/kasan/kasan.c
+++ b/mm/kasan/kasan.c
@@ -584,7 +584,6 @@ void kasan_kmalloc(struct kmem_cache *cache, const void *object, size_t size,
get_alloc_info(cache, object);
alloc_info->state = KASAN_STATE_ALLOC;
- alloc_info->alloc_size = size;
set_track(&alloc_info->track, flags);
}
}
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 31972cdba433..aa175460c8f9 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -75,8 +75,7 @@ struct kasan_track {
struct kasan_alloc_meta {
struct kasan_track track;
- u32 state : 2; /* enum kasan_state */
- u32 alloc_size : 30;
+ u32 state;
};
struct qlist_node {
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 861b9776841a..d67a7e020905 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -136,7 +136,9 @@ static void kasan_object_err(struct kmem_cache *cache, struct page *page,
struct kasan_free_meta *free_info;
dump_stack();
- pr_err("Object at %p, in cache %s\n", object, cache->name);
+ pr_err("Object at %p, in cache %s size: %d\n", object, cache->name,
+ cache->object_size);
+
if (!(cache->flags & SLAB_KASAN))
return;
switch (alloc_info->state) {
@@ -144,15 +146,11 @@ static void kasan_object_err(struct kmem_cache *cache, struct page *page,
pr_err("Object not allocated yet\n");
break;
case KASAN_STATE_ALLOC:
- pr_err("Object allocated with size %u bytes.\n",
- alloc_info->alloc_size);
pr_err("Allocation:\n");
print_track(&alloc_info->track);
break;
case KASAN_STATE_FREE:
case KASAN_STATE_QUARANTINE:
- pr_err("Object freed, allocated with size %u bytes\n",
- alloc_info->alloc_size);
free_info = get_free_info(cache, object);
pr_err("Allocation:\n");
print_track(&alloc_info->track);