diff mbox series

[23/32] kasan: use kasan_addr_to_slab in print_address_description

Message ID b53ed1a8acef1f17a8c2f98050d8f43bbc42a806.1655150842.git.andreyknvl@google.com (mailing list archive)
State New
Headers show
Series kasan: switch tag-based modes to stack ring from per-object metadata | expand

Commit Message

andrey.konovalov@linux.dev June 13, 2022, 8:14 p.m. UTC 
From: Andrey Konovalov <andreyknvl@google.com>

Use the kasan_addr_to_slab() helper in print_address_description()
instead of separately invoking PageSlab() and page_slab().

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 mm/kasan/report.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 879f949dc395..1dd6fc8a678f 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -291,12 +291,12 @@  static inline bool init_task_stack_addr(const void *addr)
 static void print_address_description(void *addr, u8 tag)
 {
 	struct page *page = kasan_addr_to_page(addr);
+	struct slab *slab = kasan_addr_to_slab(addr);
 
 	dump_stack_lvl(KERN_ERR);
 	pr_err("\n");
 
-	if (page && PageSlab(page)) {
-		struct slab *slab = page_slab(page);
+	if (slab) {
 		struct kmem_cache *cache = slab->slab_cache;
 		void *object = nearest_obj(cache, slab,	addr);