X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=mm%2Fkmemleak.c;h=e5355a5b423fa9fd61a77ebf7b94819ec2e199df;hb=c636e176d8e5afe2f3b3e3f1de33ec13f1cee308;hp=a5e453cf05c499cf5c7eeb9b66ce14936d4494fd;hpb=2778556474b1996aa68ae61619386b8802733bd8;p=cascardo%2Flinux.git

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index a5e453cf05c4..e5355a5b423f 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1453,8 +1453,11 @@ static void kmemleak_scan(void)
 
 		read_lock(&tasklist_lock);
 		do_each_thread(g, p) {
-			scan_block(task_stack_page(p), task_stack_page(p) +
-				   THREAD_SIZE, NULL);
+			void *stack = try_get_task_stack(p);
+			if (stack) {
+				scan_block(stack, stack + THREAD_SIZE, NULL);
+				put_task_stack(p);
+			}
 		} while_each_thread(g, p);
 		read_unlock(&tasklist_lock);
 	}