Re: [syzbot] [kernel?] possible deadlock in binder_alloc_free_page

[Hillf Danton]

On Sat, 11 Jan 2025 02:30:22 -0800
> syzbot found the following issue on:
> 
> HEAD commit:    7b4b9bf203da Add linux-next specific files for 20250107
> git tree:       linux-next
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10302dc4580000

#syz test

--- x/drivers/android/binder_alloc.c
+++ y/drivers/android/binder_alloc.c
@@ -1247,9 +1247,10 @@ void binder_alloc_init(struct binder_all
 
 int binder_alloc_shrinker_init(void)
 {
+	static struct lock_class_key key;
 	int ret;
 
-	ret = list_lru_init(&binder_freelist);
+	ret = __list_lru_init(&binder_freelist, false, &key, NULL);
 	if (ret)
 		return ret;
 
--