Re: [syzbot] [block?] memory leak in null_init_zoned_dev

[Edward Adam Davis]

#syz test

diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index f8c0fd57e041..fb001d002d17 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -511,6 +511,7 @@ static ssize_t nullb_device_power_store(struct config_item *item,
 		if (test_and_clear_bit(NULLB_DEV_FL_UP, &dev->flags)) {
 			dev->power = newp;
 			null_del_dev(dev->nullb);
+			null_free_zoned_dev(dev);
 		}
 		clear_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags);
 	}