WARNING in exfat_bdev_read

Hello, syzbot found the following crash on: HEAD commit:b9d3d014 Add linux-next specific files for 20191122 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12348dcee0 kernel config: https://syzkaller.appspot.com/x/.config?x=6c24c45ce29b175c

staging: most: configfs: PAGE_SIZE char arrays?

drivers/staging/most/configfs.c:struct mdev_link { drivers/staging/most/configfs.c-struct config_item item; drivers/staging/most/configfs.c-struct list_head list; drivers/staging/most/configfs.c-bool create_link; drivers/staging/most/configfs.c-bool destroy_link;