Linux kernel bug fix: iocost: check active_list of all the ancestors in iocg_activate()
Subsystem: block (block/blk-iocost.c)
Bug type: crash, severity: high
Files changed: block/blk-iocost.c
Introduced by Tejun Heo on 2019-08-28 21:17:12 -0600; fixed by Jiufei Xue on 2019-11-14 13:56:54 -0700 (lifetime: 77 days)