Linux kernel bug fix: block: blkg_destroy_all() should clear q->root_blkg and ->root_rl.blkg
Subsystem: block (block/blk-cgroup.c)
Bug type: use-after-free, severity: security
Keywords: use after free;null pointer
Files changed: block/blk-cgroup.c
Introduced by Tejun Heo on 2015-06-02 08:33:33 -0600; fixed by Tejun Heo on 2015-09-11 09:03:50 -0600 (lifetime: 101 days)