Linux kernel bug fix: writeback, cgroup: remove wb from offline list before releasing refcnt
Subsystem: memory (mm/backing-dev.c)
Bug type: use-after-free, severity: high
Keywords: use after free;null pointer;reference count
Files changed: mm/backing-dev.c
Introduced by Roman Gushchin on 2021-06-29 10:53:48 -0700; fixed by Roman Gushchin on 2021-07-23 17:43:28 -0700 (lifetime: 24 days)