In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nr_requests grown Allocate and free sched_tags while queue is freezed can deadlock[1], this is a long term problem, hence allocate memory before freezing queue and free memory after queue is unfreezed. [1] https://lore.kernel.org/all/[email protected]/
https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1
https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae