Linux kernel bug fix: blk-mq: check q->poll_stat in queue_poll_stat_show
Subsystem: block (block/blk-mq-debugfs.c)
Bug type: crash, severity: high
Files changed: block/blk-mq-debugfs.c
Introduced by Jens Axboe on 2021-11-29 06:38:35 -0700; fixed by Ming Lei on 2021-12-02 08:20:49 -0700 (lifetime: 3 days)