linux-kernel - [PATCH v2 0/1] block/null_blk: fix poll request timeout panic

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Message-ID: <20230901120306.170520-1-chengming.zhou@linux.dev>
Date:   Fri,  1 Sep 2023 20:03:05 +0800
From:   chengming.zhou@...ux.dev
To:     axboe@...nel.dk, ming.lei@...hat.com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhouchengming@...edance.com, dhowells@...hat.com
Subject: [PATCH v2 0/1] block/null_blk: fix poll request timeout panic

From: Chengming Zhou <zhouchengming@...edance.com>

Changes in v2:
 - Improve the commit message a little.
 - Add Tested-by from David Howells and Reviewed-by from Ming Lei.

The 't/io_uring -n4 /dev/nullb0' is easy to trigger poll request timeout,
then panic the kernel.

This patch just fix the kernel panic problem in null_blk driver, the
io_uring poll request timeout problem is fixed by Ming Lei [1].

[1] https://lore.kernel.org/io-uring/20230825090959.1866771-3-ming.lei@redhat.com/

Chengming Zhou (1):
  null_blk: fix poll request timeout handling

 drivers/block/null_blk/main.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

-- 
2.41.0