Re: [PATCH 6.18.y 1/2] blk-mq: pop cached request if it is usable

Sasha Levin <[email protected]>
Newsgroups org.kernel.vger.stable,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
> [ Upstream commit dc278e9bf2b9513a763353e6b9cc21e0f532954e ]
>
> When submitting a bio to blk-mq, if the task should sleep after peeking
> a cached request, but before it pops it, the plug flushes and calls
> blk_mq_free_plug_rqs, freeing the cached_rqs. This creates a
> use-after-free bug.

Queued the series for 6.18, thanks.

-- 
Thanks,
Sasha
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