Re: [PATCH] floppy: avoid NULL deref in reset_interrupt when cont is cleared

Yang Xiuwei <[email protected]>
Newsgroups org.kernel.vger.linux-block
Message-ID <[email protected]>
Hi Denis,

On 24/07/2026 17:42, Denis Efremov (Oracle) wrote:
> It looks to me that this check closes the exact reported crash, but it doesn't
> fix the root cause of the problem. I think cont can be set here with a valid
> but unrelated continuation while stale reset work is inside result(). We need
> a more generic solution to close the bug here.

Agreed, this patch only avoids the oops and does not fix the underlying
lifetime issue. I went with the simple guard first as a minimal
workaround for the crash we hit.

I will look at a more complete fix for v2. Suggestions welcome if you
have a preferred approach.

Thanks,
Yang Xiuwei
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