Re: [PATCH v2] mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock

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On Tue, 4 Apr 2023 23:31:58 +0900 Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:

> syzbot is reporting circular locking dependency which involves
> zonelist_update_seq seqlock [1], for this lock is checked by memory
> allocation requests which do not need to be retried.

I queued this, along with a note that an updated changelog is likely.

Do we feel that a -stable backport is warranted?  I think so, from your
earlier comments.  Please add the cc:stable to the changelog in this
situation.





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