linux-kernel - Re: Need help tracking down a bug in the bio-FOLL

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Date:   Tue, 07 Feb 2023 10:44:49 +0000
From:   David Howells <dhowells@...hat.com>
To:     Hillf Danton <hdanton@...a.com>
Cc:     dhowells@...hat.com, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        David Hildenbrand <david@...hat.com>,
        John Hubbard <jhubbard@...dia.com>, linux-mm@...ck.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Need help tracking down a bug in the bio-FOLL_PIN patches

Hillf Danton <hdanton@...a.com> wrote:

> 	pipe_buf_release include/linux/pipe_fs_i.h:183 [inline]
> 	iov_iter_revert.part.0+0x402/0x730 lib/iov_iter.c:935
> 	iov_iter_revert+0x4c/0x60 lib/iov_iter.c:919

Yeah.  That seems to be the problem.

Thanks,
David