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From: Jens Axboe <[email protected]>
To: [email protected], Stefan Metzmacher <[email protected]>,
	[email protected]
Cc: [email protected]
Subject: Re: [PATCH 1/1] io_uring/net: fix fast_iov assignment in io_setup_async_msg()
Date: Thu, 29 Sep 2022 07:13:02 -0600	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <b2e7be246e2fb173520862b0c7098e55767567a2.1664436949.git.metze@samba.org>

On Thu, 29 Sep 2022 09:39:10 +0200, Stefan Metzmacher wrote:
> I hit a very bad problem during my tests of SENDMSG_ZC.
> BUG(); in first_iovec_segment() triggered very easily.
> The problem was io_setup_async_msg() in the partial retry case,
> which seems to happen more often with _ZC.
> 
> iov_iter_iovec_advance() may change i->iov in order to have i->iov_offset
> being only relative to the first element.
> 
> [...]

Applied, thanks!

[1/1] io_uring/net: fix fast_iov assignment in io_setup_async_msg()
      commit: 3e4cb6ebbb2bad201c1186bc0b7e8cf41dd7f7e6

Best regards,
-- 
Jens Axboe



      parent reply	other threads:[~2022-09-29 13:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <[email protected]>
2022-09-29  7:39 ` [PATCH 1/1] io_uring/net: fix fast_iov assignment in io_setup_async_msg() Stefan Metzmacher
2022-09-29 12:53   ` Pavel Begunkov
2022-09-29 13:13   ` Jens Axboe [this message]

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