linux-kernel - Re: [PATCH] io_uring/rw: Free iovec before cleaning async data

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Message-Id: <171707991426.532351.6222913434182120695.b4-ty@kernel.dk>
Date: Thu, 30 May 2024 08:38:34 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Pavel Begunkov <asml.silence@...il.com>, 
 Breno Leitao <leitao@...ian.org>
Cc: leit@...a.com, io-uring@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] io_uring/rw: Free iovec before cleaning async data


On Thu, 30 May 2024 07:23:39 -0700, Breno Leitao wrote:
> kmemleak shows that there is a memory leak in io_uring read operation,
> where a buffer is allocated at iovec import, but never de-allocated.
> 
> The memory is allocated at io_async_rw->free_iovec, but, then
> io_async_rw is kfreed, taking the allocated memory with it. I saw this
> happening when the read operation fails with -11 (EAGAIN).
> 
> [...]

Applied, thanks!

[1/1] io_uring/rw: Free iovec before cleaning async data
      commit: e112311615a24e1618a591c73506571dc304eb8d

Best regards,
-- 
Jens Axboe