From: Jens Axboe <axboe@kernel.dk>
To: io-uring@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/1] io_uring/zcrx: fix sgtable leak on mapping failures
Date: Sat, 14 Feb 2026 18:06:34 -0700 [thread overview]
Message-ID: <177111759401.436334.18359471040201613553.b4-ty@kernel.dk> (raw)
In-Reply-To: <de01fd4111d3f89ddbddb70bdd427c741f0cda46.1771091730.git.asml.silence@gmail.com>
On Sat, 14 Feb 2026 22:19:32 +0000, Pavel Begunkov wrote:
> In an unlikely case when io_populate_area_dma() fails, which could only
> happen on a PAGE_POOL_32BIT_ARCH_WITH_64BIT_DMA machine,
> io_zcrx_map_area() will have an initialised and not freed table. It was
> supposed to be cleaned up in the error path, but !is_mapped prevents
> that.
>
>
> [...]
Applied, thanks!
[1/1] io_uring/zcrx: fix sgtable leak on mapping failures
commit: a983aae397767e9da931128ff2b5bf9066513ce3
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2026-02-15 1:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-14 22:19 [PATCH 1/1] io_uring/zcrx: fix sgtable leak on mapping failures Pavel Begunkov
2026-02-15 1:06 ` Jens Axboe [this message]
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