From: Eric Biggers <ebiggers@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Benjamin LaHaise <bcrl@kvack.org>,
linux-aio@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, Ramji Jiyani <ramjiyani@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Martijn Coenen <maco@android.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v2 0/5] aio: fix use-after-free and missing wakeups
Date: Tue, 7 Dec 2021 11:10:15 -0800 [thread overview]
Message-ID: <Ya+xl9peAAMiMCqa@sol.localdomain> (raw)
In-Reply-To: <20211207111758.GB18554@lst.de>
On Tue, Dec 07, 2021 at 12:17:58PM +0100, Christoph Hellwig wrote:
> On Tue, Dec 07, 2021 at 01:57:21AM -0800, Eric Biggers wrote:
> > This series fixes two bugs in aio poll, and one issue with POLLFREE more
> > broadly. This is intended to replace
> > "[PATCH v5] aio: Add support for the POLLFREE"
> > (https://lore.kernel.org/r/20211027011834.2497484-1-ramjiyani@google.com)
> > which has some bugs.
> >
> > Careful review is appreciated; the aio poll code is very hard to work
> > with, and I don't know of an easy way to test it. Suggestions of any
> > aio poll tests to run would be greatly appreciated.
>
> libaio has a test for aio poll (test 22).
Great, it doesn't look very comprehensive but at least it is something. I ran
the whole libaio test suite (including that test), and all the tests pass both
before and after this patch series.
- Eric
next prev parent reply other threads:[~2021-12-07 19:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 9:57 [PATCH v2 0/5] aio: fix use-after-free and missing wakeups Eric Biggers
2021-12-07 9:57 ` [PATCH v2 1/5] wait: add wake_up_pollfree() Eric Biggers
2021-12-07 9:57 ` [PATCH v2 2/5] binder: use wake_up_pollfree() Eric Biggers
2021-12-07 19:11 ` Eric Biggers
2021-12-07 9:57 ` [PATCH v2 3/5] signalfd: " Eric Biggers
2021-12-07 9:57 ` [PATCH v2 4/5] aio: keep poll requests on waitqueue until completed Eric Biggers
2021-12-07 9:57 ` [PATCH v2 5/5] aio: fix use-after-free due to missing POLLFREE handling Eric Biggers
2021-12-07 11:17 ` [PATCH v2 0/5] aio: fix use-after-free and missing wakeups Christoph Hellwig
2021-12-07 19:10 ` Eric Biggers [this message]
2021-12-07 23:24 ` Linus Torvalds
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