From: Alexey Kardashevskiy <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Cc: lexander Viro <[email protected]>,
Jens Axboe <[email protected]>,
[email protected], [email protected]
Subject: Re: [PATCH kernel] fs/io_ring: Fix lockdep warnings
Date: Tue, 1 Dec 2020 18:55:41 +1100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 01/12/2020 03:34, Pavel Begunkov wrote:
> On 30/11/2020 02:00, Alexey Kardashevskiy wrote:
>> There are a few potential deadlocks reported by lockdep and triggered by
>> syzkaller (a syscall fuzzer). These are reported as timer interrupts can
>> execute softirq handlers and if we were executing certain bits of io_ring,
>> a deadlock can occur. This fixes those bits by disabling soft interrupts.
>
> Jens already fixed that, thanks
>
> https://lore.kernel.org/io-uring/[email protected]/T/#t
Oh good! I assumed it must be fixed somewhere but could not find it
quickly in the lists.
> FYI, your email got into spam.
Not good :-/ Wonder why... Can you please forward my mail in attachment
for debugging (there should be nothing private, I guess)? spf should be
alright, not sure what else I can do. Thanks,
--
Alexey
prev parent reply other threads:[~2020-12-01 7:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 2:00 [PATCH kernel] fs/io_ring: Fix lockdep warnings Alexey Kardashevskiy
2020-11-30 16:34 ` Pavel Begunkov
2020-12-01 7:55 ` Alexey Kardashevskiy [this message]
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