linux-kernel - Re: [syzbot] WARNING: refcount bug in mm_update_next

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Message-ID: <8cea8a30-00a9-89aa-704c-44e4c95a3b51@kernel.dk>
Date:   Mon, 16 Jan 2023 11:01:20 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Jann Horn <jannh@...gle.com>,
        syzbot <syzbot+1d4c86ac0fed92e3fc78@...kaller.appspotmail.com>,
        Pavel Begunkov <asml.silence@...il.com>,
        io-uring <io-uring@...r.kernel.org>
Cc:     akpm@...ux-foundation.org, arnd@...db.de, brauner@...nel.org,
        ebiederm@...ssion.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING: refcount bug in mm_update_next_owner

On 1/16/23 10:53 AM, Jann Horn wrote:
> All 5 console logs listed on the syzkaller dashboard for this one have
> io-uring with IORING_OP_POLL_ADD somewhere. Could that be related?

It was just due to a buggy patch that's long since been fixed.

#syz invalid

-- 
Jens Axboe