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Wed, 12 May 2021 13:57:01 -0700 (PDT) Subject: Re: [syzbot] WARNING in io_link_timeout_fn To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <0000000000004d849405c227da64@google.com> From: Jens Axboe Message-ID: Date: Wed, 12 May 2021 14:56:44 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <0000000000004d849405c227da64@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 5/12/21 2:28 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 88b06399 Merge tag 'for-5.13-rc1-part2-tag' of git://git.k.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=13c0d265d00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=807beec6b4d66bf1 > dashboard link: https://syzkaller.appspot.com/bug?extid=5a864149dd970b546223 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10436223d00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1715208bd00000 > > The issue was bisected to: > > commit 91f245d5d5de0802428a478802ec051f7de2f5d6 > Author: Jens Axboe > Date: Tue Feb 9 20:48:50 2021 +0000 > > io_uring: enable kmemcg account for io_uring requests Don't think that's right... > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=144fbb23d00000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=164fbb23d00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=124fbb23d00000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5a864149dd970b546223@syzkaller.appspotmail.com > Fixes: 91f245d5d5de ("io_uring: enable kmemcg account for io_uring requests") I think this one is already fixed: #syz test: git://git.kernel.dk/linux-block.git io_uring-5.13 -- Jens Axboe