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Fri, 22 Nov 2024 07:01:29 -0800 (PST) Message-ID: Date: Fri, 22 Nov 2024 15:02:23 +0000 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [io-uring?] WARNING in io_pin_pages To: syzbot , axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <67406232.050a0220.3c9d61.018e.GAE@google.com> Content-Language: en-US From: Pavel Begunkov In-Reply-To: <67406232.050a0220.3c9d61.018e.GAE@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/22/24 10:51, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: ae58226b89ac Add linux-next specific files for 20241118 > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=14a67378580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=45719eec4c74e6ba > dashboard link: https://syzkaller.appspot.com/bug?extid=2159cbb522b02847c053 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137beac0580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177beac0580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/fd3d650cd6b6/disk-ae58226b.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/89a0fb674130/vmlinux-ae58226b.xz > kernel image: https://storage.googleapis.com/syzbot-assets/92120e1c6775/bzImage-ae58226b.xz > > The issue was bisected to: > > commit 68685fa20edc5307fc893a06473c19661c236f29 > Author: Pavel Begunkov > Date: Fri Nov 15 16:54:38 2024 +0000 > > io_uring: fortify io_pin_pages with a warning Seems I wasn't too paranoid. I'll send a fix -- Pavel Begunkov