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AJvYcCUtQ3zML5q+u7pdbHgd37C3STAb5QEyeQs3RyqqXCUzT5Ap3m+lc2816Lrou4wkiVR5YnJrXxlUJw==@vger.kernel.org X-Gm-Message-State: AOJu0Ywsx3elsm/+89h9XExqP11aUjQJuyFQ00YcTKuMWAkZlWkr7PYK MUxW+DEOBCpL58fMj7hWl0Nc0aQ7QqzygJ7aqkRwU+FITyjU1UEDgWYryfgPTIY= X-Gm-Gg: ASbGnctdBhb3k1BNEpmEQZQGYV2yd72dK6Bty8PEURBAz7pUb6McJz2fiNSa4EDzhc0 KMY+/Oso4YtCnBk8K95YPaD0vucQNMzUv+wY4YhaTXcxdfU3EnqqtQeME5X2HSuo696+NSp+tOx Q6b+H8IdLsAJhVdUUvi7jeSYRjZ622j5kS2K//L709JkHkU+Oj5BTgtjV+n1PBvigzWUGPwz0K7 NcecmHlXW/HD5ZGeSeooxC/boRUJJh0VWcpW+AKBEQslaG+SlnJMg== X-Google-Smtp-Source: AGHT+IEEW/98DMG+Ccn7tYKKNnYJKgJFri/6T1fdrEwHE8RgV3wfw0kXF1DnoCWXyGK9Cmsi+zGEAQ== X-Received: by 2002:a17:903:32c1:b0:215:7287:67bb with SMTP id d9443c01a7336-219e6bf8c37mr495064155ad.0.1735593558999; Mon, 30 Dec 2024 13:19:18 -0800 (PST) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-219dc962c1bsm183090255ad.3.2024.12.30.13.19.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Dec 2024 13:19:18 -0800 (PST) Message-ID: <616118a2-e440-45c6-a548-a1cdb1b586f2@kernel.dk> Date: Mon, 30 Dec 2024 14:19:16 -0700 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] [fs?] [io-uring?] WARNING: locking bug in eventfd_signal_mask To: syzbot , asml.silence@gmail.com, bigeasy@linutronix.de, brauner@kernel.org, clrkwllms@kernel.org, io-uring@vger.kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <67710fe0.050a0220.226966.00bd.GAE@google.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <67710fe0.050a0220.226966.00bd.GAE@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/29/24 2:01 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 9b2ffa6148b1 Merge tag 'mtd/fixes-for-6.13-rc5' of git://g.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=128f74c4580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d269ef41b9262400 > dashboard link: https://syzkaller.appspot.com/bug?extid=b1fc199a40b65d601b65 > 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=1469890f980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154b22f8580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/9015cc2b19ac/disk-9b2ffa61.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/3ddeabd5e7eb/vmlinux-9b2ffa61.xz > kernel image: https://storage.googleapis.com/syzbot-assets/36e13b0305d0/bzImage-9b2ffa61.xz > > The issue was bisected to: > > commit 020b40f3562495f3c703a283ece145ffec19e82d > Author: Jens Axboe > Date: Tue Dec 17 15:21:46 2024 +0000 > > io_uring: make ctx->timeout_lock a raw spinlock #syz test: git://git.kernel.dk/linux io_uring-6.13 -- Jens Axboe