From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E14B77462 for ; Sun, 25 Aug 2024 03:15:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724555721; cv=none; b=O2jief7GA0twaIkhDzOU+EkGiBElm9sJrdmNNoCCxQWBuYoiWLVSizCG6fAwI/2izl66aiqBWTVRhzOmmM4AaSphvIX04OkJwsqHcuwvo5lPhYEFX4ixuLbyoMGdrPfqIGOsJ02HVdCs4EOH1a320oosWibl+JsBoTSxblAsYP8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724555721; c=relaxed/simple; bh=RK5NfLsyx4eUhsXeDSvEl18nl5lCXp1CulpGwaImu5s=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Tu8a4N9OjpqRt06mVWngxOyYjR0wi2sh8zJu/f7Z6wPCJ3T0REqx3MHt/85fyXemfa6K4SqT7cnmM6WkUtzBjcW8V/nI4VLLt8NmQ4kZdOFPKKj3J2XFVPSUzR6kD925ScWUxR9Jp2dDdYfqW7mumpU9cXXzDEn4m4ni5NoJnoc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-81faf98703eso366217739f.3 for ; Sat, 24 Aug 2024 20:15:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724555719; x=1725160519; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=YWkUy50VSZCVMxhPPIPKFCnvvr9xmzUrWiRrVivNeWI=; b=IDgNW9A7wixHJTmXWSTZcByP+VRqnH3DxRpH7VF6mQVk2f3yO1Ioh0pJ/Yf0d+01jD GXWtnCcnY64G4J6UNNpiz67Lxm8Z7lqmwMR/HkdZoekD99E37m8AQNXhY8xulF85Cfdw KLYAD8thOectuYI9BkrqnmDatTWIt3PZ9Wl6YIiLluGizSwk1XpSc35D6PD4sFM1/Ef5 p5NhTLiJsM/jOBHIUWfZ9DZ/lZnQZuXDOdm1yg9sjivV6F9Agbfz6L9Ro/ePThKIJmrZ hW8UJzRvzUD2XDwTlXhfK7U5uB4GtBH0Y9RDzqG7kljqLfn7CGoncS05nEeVihmn2Lqz 95UA== X-Forwarded-Encrypted: i=1; AJvYcCUxqQYe02zPhtD0MNV02LeO3MqIW2eb838p1XSlA9fHyq0w6H6HxNXVbs2G6aSKgCTaLzAxw5t+yQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yxv3gCK5cgRbcYQewGMspypZo891Fw03r6b7itN14ITaI5cPsoF egFhkDpe4MT2QS1wBDA9BVuwn3kcpm4/5ZtN49tkEP4WWS/LwyA3Yp/d5rw5i1PMxc+0AryqkGI gZaWykuBZ2F6FmXaoT2BpWxWLnoRM2N5OIs4pJNmsQh74s2BX/KuzvrE= X-Google-Smtp-Source: AGHT+IGPJdMqpneQMbl9tfnMnbyjtwds5MJLvjyeXxbxE3Dny2XA8kV5JhbaSqgM3LQ+7nMUmT0pcnuZ1zjbE5J1mPqWBiGO44eF Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c549:0:b0:39b:3c0c:c3a4 with SMTP id e9e14a558f8ab-39e3c985c48mr5170605ab.2.1724555718791; Sat, 24 Aug 2024 20:15:18 -0700 (PDT) Date: Sat, 24 Aug 2024 20:15:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000003a7ed0620796b9d@google.com> Subject: [syzbot] [io-uring?] WARNING in io_sq_thread From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: bb1b0acdcd66 Add linux-next specific files for 20240820 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1363f893980000 kernel config: https://syzkaller.appspot.com/x/.config?x=49406de25a441ccf dashboard link: https://syzkaller.appspot.com/bug?extid=82e078bac56cae572bce compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ebc2ae824293/disk-bb1b0acd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5f62bd0c0e25/vmlinux-bb1b0acd.xz kernel image: https://storage.googleapis.com/syzbot-assets/ddf6d0bc053d/bzImage-bb1b0acd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+82e078bac56cae572bce@syzkaller.appspotmail.com ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x186/0x210 kernel/sched/wait.c:237 WARNING: CPU: 1 PID: 5335 at kernel/sched/core.c:8556 __might_sleep+0xb9/0xe0 kernel/sched/core.c:8552 Modules linked in: CPU: 1 UID: 0 PID: 5335 Comm: iou-sqp-5333 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__might_sleep+0xb9/0xe0 kernel/sched/core.c:8552 Code: 9d 0e 01 90 42 80 3c 23 00 74 08 48 89 ef e8 3e 9d 97 00 48 8b 4d 00 48 c7 c7 c0 60 0a 8c 44 89 ee 48 89 ca e8 b8 01 f1 ff 90 <0f> 0b 90 90 eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 70 ff ff ff RSP: 0018:ffffc900041e7968 EFLAGS: 00010246 RAX: 11f47f6d1cba3d00 RBX: 1ffff110040802ec RCX: ffff888020400000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888020401760 R08: ffffffff8155acc2 R09: fffffbfff1cfa354 R10: dffffc0000000000 R11: fffffbfff1cfa354 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000249 R15: ffffffff8c0ab880 FS: 00007ffbe99d66c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffed4fbfdec CR3: 0000000024c2c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0xc1/0xd70 kernel/locking/mutex.c:752 io_sq_thread+0x1310/0x1c40 io_uring/sqpoll.c:367 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup