From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f79.google.com (mail-oo1-f79.google.com [209.85.161.79]) (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 CDEE750276 for ; Mon, 9 Feb 2026 00:19:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770596367; cv=none; b=GgEGFzwfiw5xnCny7RXuChNmgpJgsjedhqHzs2PU0mhbRtURnGcpwDKjR+7w4aKa9wbJ6/HFix8qA5ZYI3vphHJfCi/IKQ6QPNdUdRTv5/Xij1yZHTNI9a6IyT8tSCIIpk++LIrzM6WOFGT4oyrptcobhTX46HVFvwy0YcAB4Xw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770596367; c=relaxed/simple; bh=lBZM1xgHxBCUp6TL3dMrIYm5rbLw01Sc4Sl4VrHEz4c=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ioDNK+OSOtcloX2D3csJOcIoMHG7IVkfNOdXkbTJmzbbquPEA+FqF9HpVxyftHRshXeCjSbyIq4eL7BvfhRelQV3t5RbA7GuC8cjDi8SB3ld1WYZL36E2obWUAA3SwXJ+Iu6h6eysOLuSO6K7LmGm9EdncPSqWSf2mPEn56mtzM= 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=209.85.161.79 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-oo1-f79.google.com with SMTP id 006d021491bc7-6630d58662aso21346267eaf.0 for ; Sun, 08 Feb 2026 16:19:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770596366; x=1771201166; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=4y+WWLMCLjTZEHwqj34cXtdE5OheUzgAtMwdsIHOWuo=; b=EtBge54S9hdmIPBsWjN+eCSXKSp8YdxzOqeL+PRrTTiuNKwyKG2hWv3rLSJyYaC/PO sHJlF5eNgTxtEUW8TzypOVxo8C+2vjBbI4l0mco1kzAwQfqv8szlT9hCpINpN3ZxKUBB PeJTJyXHAo1HEc3K+pYCslgP4mNS7BOSh4sw4zduyn97c1AnYtD91x8LVkbA681UnxtC sQwLAFFJG/GOZxteJs20nHdOwBzxob/Wn7upaeSgP2DzdjHrJ/tt9hUgV/u3URRJPAG7 ablQfXEFdTV7dZ3/076hmGAn7RHzXJmx0wM+f/B8bpWxDyKc64dnix/skpnedc/TnG+j aomQ== X-Forwarded-Encrypted: i=1; AJvYcCUUhaf6vB3QsQQFZ49grS9weDKH2fLAhavVwIf9OtO5JZscBRITgiA5hN/MAWam7wDy24sF/Z0=@vger.kernel.org X-Gm-Message-State: AOJu0YzTgfXuEovSAEKT7qm5wt37+ceivnfA1aR3jl80bBxEt5zM0L5j ocAfbo/AAusBZQwyROCiKkIA6q9v8wm+5J8RUECEJ0EQ1DalNdMIgx6d+oV14ek77EEsUcICMmK W60SousMEMxzbVy/1WzkJn+KMxfJ0lKUt9rLkekg8t7+sSOGoVAeqVnoHwtQ= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:180e:b0:662:f347:75ea with SMTP id 006d021491bc7-66d0a380580mr4564359eaf.28.1770596365790; Sun, 08 Feb 2026 16:19:25 -0800 (PST) Date: Sun, 08 Feb 2026 16:19:25 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6989280d.050a0220.3b3015.0063.GAE@google.com> Subject: [syzbot] [kernel?] INFO: task hung in rescuer_thread (3) From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 9a9424c756fe net: usb: sr9700: remove code to drive nonexi.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=17040a52580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2c36acc86fd56a9d dashboard link: https://syzkaller.appspot.com/bug?extid=1d6360305e34d30ab396 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=115d0a5a580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/aca10cd84bc5/disk-9a9424c7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/65bf8ad42e4f/vmlinux-9a9424c7.xz kernel image: https://storage.googleapis.com/syzbot-assets/a69a5e1088ef/bzImage-9a9424c7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1d6360305e34d30ab396@syzkaller.appspotmail.com INFO: task kworker/R-wg-cr:5992 blocked for more than 149 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/R-wg-cr state:D stack:25984 pid:5992 tgid:5992 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: 0x0 (wg-crypt-wg1) Call Trace: context_switch kernel/sched/core.c:5260 [inline] __schedule+0x14ea/0x5050 kernel/sched/core.c:6867 __schedule_loop kernel/sched/core.c:6949 [inline] schedule+0x164/0x360 kernel/sched/core.c:6964 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 worker_detach_from_pool kernel/workqueue.c:2730 [inline] rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560 kthread+0x726/0x8b0 kernel/kthread.c:463 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Showing all locks held in the system: 1 lock held by kworker/R-rcu_g/4: #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline] #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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