From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 A3F9F34106D for ; Wed, 28 Jan 2026 22:39:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769639979; cv=none; b=NxfizvYQq4KfEh/phDKaWJu8Ffi6jU57UoEGxyb7vnNLuM1IrL+xDevzKtgb5MKPVRk2JNRJNWD8DS0itElhU4nrfjNYiozI1xzhgAL+SupdxbPV9t++uikNX61hBzzCwbURRm9cWhQ2Q3+b6ELBD1ZlWMVUp6F3OqrwLe7DjM0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769639979; c=relaxed/simple; bh=irExbNMTYJ2Ht6oGHaUOL1aeZ+3WPLcy+JjvjBo7efo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=bv5d7iNr0ydmRc+yjnxL+ogTWjDLKgHQQp9dbhhdTFwogCqeCnjZAyCHYRy+7XwmSbD64OHK2amEc0DHYkly99woqWmydfyrBxXQkEVJG3f6ywr2rdVqpNqzmezS7SqQQ49wN+X62LQ2gzdYl5GBNs0WQi976PIho60ubAZV/xc= 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=209.85.161.70 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-f70.google.com with SMTP id 006d021491bc7-663006e4c3cso1216245eaf.2 for ; Wed, 28 Jan 2026 14:39:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769639976; x=1770244776; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=vgRYQnWzefrrytdL3mdYGmze1DZawhVUqn+5HRephsg=; b=rT7UmPC2fbMtU1frcps+OJCk0+bX/614AQ4u2g630Npcw/1wyWNtz2EH2Yfui3voZ4 cCXOr978xS+3nd/0y47J5iLww1fJ9sWfh0qrVr+nSp14Sm6OKo1FyD2U8X90W63cjBWJ EnI5Sy343M0WA1Ja3lc0T5P1INqh8fiEEOhwPfTpK793de85fYcbK/RRfMpjk/LZU6f3 kBQB9qkLEj6+iQdzMCZFOUCj36M/5jX+ERSzDZtFFMusdEQHiOOuNzFQIEpDUpeg+LKA HRM7NeCbR7WU+ssFz78elL83+7O208s+peYCulh+m1bQj1YTdFOEY/JXMPS6WzPjive4 frag== X-Gm-Message-State: AOJu0YxgB0JrS7Z+AMji681m40+mPs8deCqdWE5i/pDXtDYGi6iqIRuQ UaJ9hlJUaxSnFEvdbodVbl7UTB/g4gqWsSuioBfh2Wr2JLi8BGnQSwXVND7u6opqZLA6DzrP4pC v19gfXIc2eKay+WjWaUjVJa+oD3YsLMSjzLT3IOXu42pLhGOpSR8pp+fJa6I= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:839a:b0:662:f3f6:bf6b with SMTP id 006d021491bc7-662f3f6bff2mr3406108eaf.80.1769639976618; Wed, 28 Jan 2026 14:39:36 -0800 (PST) Date: Wed, 28 Jan 2026 14:39:36 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <697a9028.a70a0220.9914.000d.GAE@google.com> Subject: [syzbot] Monthly usb report (Jan 2026) From: syzbot To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello usb maintainers/developers, This is a 31-day syzbot report for the usb subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/usb During the period, 4 new issues were detected and 1 were fixed. In total, 84 issues are still open and 409 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 7048 Yes KASAN: use-after-free Read in v4l2_fh_init https://syzkaller.appspot.com/bug?extid=c025d34b8eaa54c571b8 <2> 4608 Yes WARNING in usb_free_urb https://syzkaller.appspot.com/bug?extid=b466336413a1fba398a5 <3> 3403 Yes KASAN: use-after-free Read in v4l2_fh_open https://syzkaller.appspot.com/bug?extid=b2391895514ed9ef4a8e <4> 2251 Yes INFO: task hung in usbdev_open (2) https://syzkaller.appspot.com/bug?extid=b73659f5bb96fac34820 <5> 2242 Yes possible deadlock in input_inject_event https://syzkaller.appspot.com/bug?extid=79c403850e6816dc39cf <6> 2160 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <7> 2111 Yes WARNING in __alloc_workqueue https://syzkaller.appspot.com/bug?extid=392a2c3f461094707435 <8> 1416 Yes KASAN: use-after-free Read in em28xx_init_extension (2) https://syzkaller.appspot.com/bug?extid=99d6c66dbbc484f50e1c <9> 1304 Yes WARNING in enable_work https://syzkaller.appspot.com/bug?extid=7053fbd8757fecbbe492 <10> 964 Yes INFO: task hung in hub_port_init (3) https://syzkaller.appspot.com/bug?extid=b6f11035e572f08bc20f --- 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. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.