From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 3463837EFF4 for ; Wed, 1 Apr 2026 07:42:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775029347; cv=none; b=ocx/Aiku5zsKBVyUqi0EcbLr2VUv3KDJ1ry8ClKbbEDh1b7fbx5UJ1h+MWHh6siCdPTMyivlcODMngkhXWcFJg9VHyKhJOj9HGSup8ers2ixaZZa5eGa/NQoVBRcc57t5T028edn3IuNFR6Qdwv2KKL+TWLbzWm4DW1Ippar06g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775029347; c=relaxed/simple; bh=JxOAljTa2DeoZoi9HyLXKpuXM46stgo1ie5xuKqUMTw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=me1QSUHSQvYE50go1u2jQ2Bjx+Bz/MJLakc0Lsfpb5lQP0eAQ02S6Gj1xgr3E1L3HZY7sSkEiagHbOMIqlMZTYztqkwga/OT7EbrHsz8JoJkBHfG517AHIaBq4ptE7OYV9xaaHkGtipMJlQOAt1Kcdy1cbFcY9hAgUsUoum1Zf0= 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=209.85.161.71 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-f71.google.com with SMTP id 006d021491bc7-67e44358ce0so2622148eaf.0 for ; Wed, 01 Apr 2026 00:42:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775029344; x=1775634144; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LQimvfhfilJkWCdcO6xdObyHc50JNshKkFeCPbvMI3M=; b=h/1/3vxLnAoRDn5uV6QmIJFJR2Jzitq0f74bd2ZDaxSeEgwyIRkibD1RXlOUsSD+3A KtkOc9SfNN+mbwBYMzpdERVc2MeU0p15A3GGrEIqHjhEH1Errgud9MNgnHORRp+/Gf6K O2FvIhUJh7gUAFdHcwNE1syxRiyJjBHMqfLXsWNSebFertkaO8nWEsmzZOgYeB9//qfG XqISztKXGjb/azP6YBT2mvejcBzpDx/56yvtpdoPGwC8V9ieSMspa2RO9dZr3hDmv6oT set1QViG6EmXeq7OZvSrHAf1ryxaRFZ352+ZKprW2Dg4m0yg7Aw0oBNBLLqeecFOMedi ujkA== X-Gm-Message-State: AOJu0YzZeRxWe6Co2qo/oXSkqN3COLizU5poUEGT/SsZXgiX8TDzBDUB lRFsFLsi2q3DKpAVXuFUSIftmgbj7MiFlrzPYhB03wZ5/NbkGVn9k5lftt8tvD+1EdU9Ab2JomA MVqFmZYuSKNANhioL3Cjz9ZZGvlC0WKc8J4a9s+uKm5bEZ0zhf2k7uZrcGBQ= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:610:b0:67e:3eaa:80ba with SMTP id 006d021491bc7-67fabc0e54amr1225183eaf.15.1775029344253; Wed, 01 Apr 2026 00:42:24 -0700 (PDT) Date: Wed, 01 Apr 2026 00:42:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69cccc60.050a0220.183828.003e.GAE@google.com> Subject: [syzbot] Monthly usb report (Apr 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, 80 issues are still open and 415 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 6855 Yes INFO: task hung in lbs_remove_card https://syzkaller.appspot.com/bug?extid=c99d17aa44dbdba16ad2 <2> 5232 Yes WARNING in usb_free_urb https://syzkaller.appspot.com/bug?extid=b466336413a1fba398a5 <3> 3941 Yes KASAN: use-after-free Read in v4l2_fh_open https://syzkaller.appspot.com/bug?extid=b2391895514ed9ef4a8e <4> 3547 Yes WARNING in cm109_urb_irq_callback/usb_submit_urb https://syzkaller.appspot.com/bug?extid=2d6d691af5ab4b7e66df <5> 2716 Yes possible deadlock in input_inject_event https://syzkaller.appspot.com/bug?extid=79c403850e6816dc39cf <6> 2701 Yes INFO: task hung in usbdev_open (2) https://syzkaller.appspot.com/bug?extid=b73659f5bb96fac34820 <7> 2177 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <8> 1441 Yes WARNING in enable_work https://syzkaller.appspot.com/bug?extid=7053fbd8757fecbbe492 <9> 1436 Yes KASAN: use-after-free Read in em28xx_init_extension (2) https://syzkaller.appspot.com/bug?extid=99d6c66dbbc484f50e1c <10> 1400 No KASAN: vmalloc-out-of-bounds Read in kcov_remote_start https://syzkaller.appspot.com/bug?extid=8a173e13208949931dc7 --- 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.