From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) (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 3230B30EF63 for ; Thu, 20 Aug 2026 06:59:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787209147; cv=none; b=asBfx+A/4sLoGc5BTSyCYyNsO0KGUY5OFpdcL6C5+6VBnLsmEFhpOay4ZLh8fydKA3CNHVoioymmbw/70ax6jReb/4ZL++IgkF8As3G6T89azFXSGEB9taWSkLE9LZR63RD7ndXTmfN/SeCKjhTTBQEAw24hj1SY8LSlApUXe4M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787209147; c=relaxed/simple; bh=qR4a7idsLUJ9TCpU16aY6Pl7xAMaMcZ14NwUrAN3Vl8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=J0eq7TNxRrnOV7UESoNQzVInD/XjhVTpFxBzplm5FTzim9Jpog9jVTjVqtxN3FWm1x6julNPiIegumCSqYenCEwF0mB+Sq/vM0x6CtEfXBKk/FeVUhOaVCPVtzmBssWOrDdBAprZDc7yL1o76r20sqXWoaVAx2BO1pRUZJqQqMk= 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=209.85.210.72 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-ot1-f72.google.com with SMTP id 46e09a7af769-7e9fc6dc091so1473862a34.2 for ; Wed, 19 Aug 2026 23:59:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787209145; x=1787813945; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=oppJJRRzVViNGhGanGMWYm2CxvJJnfdDAFVZJggSvgw=; b=oxM8p2cEsu9nLiOoMyzCuDz1c7ZqIVO0IE+pJudTVjT7l2EQOmKrksvyn3jGIoW7or Yn+m+KPwUy/8ifwMQdFvNTEyqUekrVYXN1Fzdd1MxESjF7aGj3bCcnbGdJBxktq2ZrpN RDaIVz8sTL9xJEz/3CzrtwCbRfs22NhtvNZnBQGyxsVwOP7xwAyFhWLGXwVCxXv4fyiG x5u2zVCVmW/6LbgFD+PgwgfLvEuEtOfiBq/XHvfyRp6bSjWstZu4XyMM1E5wdm/DbpEm rjy/Tx5ub/bd+Oz0zVJyozDltYdkha4/9cv26LYKiTUpfZECvcOfpc5C9kUOJR3P7yPg QayQ== X-Forwarded-Encrypted: i=1; AHgh+RrroGd1+oFBMVz/UV9DgojkQSfSh/PTH0Tz/GrJRoi6yTEw+IeE0eXkXRaPEAbe7RfAZtOqB5U9chc=@vger.kernel.org X-Gm-Message-State: AOJu0YxYRvKA0KRUbERoRDEb7ssm8zMaa4Pfh6/zA8NwsgjXM/QWldaM tgWZKPc0lcbkH8NhXTbYelN4WdBu018cV8SyKXdGGCBWwHUfd0eI05ECc7FzgNTa4zIBL4jfVUf 5bgWjHs4weocMHm6mEwypzSZHC3U28r8FzDHLhc/TvolHHfPAl/9DPibBFhk= Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:f00b:b0:6b1:4173:ca4a with SMTP id 006d021491bc7-6b14173dc9fmr7009868eaf.11.1787209145141; Wed, 19 Aug 2026 23:59:05 -0700 (PDT) Date: Wed, 19 Aug 2026 23:59:05 -0700 In-Reply-To: <6a6a966c.86abc875.e5c3d.0053.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a86a5b9.4d75e56a.c9a88.0036.GAE@google.com> Subject: Re: [syzbot] [usb?] kernel BUG in register_netdevice From: syzbot To: balbi@kernel.org, gregkh@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mcgrof@kernel.org, syzkaller-bugs@googlegroups.com, vvs@openvz.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 425b9c7f51c98443db71ad679893725483b21196 Author: Vasily Averin Date: Mon May 2 12:15:51 2022 +0000 memcg: accounting for objects allocated for new netdevice bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1212ba25580000 start commit: e8bf40d15402 Merge tag 'chrome-platform-firmware-v7.3' of .. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1112ba25580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1612ba25580000 kernel config: https://syzkaller.appspot.com/x/.config?x=46f568dd8d795f6 dashboard link: https://syzkaller.appspot.com/bug?extid=85ede281798faf736677 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=156b2549580000 Reported-by: syzbot+85ede281798faf736677@syzkaller.appspotmail.com Fixes: 425b9c7f51c9 ("memcg: accounting for objects allocated for new netdevice") For information about bisection process see: https://goo.gl/tpsmEJ#bisection