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[23.128.96.18]) by mx.google.com with ESMTP id j9si2640851ejk.711.2020.06.27.11.08.03; Sat, 27 Jun 2020 11:08:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=GX2bxF1C; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726561AbgF0SH7 (ORCPT + 99 others); Sat, 27 Jun 2020 14:07:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725900AbgF0SH6 (ORCPT ); Sat, 27 Jun 2020 14:07:58 -0400 Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 772FAC061794; Sat, 27 Jun 2020 11:07:58 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id v8so13015933iox.2; Sat, 27 Jun 2020 11:07:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ZypJVFE6v/3Jo2AiBRXxfrvf66bExjGHXFBsT718YSg=; b=GX2bxF1CEydDQc5wgJcXjloNHjNGMa9Zvm5DRbSodJunGDOTiK0N3rXEbx+uauBI9t JKaNHs36a+aossRbO48Qxa+K1+dFQiCM1RgaMmcMIHcCKn1bZxLYQHajlxNzlcd2rHJB +0kYMKKPmbxUqCKrlg/e4ehbJukcUw6w8I7YaPjaF6MOjIbGS7nKdX8Gi4GxMAE7Swfg jZ42bTOfiwWJtD0EMWDVLl5R01dsgGPs0AjBBI3733bHs1kgfIAods/aNxWrCA1cS+Al mpjjaf8tqVQNbU3Ug2gEeZLXLvIvkS6oyyNdddJPcL/1b11uMegYLlmGZrdtMtHaaZ3o QVig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ZypJVFE6v/3Jo2AiBRXxfrvf66bExjGHXFBsT718YSg=; b=JIum6AK2zsqUk9uGgRzd+O2W0VE9Vt8pZdZzuqza6+hgVGfiotcOROFsDjANw+V7bH zcW+GD1AHGouKcept1EotaVeHl5wP2kZUQFQwA66aAtMpJDMs3L3OVowjOlTOF79quh5 zAt+pmwlnt1feK5JiBcI/GsD/4q0xHGwhlC/8tkNim4OnNZfqU01LR6cHdQ4Y1GCY3G6 IelOZjPZWNNdl7VoMEOA2eAIDYz565SBJFpfUwaYYdQ3+Jzv1MUHGrDCJAzlQI58oYwc JejdnPEaU4QSgWIKuyxOnxJwiinbejlj/4Y9H29MoBbrAFjDC8D86+69ctrYNFpV9rpB gv7Q== X-Gm-Message-State: AOAM530Q6wibyjy44ODhasdZesCsYESB3bN+Buio1y6ikPwHt8iXRC2D kPq3FXK5xLsMqZViElgRGXG+zmjQl/SgBncnbIU= X-Received: by 2002:a05:6602:2f0a:: with SMTP id q10mr9242943iow.134.1593281277227; Sat, 27 Jun 2020 11:07:57 -0700 (PDT) MIME-Version: 1.0 References: <000000000000cf1be105a8ffc44c@google.com> <000000000000d95a0505a910abd1@google.com> In-Reply-To: <000000000000d95a0505a910abd1@google.com> From: Cong Wang Date: Sat, 27 Jun 2020 11:07:47 -0700 Message-ID: Subject: Re: possible deadlock in dev_mc_unsync To: syzbot Cc: Taehee Yoo , David Miller , Jakub Kicinski , LKML , Linux Kernel Network Developers , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz test: https://github.com/congwang/linux.git net