From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D136C4321A for ; Fri, 28 Jun 2019 16:35:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7FAB92083B for ; Fri, 28 Jun 2019 16:35:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726807AbfF1Qfg (ORCPT ); Fri, 28 Jun 2019 12:35:36 -0400 Received: from mail-lf1-f53.google.com ([209.85.167.53]:35301 "EHLO mail-lf1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726667AbfF1Qfg (ORCPT ); Fri, 28 Jun 2019 12:35:36 -0400 Received: by mail-lf1-f53.google.com with SMTP id a25so4393148lfg.2 for ; Fri, 28 Jun 2019 09:35:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=nwVfPs+vIRBiktClscrgxMmqQM1hwDrGpHuR2rGCVDY=; b=JhSlc5CwdXusuV1a9yss+OEoegTe2Y9xHVKyGztUbCmG7mpiDI+ne6g80d9u4WHGXh jHfxHxuB4Sj4Q2JPWIpUiw1Z785pVXy+Bv/nITV02BCWAnp7SvCMRJSNaplEgNgEoWdg O46CUx+E/ohdtlOsFHsDBAYKQFa2UuVuy0aAWYOBf1phgidVCPVG8HT7h3hDZV4jvbdx oeQdEMYd3W/LE42Ihk/bHO//NXF5NeizuISt00UoDfQCbh8jHNBazsN/ShNmfYMatH7T pmbvb8n8a3lWwpJqWL/0PJJAxedRnS+Dnql0H0ex85uDMWhIoY9aM4oLuw3x68+t65la FBrw== X-Gm-Message-State: APjAAAWP2wOM7jirlfEWexU0w5QldIIYZ3zBDZGZttid+bkad4wM2ezp UN+qL4NNjsHrR2mV81Af0w9lFCmoYBQ3CwiwjysL1jISOIw83w== X-Google-Smtp-Source: APXvYqzJTO1posPWsyifEBPmyg1q49r/NpZ6fZUXRp3qxp05xvQunGF0v2b0fJs5viNlmGejRJivqSb/XkLwXVI68Qc= X-Received: by 2002:ac2:5a01:: with SMTP id q1mr5546835lfn.46.1561739734447; Fri, 28 Jun 2019 09:35:34 -0700 (PDT) MIME-Version: 1.0 From: Matteo Croce Date: Fri, 28 Jun 2019 18:34:58 +0200 Message-ID: Subject: net: check before dereferencing netdev_ops during busy poll To: stable@vger.kernel.org, Sasha Levin Cc: Greg Kroah-Hartman , Josh Elsasser , netdev , LKML Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, Is there any reason for this panic fix not being applied in stable? https://lore.kernel.org/netdev/20180313053248.13654-1-jelsasser@appneta.com/T/ It seems that linux 4.9.184 has the bug too. Regards, -- Matteo Croce per aspera ad upstream