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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 F3CE2C48BDF for ; Tue, 15 Jun 2021 16:26:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1E2F6162A for ; Tue, 15 Jun 2021 16:26:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230489AbhFOQ2o (ORCPT ); Tue, 15 Jun 2021 12:28:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbhFOQ2n (ORCPT ); Tue, 15 Jun 2021 12:28:43 -0400 Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0C3BC061574 for ; Tue, 15 Jun 2021 09:26:38 -0700 (PDT) Received: by mail-lj1-x22f.google.com with SMTP id d13so13747997ljg.12 for ; Tue, 15 Jun 2021 09:26:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=EBFLtpLfl9HP8/ret0EKv7MwCFVe5SQTPS5z/OHIK8Y=; b=bQywYYAF55xi9rfhAvnKFe87fzG8BbK+wEPL75j1aESOYpg9xE0k0jKdUwjK1oGds+ DDutLAOMbJxXVHWnGdupHdWIaY9pFItCIhW18lRJY8T1HRGd8RXiqOovWC7OaC0OiT+9 Wn9yZ0QxaZK/9wUWXqNcBb+mKq4hOXUWRmaGk= 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=EBFLtpLfl9HP8/ret0EKv7MwCFVe5SQTPS5z/OHIK8Y=; b=RTv4QAnBOdRytTl2Sy+YlWdyDXodzzApcB+iztp5wLFzWrjFWtPoG+hXPn4GCjTmSk GX0XhEs0nolQbDK2YhQxFKv8Ufol5gcso3iTerAW/HRSRcecamexPmxPTaWUNhHktRxi PU81DM6Ab+jRbo1rSJCwrvACQUxUw4qkxr+Zb7phuadsQZ9Yn2rhtY/J33d97x88SYdm xtQKXxKepr9FqDT8Pk+SKX6hpzqkheEtSMvtJxRJBZU6fWlRQd652od2g0K0b1MSYn/s 1oIGgby38aH/YfSVridxkZqz9kH4RbFDRqNkoejogqP0c4y66RMJvY44ecUdrdOu0ly/ N6Aw== X-Gm-Message-State: AOAM533c8H6VRkXoULJdb97mY3MPiqjpZS7XQfZmGzj5sKm2hg9sGz9B ycC2OySq9qYeFTskMx7/Pf4A162Q8BNjR4et X-Google-Smtp-Source: ABdhPJxm76pY01a/EX3Xl2V4sOhyYx7qWthfDVzmxyvcdRd/F2juxPqvIGbYvuXYhV+jYYdSemuK8g== X-Received: by 2002:a05:651c:150a:: with SMTP id e10mr376681ljf.215.1623774397122; Tue, 15 Jun 2021 09:26:37 -0700 (PDT) Received: from mail-lj1-f176.google.com (mail-lj1-f176.google.com. [209.85.208.176]) by smtp.gmail.com with ESMTPSA id w17sm297705lfd.126.2021.06.15.09.26.35 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Jun 2021 09:26:36 -0700 (PDT) Received: by mail-lj1-f176.google.com with SMTP id c11so25913392ljd.6 for ; Tue, 15 Jun 2021 09:26:35 -0700 (PDT) X-Received: by 2002:a2e:b618:: with SMTP id r24mr406657ljn.48.1623774395513; Tue, 15 Jun 2021 09:26:35 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Linus Torvalds Date: Tue, 15 Jun 2021 09:26:19 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: NetworkManager fails to start To: Leon Romanovsky Cc: Kees Cook , Christian Brauner , Andrea Righi , stable , linux-netdev Content-Type: multipart/mixed; boundary="0000000000000a60a805c4d070db" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --0000000000000a60a805c4d070db Content-Type: text/plain; charset="UTF-8" On Tue, Jun 15, 2021 at 9:21 AM Leon Romanovsky wrote: > > The commit 591a22c14d3f ("proc: Track /proc/$pid/attr/ opener mm_struct") > that we got in v5.13-rc6 broke our regression to pieces. The NIC interfaces > fail to start when using NetworkManager. Does the attached patch fix it? It just makes the open always succeed, and then the private_data that the open did (that may or may not then have been filled in) is only used on write. Linus --0000000000000a60a805c4d070db Content-Type: text/x-patch; charset="US-ASCII"; name="patch.diff" Content-Disposition: attachment; filename="patch.diff" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kpy9c7n50 IGZzL3Byb2MvYmFzZS5jIHwgNCArKystCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCsp LCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZnMvcHJvYy9iYXNlLmMgYi9mcy9wcm9jL2Jh c2UuYwppbmRleCA3MTE4ZWJlMzhmYTYuLjljYmQ5MTUwMjVhZCAxMDA2NDQKLS0tIGEvZnMvcHJv Yy9iYXNlLmMKKysrIGIvZnMvcHJvYy9iYXNlLmMKQEAgLTI2NzYsNyArMjY3Niw5IEBAIHN0YXRp YyBpbnQgcHJvY19waWRlbnRfcmVhZGRpcihzdHJ1Y3QgZmlsZSAqZmlsZSwgc3RydWN0IGRpcl9j b250ZXh0ICpjdHgsCiAjaWZkZWYgQ09ORklHX1NFQ1VSSVRZCiBzdGF0aWMgaW50IHByb2NfcGlk X2F0dHJfb3BlbihzdHJ1Y3QgaW5vZGUgKmlub2RlLCBzdHJ1Y3QgZmlsZSAqZmlsZSkKIHsKLQly ZXR1cm4gX19tZW1fb3Blbihpbm9kZSwgZmlsZSwgUFRSQUNFX01PREVfUkVBRF9GU0NSRURTKTsK KwlmaWxlLT5wcml2YXRlX2RhdGEgPSBOVUxMOworCV9fbWVtX29wZW4oaW5vZGUsIGZpbGUsIFBU UkFDRV9NT0RFX1JFQURfRlNDUkVEUyk7CisJcmV0dXJuIDA7CiB9CiAKIHN0YXRpYyBzc2l6ZV90 IHByb2NfcGlkX2F0dHJfcmVhZChzdHJ1Y3QgZmlsZSAqIGZpbGUsIGNoYXIgX191c2VyICogYnVm LAo= --0000000000000a60a805c4d070db--