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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 EDE2DC2D0E4 for ; Tue, 17 Nov 2020 20:29:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87D7520781 for ; Tue, 17 Nov 2020 20:29:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="FG2IAC4b"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ZS4I/54s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726355AbgKQU2f (ORCPT ); Tue, 17 Nov 2020 15:28:35 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:50522 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725774AbgKQU2c (ORCPT ); Tue, 17 Nov 2020 15:28:32 -0500 Message-Id: <20201117202333.869470686@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1605644910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=HIsDjyXeSLNWc9myZP2CX9aTSUUuBu9+OX3PukPNpBU=; b=FG2IAC4brZfwgtuDJxHNa+2yayXz4baTqTda+vPWEjEUXym7LR2hWzjQFvoVlqZG9Z7xf+ VG8Iq5sukJ1fKteneTRreabeUwPcWhhePBnXgyIIFTW19HMg+QL8Grz1uGxpIy6+X98qVP U4nSQeRvHu3ZZuPN6rKyrSDSYyZdZo5MiJ/Bb8MgvP9nbD6LmuxvkXJT5NmhZQD18K+soD r6zB2QUPJrS+CGfF+Q3Nrpht8lNLGgKnBGFKgNt3xYDDT+dlazMfPF+M9x+OVPWGTeYlvs lcazUsHaNNKWYb/lk29FH58ugD6LsUcsPcTiIuD662cFOZmQAAzgV4dEWbv6eQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1605644910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=HIsDjyXeSLNWc9myZP2CX9aTSUUuBu9+OX3PukPNpBU=; b=ZS4I/54shUyhwEEItaNpy5a2joXkWkjrbgX88+oojcgTQU+/3yFx+T/Ji2O/rcKXIXOzLN bkM2OU3ysNdam8DQ== Date: Tue, 17 Nov 2020 21:23:33 +0100 From: Thomas Gleixner To: LKML Cc: Oleg Nesterov , Mark Mossberg , Ingo Molnar , X86 ML , Jann Horn , kyin@redhat.com Subject: [patch v2 0/2] x86/dumpstack: Prevent access to foreign tasks user space MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VGhpcyBpcyB0aGUgc2Vjb25kIHZlcnNpb24gb2YgdGhlIHBhdGNoIHRvIHByZXZlbnQgYWNjZXNz IHRvIGEgZm9yZWlnbgp0YXNrcyB1c2VyIHNwYWNlIGluIGNvcHlfY29kZSgpLiBJdCBhZGRyZXNz ZXMgdGhlIHJldmlldyBjb21tZW50cyBmcm9tCkJvcmlzIGFuZCBhZGRzIGEgbmV3IHBhdGNoIHdo aWNoIHByb3ZpZGVzIGRvY3VtZW50YXRpb24gZm9yCmNvcHlfZnJvbV91c2VyX25taSgpIHRvIGF2 b2lkIGZ1cnRoZXIgY29uZnVzaW9uIGFib3V0IGl0J3MgdXNhZ2UuCgpWMSBjYW4gYmUgZm91bmQg aGVyZToKCiBodHRwczovL2xvcmUua2VybmVsLm9yZy9yLzg3YmxmeHg4cHMuZnNmQG5hbm9zLnRl Yy5saW51dHJvbml4LmRlCgpUaGFua3MsCgoJdGdseAoKCg==