Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp499293ybl; Thu, 12 Dec 2019 23:12:17 -0800 (PST) X-Google-Smtp-Source: APXvYqzkBh6By3iLI1hCXlUxp71YJXNgBZdZhL2XCjzU5KIDNPdz2xx0O3al75ACUcc3sqF1UacL X-Received: by 2002:a9d:12ea:: with SMTP id g97mr13392819otg.105.1576221136966; Thu, 12 Dec 2019 23:12:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576221136; cv=none; d=google.com; s=arc-20160816; b=hLQRV8loXbOGR3KoZUu+CO46DOKrkM2ZvvrlBqKhLz2jamElIpD/RCaUlbE2ZhovOK IUlcKmXALMsXJ5ZYJoMRTAIZL5sfrTAP/yRgjhsCTkRm7tzgyoJoZQsOJUgvcrVsic4C boxIRo2z9zNHGsbLbG2ys/YaPBPgmA7Ei/dVJJrDBEmS8XioEHkesPWd+W9aX8KM6dGM idukDAsFm9c1Unixvg/r7wKS6wVkkvVJ2iokzATwz1N8Mi/x/2Wp9fF3JfuYfxUPR6Cr E1/NLo6AD3unqwZfgO066wsr13vMTdbBE9Ia6iSXeUa5OKChb7bBzUiBc96vh4V8frI8 Fhug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:references :organization:in-reply-to:subject:cc:to:from; bh=QWORqc3f+tuJMxH+fEZZ2osKUPmU4danhMnCcm/QBD8=; b=K6NyHirGLtKAtnQ/kVLZFQyTs5O7fiks+dUCG/JGgr7w1W0zGnmJx9wyux8Tjp+Msu eIii84pub6rAQlpMNsULwnNoVr/LUwa9Vt9dHpo0r5MqIHm7Dy857hTrwfCNFlM/xKmW 3UHXAYOg6601OvQl3s9/rPma29yF1CqQgyKVaL5Z/uIiyBM3MdkZWf8ULt99o/wLHfT/ mo19NX7/MSFY+1qX7MWDe/R8gA+UzaZiWPRCYVYBgJ0hO+KrXixmRKbVbcila3pWYFkK VQcoDcpNgofxqw9+fRbLoORrKUYyXEKhkuGGNRf7MdpeSX6d66rFhIskymqosNhIvRrv e0Mg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i11si4739803oto.77.2019.12.12.23.12.04; Thu, 12 Dec 2019 23:12:16 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726029AbfLMHKD (ORCPT + 99 others); Fri, 13 Dec 2019 02:10:03 -0500 Received: from mga01.intel.com ([192.55.52.88]:8694 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725906AbfLMHKC (ORCPT ); Fri, 13 Dec 2019 02:10:02 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2019 23:10:02 -0800 X-IronPort-AV: E=Sophos;i="5.69,308,1571727600"; d="scan'208";a="208368732" Received: from peterhae-mobl.ger.corp.intel.com (HELO localhost) ([10.252.49.100]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2019 23:09:58 -0800 From: Jani Nikula To: Vince Weaver , linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Joonas Lahtinen , Rodrigo Vivi Subject: Re: [perf] perf_fuzzer triggers NULL pointer derefernce in i915 driver In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: Date: Fri, 13 Dec 2019 09:09:59 +0200 Message-ID: <87tv641z20.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Dec 2019, Vince Weaver wrote: > with current git the perf_fuzzer was able to trigger this NULL pointer > de-reference in the i915 driver. Please file a bug. https://gitlab.freedesktop.org/drm/intel/wikis/How-to-file-i915-bugs BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center