From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BDDC8F58; Thu, 2 Jan 2025 01:50:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735782602; cv=none; b=p+iUEfknsOrjiol2G2G8AqqQ2z16ZYcjAUUoLe3I44G50skrcNmUgx7+cC4jSgoOnpXrQSdVfsvwt3hs6f2IdVXgjPo8ACYPdatI/h19itWF6ASOwdiu+KMPRN52w6TfBV4vU/I1E5qxPi7q69MInhWDu8yvy/Ail/nHEQY+6pg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735782602; c=relaxed/simple; bh=ewUhBs+a5wKT2xgr++ikbOYNpWCsfy8aZOAOYz8HYq0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TPt3TChg72Q6RZuhArKUB14Rdvy3PrM6ko76xCA9t2AUcSrJaf0qcAy+RN/ViZYoiZD0X76T//EWIZ14gtom/JwMbd6Id93h68pDykquHq1t/ag9Lk69F3HMhW40BzsaWE38Z9SddIcBnvcJmGACsfuzMeNMUfPOwxYxxWOhdSE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id AED26C4CECE; Thu, 2 Jan 2025 01:50:00 +0000 (UTC) Date: Wed, 1 Jan 2025 20:49:59 -0500 From: Steven Rostedt To: Thomas =?UTF-8?B?SGVsbHN0csO2bQ==?= Cc: Genes Lists , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, lucas.demarchi@intel.com, stable@vger.kernel.org, regressions@lists.linux.dev, Linus Torvalds Subject: Re: [REGRESSION][BISECTED] Re: 6.12.7 stable new error: event xe_bo_move has unsafe dereference of argument 4 Message-ID: <20250101204959.6e297af6@batman.local.home> In-Reply-To: <5ca1c5b64c313108ea2aa005ae273f1ba8051e7f.camel@linux.intel.com> References: <2e9332ab19c44918dbaacecd8c039fb0bbe6e1db.camel@sapience.com> <9dee19b6185d325d0e6fa5f7cbba81d007d99166.camel@sapience.com> <20241230141329.5f698715@batman.local.home> <20241230145002.3cc11717@gandalf.local.home> <5f756542aaaf241d512458f306707bda3b249671.camel@sapience.com> <20241230160311.4eec04da@gandalf.local.home> <0ef755e06b8f0bf1ee4dfd7e743d6222fd795b70.camel@sapience.com> <5ca1c5b64c313108ea2aa005ae273f1ba8051e7f.camel@linux.intel.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, 01 Jan 2025 21:55:26 +0100 Thomas Hellstr=C3=B6m wrote: > FWIW, we actually worked around this during the holiday in the drm-xe- > next branch in the xe driver since it was breaking our CI. Was planning > to include it for drm-xe-fixes for tomorrow. Since xe appeared to be > the only driver hitting this, our assumption was that it'd be better > fixed in the driver. The driver wasn't broken. I changed the verifier and it incorrectly flagged that driver's trace event as unsafe. Yeah, it's the only driver to use an array of strings, but it doesn't mean it was wrong. -- Steve