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 448BA127B5D; Thu, 4 Apr 2024 13:37:38 +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=1712237859; cv=none; b=Eq3O4xUWWsZUUaqHlPXG7/07QVA1nrsHHiEbqNQPkZAtOew9ygPP9A1nf00RlUmBiw2Za0SiAtOjZiG/zZNMel6ksOcg/P7EG9tctbXj/zKC0vjWJzFoIHdJkQohAiTz0SHJVbptYBkJcjS4xHbJDTPT6Zui9w2phflIva3M4lE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712237859; c=relaxed/simple; bh=XJ/AMY2DWTceaUOcRP9f+7wePkVMTYDk/hfBtPXF6yI=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LvE+x2/2rN64dFvGtaYl8XvD4FqfnfY80ifMi0G3F3/Vxs5nXykFJFozirrCg3ZM6IVQ1rsVnCO8vo7puMpaIGeHo2+00pchZgDxSrzyboj1U2hVIO5XijHt3RQpV3nuUbEAakSL/pdMJvyF/YWh3znDMoxgLB8awD+RwxEhwz4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pFYYT5nb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pFYYT5nb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4AD93C433C7; Thu, 4 Apr 2024 13:37:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712237858; bh=XJ/AMY2DWTceaUOcRP9f+7wePkVMTYDk/hfBtPXF6yI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=pFYYT5nbp8FMIPyNzhEyyj6RZ1rDRnBNN+g73m2yLVrsu8yGJu8Z8xOLNCilHUEyp IACqH7U03WC+o4LYHHjJ+0ttHPgqBBThc8A7/yW9H5wGSNOxSDtKpO7Y78roBjVdrl VxXvucr7gCQacH0Wx4xCxjYQTL7YcN1vMoNf67KxacPunKGfBIleXT+ompLTSE5boX j7Iy7GHs1q9L/WSzlpWylb2R4zFRLUhnSKkeVNM5quiLDZQqAx5IUk2mQ0sstkcRf4 enbrSXQpyP5jNwTYjh+jaihQ43mMGQSXyVHHdzeZDB0HKiCFZ/6ccxCd1TfqVvged1 c9BkCskDH3uSQ== Date: Thu, 4 Apr 2024 06:37:37 -0700 From: Jakub Kicinski To: Jaroslav Pulchart Cc: Jason Wang , Igor Raits , Stefan Hajnoczi , kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, Stefano Garzarella , "Michael S. Tsirkin" Subject: Re: REGRESSION: RIP: 0010:skb_release_data+0xb8/0x1e0 in vhost/tun Message-ID: <20240404063737.7b6e3843@kernel.org> In-Reply-To: References: <20240319131207.GB1096131@fedora> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 4 Apr 2024 07:42:45 +0200 Jaroslav Pulchart wrote: > We do not have much progress Random thought - do you have KFENCE enabled? It's sufficiently low overhead to run in production and maybe it could help catch the bug? You also hit some inexplicable bug in the Intel driver, IIRC, there may be something odd going on.. (it's not all happening on a single machine, right?)