From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) (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 C280447DD52; Wed, 13 May 2026 15:23:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778685801; cv=none; b=dEL0BiFr1l3OmosmzYV3TLWoM3UeTbfM+3VflP8GBEQHY38mvZGRHERf5jPTfxVtEuiROM2OVMk70flwf9cEJMh7GVc3Z0GBBgRZbTX63FKwoF/i8tLN1t/dQ4QkekvUIjYviYBycmNffELjzS5c63S/bA4AJDgLxSZU6bn/WGY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778685801; c=relaxed/simple; bh=05aaMT3Hm3rwOElmTABJV7PesXTkVYUnQpk8I3sen8Y=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pPoFOZgB+xpBTO9SC3IRWHMs+ClC/BMA5MVUG6Ha6+NfLlT/KqXksst9pY81wPTrcTkM0KA/T9qX1mMdH67z+XyU0mWhEwMQ4tN7QvaUifdWG1Bhno6g18oCVMaQQaKQ9iL8Z7o97qD4Yt6MycwXYRDDBlCMs97p7qBOc6kUGis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf12.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id D1DCF40145; Wed, 13 May 2026 15:23:09 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf12.hostedemail.com (Postfix) with ESMTPA id 1BCEA19; Wed, 13 May 2026 15:23:04 +0000 (UTC) Date: Wed, 13 May 2026 11:23:07 -0400 From: Steven Rostedt To: Alexei Starovoitov Cc: Aaron Tomlin , Jonathan Corbet , Song Liu , KP Singh , Matt Bobrowski , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard , Kumar Kartikeya Dwivedi , Masami Hiramatsu , Shuah Khan , Jiri Olsa , Martin KaFai Lau , Yonghong Song , Mathieu Desnoyers , Randy Dunlap , neelx@suse.com, sean@ashe.io, chjohnst@gmail.com, steve@abita.co, mproche@gmail.com, nick.lange@gmail.com, "open list:DOCUMENTATION" , LKML , bpf , linux-trace-kernel Subject: Re: [RFC PATCH v3] bpf: introduce TAINT_UNSAFE_BPF for mutating helpers Message-ID: <20260513112307.53e77312@gandalf.local.home> In-Reply-To: References: <20260503164700.548164-1-atomlin@atomlin.com> <20260513111331.7bede512@gandalf.local.home> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspamout05 X-Rspamd-Queue-Id: 1BCEA19 X-Stat-Signature: qh9mfh7tfrdadr95zx8z8ppi93zqh4pq X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1/XgzzJPlAPn2tZpqgBKx+sYc6uCfM5Gnk= X-HE-Tag: 1778685784-470807 X-HE-Meta: U2FsdGVkX1+cVeI8L1AFbkk0j+qm1cFrKvzwOHyqrAOW/gBvQTeSSNYab9HZWi9uMqkqP5BzhCc9jS6FXjY6xVsPWH+L3XLxAzWvel80R4BmCbXLsGZptIxhK7LQKY+qnkCdxRXThrfCb6UU46W2Ca2jPoXKTYHS8vtKD5rV8z+OWKjHS5zTBSkQxMEkKXNAsu9b4csAVRGhZTO6bTl2DqEVB9J5UFct4irk3qy33HkpQ692T4920a3WRnL1HeKb0AoJ9oMue87fBRQZNiWjgqonasIacTFymOqjRfVQkmqaaIhyc3UwDmlL9ixgSFAIOYpA/cshihmtbNK6xclFqa7KwtKhzY+H On Wed, 13 May 2026 08:16:07 -0700 Alexei Starovoitov wrote: > It's impossible to track all modifications. > See what sched-ext is doing. > What does it modify? Everything. What about just having a list of what BPF programs are loaded, what they may be attached to, and what kfuncs they are calling? -- Steve