From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 773A8386C36; Mon, 27 Apr 2026 08:45:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777279552; cv=none; b=XBgOnXFCq/r/rL8Zr6LQ7eACvjSiL2r7FImO41DcWQsyNn6Y8YZRbEhuxcEahEqSv+kcRUCskXka2FidFmn54vYKIzbrOKKaZNVruhoO6vUZFXGdYfi1RTPLPUIuw6JKIS38E6R7TH1AInyhSXRhjeiy3DWUhoZb1ZevH2bV+vs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777279552; c=relaxed/simple; bh=NPtBWtScyAtExi26HJQOX3Bl9JaCMW7W8B+qRRIyHcU=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=WPczh2hE4ve3CaLOHlYQquJmTygZOHGyOEl20cRu2ALycRO93tyO7JMFh2iVqidBtl4Zi2oDkr3fB+SAu+q6XTKnxPTWe8NbxJP6KH1LHJUuyiyfKzWTKZjunAaot/RddqEv0Z/PP44xExKLEUmOe0Tr2b6qNetmkv8ye8mn8B0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=WJbcAplo; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="WJbcAplo" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id A23A04E42B2E; Mon, 27 Apr 2026 08:45:48 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 6D3D9600D1; Mon, 27 Apr 2026 08:45:48 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 4E94B10722389; Mon, 27 Apr 2026 10:45:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1777279546; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=enlPWmXbCXiBTtPjtrqyyDQhH4YVYS+iBt6pkMFkQHE=; b=WJbcAploUg0VmF8Pr+sfgdotkcsE+3i3sOgj0VN9GILZjM/dn7k2l6yEnDFaLgNnsHB2ke rIiFoGiqvbcbZUtxKswbsaRljyz+xXTtAxqH/KKDTh71KwOwbOw8l/vQCMnSwhlcMo4xCC xoIgVMfDds0upX6YXNRrk8BNT5gtD69tE0EPWoJGdDPyPEFVH4WSMc76pnmesP3PyyGxoi WSBqZVZb+deNlGfh7SjsbGBSVzPwbj+XpuWgjdaPkUDHoOr+AiZQXiqXcxWBxKDn39Kuzf 8xtuEKI55YCnUaxvGQOliOLdPRRmK0uaNRPXrzMWGxybldX6FdIJZBopPxlCjQ== Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 27 Apr 2026 10:45:34 +0200 Message-Id: Subject: Re: [PATCH RFC bpf-next 0/8] bpf: add support for KASAN checks in JITed programs Cc: , "Bastien Curutchet" , "Thomas Petazzoni" , "Xu Kuohai" , , , , , , , , From: =?utf-8?q?Alexis_Lothor=C3=A9?= To: "Ihor Solodrai" , =?utf-8?b?QWxleGlzIExvdGhvcsOpIChlQlBGIEZvdW5kYXRpb24p?= , "Alexei Starovoitov" , "Daniel Borkmann" , "Andrii Nakryiko" , "Martin KaFai Lau" , "Eduard Zingerman" , "Kumar Kartikeya Dwivedi" , "Song Liu" , "Yonghong Song" , "Jiri Olsa" , "John Fastabend" , "David S. Miller" , "David Ahern" , "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , , "H. Peter Anvin" , "Shuah Khan" , "Maxime Coquelin" , "Alexandre Torgue" , "Andrey Ryabinin" , "Alexander Potapenko" , "Andrey Konovalov" , "Dmitry Vyukov" , "Vincenzo Frascino" , "Andrew Morton" X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260413-kasan-v1-0-1a5831230821@bootlin.com> <71fb19ff-6dde-43f4-a0e9-5c8cf2ba4ed4@linux.dev> In-Reply-To: <71fb19ff-6dde-43f4-a0e9-5c8cf2ba4ed4@linux.dev> X-Last-TLS-Session-Version: TLSv1.3 Hi Ihor, thanks a lot for the review and help ! On Sat Apr 25, 2026 at 1:10 AM CEST, Ihor Solodrai wrote: > On 4/13/26 11:28 AM, Alexis Lothor=C3=83=C2=A9 (eBPF Foundation) wrote: >> Hello, >> this series aims to bring basic support for KASAN checks to BPF JITed >> programs. This follows the first RFC posted in [1]. [...] >> The series is marked and sent as RFC: >> - to allow collecting feedback early and make sure that it goes into the >> right direction >> - because it depends on Xu's work to pass data between the verifier and >> JIT compilers. This work is not merged yet, see [2]. I have been >> tracking the various revisions he sent on the ML and based my local >> branch on his work >> - because tests brought by this series currently can't run on BPF CI: >> they expect kasan multishot to be enabled, otherwise the first test >> will make all other kasan-related tests fail. > > AFAICT this can be trivially fixed on BPF CI side, we just need to set > kasan_multi_shot for the VMs running the tests. I will do that, your > next revision doesn't have to be and RFC. Sweet, much appreciated :) I've started receiving some Sashiko reviews on the series (likely thanks to some of your actions), I'll take a look into those and prepare a (non-RFC) v2. Thanks, Alexis --=20 Alexis Lothor=C3=A9, Bootlin Embedded Linux and Kernel engineering https://bootlin.com