From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA064F531C1 for ; Mon, 13 Apr 2026 18:29:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Mdcp4bv1eu+3+1zz5d2KPvXdiRfH0YZIH1Hih1O/yps=; b=wa5eE0WbYLYZKBOvY1RnTgZRXk VYrQ81J1LMAeT2GFpr070V3xuF1OnxPMLk9E38ZYZMA4jj75PBuJGFGNbwlcNFW2giMmq4DwwRwat NrV2o+Jdx4r6z6+yFnKplF4blISJvvDiIqDbh9hNLTXCJ28lOtaYopmg/CuPtOzwpO740F9P+qcre AvjbsLhBvbmZD3k9aeShP0563KQSipRMEthnUKlen+NDl9gkdLEHd9zwZ16aCsG9pMxaj6RQ/0S5k YIIAoIz5L8OZReMh56PAIrodheASwsXw+JyseQ28B07frbRsYCsfVZFaFyLWqpzM/uiFiLhRtz8jL dqw0gP6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCM2N-0000000GCKf-4B0S; Mon, 13 Apr 2026 18:29:31 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCM2K-0000000GCGj-41g1 for linux-arm-kernel@lists.infradead.org; Mon, 13 Apr 2026 18:29:30 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 8239E1A3207; Mon, 13 Apr 2026 18:29:27 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4E7C55FFB9; Mon, 13 Apr 2026 18:29:27 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 65DB41045056A; Mon, 13 Apr 2026 20:29:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1776104965; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=Mdcp4bv1eu+3+1zz5d2KPvXdiRfH0YZIH1Hih1O/yps=; b=MWPBldvWBlMlRLB7YRsCB6BeBrxux7LP6MczGCYn9+gqLTpdPE4XjlTfrNInbkuHOU245w rnCCzBg/4H0eg0CCDktwD7qx8pXICwn9sDOLbeEbNFGXIaEQd2iOWyygEb+ZKxDXkwN0Ze 3dLeaz/gU2DpaSNYvL9S6agidNul6GvFXrdnBQZ08Z1FGLVkWAVpx7UGogUMYF545oxiEK cFdj+JTBc6ATUzw9po+Hw78YsxbuHGYR/K9YxFGuCsKwEUPY7zCalMX2s1SlgVn3BdG29p BhSdIs+8pFh68+m0Vck/uK+J+HK7zfcanYuNTj4q1HRWPFXDcHSDTEsKjMjwrw== From: =?utf-8?q?Alexis_Lothor=C3=A9_=28eBPF_Foundation=29?= Date: Mon, 13 Apr 2026 20:28:47 +0200 Subject: [PATCH RFC bpf-next 7/8] bpf, x86: enable KASAN for JITed programs on x86 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260413-kasan-v1-7-1a5831230821@bootlin.com> References: <20260413-kasan-v1-0-1a5831230821@bootlin.com> In-Reply-To: <20260413-kasan-v1-0-1a5831230821@bootlin.com> To: 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 , x86@kernel.org, "H. Peter Anvin" , Shuah Khan , Maxime Coquelin , Alexandre Torgue , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Andrew Morton Cc: ebpf@linuxfoundation.org, Bastien Curutchet , Thomas Petazzoni , Xu Kuohai , bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, =?utf-8?q?Alexis_Lothor=C3=A9_=28eBPF_Foundation=29?= X-Mailer: b4 0.15.1 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260413_112929_151890_35D7EEC4 X-CRM114-Status: UNSURE ( 7.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Mark x86 as supporting KASAN checks in JITed programs so that the corresponding JIT compiler inserts checks on the translated instructions. Signed-off-by: Alexis Lothoré (eBPF Foundation) --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e2df1b147184..a50aa9a0b93c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -234,6 +234,7 @@ config X86 select HAVE_SAMPLE_FTRACE_DIRECT if X86_64 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI if X86_64 select HAVE_EBPF_JIT + select HAVE_EBPF_JIT_KASAN if X86_64 select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_EISA if X86_32 select HAVE_EXIT_THREAD -- 2.53.0