From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 C6FA0383C63; Mon, 13 Apr 2026 18:29:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776104970; cv=none; b=UX60tDSHZEQyJ4gn6wAOP5yTqAwMzy24OBZuMxZ1LhBk0BMIhf9OhINbIZuwMsrALHP5EEUpNwTiyJEyf6Q5K+N4aLndqZp2iCIQ8muJcLnYZSJNJCn3I3xJ41bpvKgb0euTY4V1lRXxr32uf2dcB2UVr+hG5HSZbPIVKVT232s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776104970; c=relaxed/simple; bh=Z+p0lXPLcxCUBVq93qdqRZm5rZEjIkitMdoMPF9CNLo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WuLtUDIlCgG7+uFynKYANSmQaM9WTD2zSsTu0vN2ohyPbvKEbOhjHH45tQDzSRxkfnJ1FJUs3UR67dJXkSfNSWXhwiULVv2tKYBg9LGuGtRLs1kx8O9RkHCgLKUt6Y+AgiHGQZmW2cGh/lJiMLIaBGNJld6uLswCEkmC8MzvH9w= 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=MWPBldvW; arc=none smtp.client-ip=185.246.84.56 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="MWPBldvW" 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 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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