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 6882B3AB262; Wed, 8 Jul 2026 08:02:47 +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=1783497773; cv=none; b=UCrg6sBbIDjU1SMxnWAPdUmHQw6VoZIUmsOPvU0APVwcJTmuz8RE5FVZLeuknAnNe/VBye7nHHBhkS+BNndjLd/bljizhjj6S+ZYqLjV9hqlQNZ1+Tc/7Cy9n2NcXsWhLLRneEqPfMcmf4TQf9SXcMw3ME0wzNIFsLru1SlHlhk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783497773; c=relaxed/simple; bh=vLnbofPmzM0UJ+7cLvOGt1OWQNfColilU7P6fmGcrE0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Q6kEw5eVBoe08YUxLx3xwQDIPZOxpLBs/gNLn4gsiGF8sX4/UPfW03aXgqGAjgFipThTwLJAkPeOk0TUfWyt9BOylDHzRvUTGCI+qYHC6krKuh+g/vU3aLXOM3kYjTUqW0Yw4C3hrsncqRZ9M1MsnD7pku7GWoDF5VZul5KQqvM= 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=ZXX9T1Mb; 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="ZXX9T1Mb" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id C1D041A0EDB; Wed, 8 Jul 2026 08:02:43 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 95CB360337; Wed, 8 Jul 2026 08:02:43 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 596EC11BC325E; Wed, 8 Jul 2026 10:02:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1783497762; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=gPhF6YNtK2Clk0Rg5nOKIYm+sr20SVQzQ8oU0s08pKg=; b=ZXX9T1MbLwHsbwg1lxNghPMUT4o0Y8kceFJuNlp3kP3Ho/80TAZaS/3njSqMMklkJyd56T sMry1cWpwz3+oC47mD6/Hsyb7pmXOKqBqsf9m1RNdETdWT0piSoTrRcBWOLWj/8uwTCUBY HxJbwHP2l9TSXPA+MdrHUEWFpsPEqRXdu5FGdumrpbTXChhjioY8Z79hW1FfXPoRxGqvpX ByjPOKr7yrnqfmjE3EkAds3V5sVledyaxy6+KpKwbkqX32S8+eQCPAj7A5w87xtocH7apC 9/zii1LarYRdPfwH1xYdvRfcdzQfgYxAjon5MeZuyXk3WSvPeVLup+PI/j3nvg== From: =?utf-8?q?Alexis_Lothor=C3=A9_=28eBPF_Foundation=29?= Date: Wed, 08 Jul 2026 10:00:30 +0200 Subject: [PATCH bpf-next v4 07/10] bpf, x86: enable KASAN for JITed programs on x86 Precedence: bulk X-Mailing-List: bpf@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: <20260708-kasan-v4-7-d5c177ab8227@bootlin.com> References: <20260708-kasan-v4-0-d5c177ab8227@bootlin.com> In-Reply-To: <20260708-kasan-v4-0-d5c177ab8227@bootlin.com> To: Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Kumar Kartikeya Dwivedi , Song Liu , Yonghong Song , Jiri Olsa , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Shuah Khan , Ingo Molnar , Andrey Konovalov Cc: ebpf@linuxfoundation.org, Bastien Curutchet , Thomas Petazzoni , bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Alexis_Lothor=C3=A9_=28eBPF_Foundation=29?= X-Mailer: b4 0.15.2 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 bdad90f210e4..705a9ab85f3a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -233,6 +233,7 @@ 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 -- 2.54.0