From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2C368266F08; Wed, 30 Apr 2025 18:30:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746037816; cv=none; b=sgrI9WPZMwM5V6aW3aWqUxKlmqDfIS8z8RRFN2h9+fSdDvG5qMZUzItUrT6CgnlQy8TLiFrtIE3SkMCkWXQVdx+gwV5+Db91E+qHo2+H6/33JowPlivr3oc7Z4A/uavb+/Nuqu8Fcmsh2N+klOkJC2ifPLMkp3MKEkeD7P8iG1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746037816; c=relaxed/simple; bh=+Bh8W2opHqTRaacu/woH8jsXXpI+2jmNYlTxL3d821E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SgeBALGfmauqa4orYX3L/zofHHFeBFR5tHnjrgSnoqm+3s1VnrjSqfzFbNfUVcez2pvYmzyUBhWOeHVv6sSXOGhlBcQ1bUgcK3sTnhj16/JCWL2H+nQpQZB7iSzHpftAdAESckmiYQGhhDjVcWOJRAfHnVKCrRttnxC5n29r+oU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JkjsRPYl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JkjsRPYl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9B0BC4CEE7; Wed, 30 Apr 2025 18:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746037816; bh=+Bh8W2opHqTRaacu/woH8jsXXpI+2jmNYlTxL3d821E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JkjsRPYlAsu1h78KDySX25PgSxCEQQwPBbYGDI+dVxcyA+ledZYULD/nf80rFHTmT jz4eZW27iWvei/YehGt1vTSNurOLzCK/MtbaY+N4635Gy6UFwiHv1kzjeVw/4NsKGS LRdygwbPVG37+ZS/pkpG7JFPd+ctzoqYsUWVPv0jMhUejpy18j7XXOHdWTAJqK+SNH kKymcWmoivX1DomlQ+updVqU+saEnelIQ0d3ViCPLR4+yDthYf1Ii26xLIlWID0EXI 2W+qFiaQf/j0i21Rgkr7royQpTd4SF05Wh9GhG+0abzxQmVfkQvSw91WWSgP6F6ZwK mzfIHdS8QQIjw== Date: Wed, 30 Apr 2025 11:30:12 -0700 From: Kees Cook To: Mostafa Saleh Cc: kvmarm@lists.linux.dev, kasan-dev@googlegroups.com, linux-hardening@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, will@kernel.org, maz@kernel.org, oliver.upton@linux.dev, broonie@kernel.org, catalin.marinas@arm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, elver@google.com, andreyknvl@gmail.com, ryabinin.a.a@gmail.com, akpm@linux-foundation.org, yuzenghui@huawei.com, suzuki.poulose@arm.com, joey.gouly@arm.com, masahiroy@kernel.org, nathan@kernel.org, nicolas.schier@linux.dev Subject: Re: [PATCH v2 1/4] arm64: Introduce esr_is_ubsan_brk() Message-ID: <202504301130.184F0BC@keescook> References: <20250430162713.1997569-1-smostafa@google.com> <20250430162713.1997569-2-smostafa@google.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250430162713.1997569-2-smostafa@google.com> On Wed, Apr 30, 2025 at 04:27:08PM +0000, Mostafa Saleh wrote: > Soon, KVM is going to use this logic for hypervisor panics, > so add it in a wrapper that can be used by the hypervisor exit > handler to decode hyp panics. > > Signed-off-by: Mostafa Saleh Mechanical change; looks good. Reviewed-by: Kees Cook -- Kees Cook