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 C04EFC433EF for ; Thu, 25 Nov 2021 15:07:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FStQYrPiTsrWnF2ewkfedkPlBrLaaEsQGxhfAIYBcH8=; b=gjclmokHhi2xCDpwH6ZDlD6Bz+ WwukoWW454ZwFTxwZLTjrwosO0oK7cfk47NB2JwPOry1AlIA/jEmrizHXFR0puntcZZjmevYAcawo ANtSwAZjEqznruysGqIeIstiFhxy0InPfPmXYzuKHGjbo3uDJkBzpOG0uFmvN8dSi1ES6WQXz8jDp r7IKT7Qn147omwXOs82AGIDxPOGrV650UPyhpozWRPqkWteKxNSCkD/AvclUEn/rKShoL8xxi8zi3 hWcH3ypVTjuXdH/MDKTkmnXwnLEbi8vttHXv5NgcNDTmYp+5ZDNkDA30oNI9I7Muxo/2kYrj1jN6d aPZHra3A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqGJb-007wBL-4e; Thu, 25 Nov 2021 15:05:35 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqGJX-007wAl-La for linux-arm-kernel@lists.infradead.org; Thu, 25 Nov 2021 15:05:32 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id EED2361052; Thu, 25 Nov 2021 15:05:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637852731; bh=ZvTvHI4iJTlENlblfH9I2GcOCGsrQBGcnKtEXr3b82Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sEk12V4xnDFOZy15cdhhUPwIJiPNMlztpjrG4a16Ju6WNgSDadkAYuDDbzSi89Wme QWzMWi0WuaKirFWaEJKj8TxZYSIzc2nEVMWSZrEch7mU7jtpfhvKeLrzGbMPhqMQsQ uddRYoVDdEnRMOW1MQ3iW0RqugY6zX69M+VB37H4W1TyRZ1d4Ei0ROFK3V3KPYZdBJ jUlJALs5c7O9wENU5v/LQibq7O2B0HdE8N9GxF9FnOq7/d++y56MfGAj8jBunJKZ8b 4IgiKfqixoswBy7w+N8PMf7NaPIUzsZUHkcATZcbgr/nDbbUeBd02JB2UcHtiYb/ye UzOvFwegSAyzQ== Date: Thu, 25 Nov 2021 15:05:25 +0000 From: Mark Brown To: madvenka@linux.microsoft.com Cc: mark.rutland@arm.com, jpoimboe@redhat.com, ardb@kernel.org, nobuta.keiya@fujitsu.com, sjitindarsingh@gmail.com, catalin.marinas@arm.com, will@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v11 5/5] arm64: Create a list of SYM_CODE functions, check return PC against list Message-ID: References: <8b861784d85a21a9bf08598938c11aff1b1249b9> <20211123193723.12112-1-madvenka@linux.microsoft.com> <20211123193723.12112-6-madvenka@linux.microsoft.com> MIME-Version: 1.0 In-Reply-To: <20211123193723.12112-6-madvenka@linux.microsoft.com> X-Cookie: This bag is recyclable. X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211125_070531_746484_B410D0B2 X-CRM114-Status: UNSURE ( 8.68 ) 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: , Content-Type: multipart/mixed; boundary="===============1532245706440433188==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1532245706440433188== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="m2fLEeg5NIztZTxh" Content-Disposition: inline --m2fLEeg5NIztZTxh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 23, 2021 at 01:37:23PM -0600, madvenka@linux.microsoft.com wrot= e: > From: "Madhavan T. Venkataraman" >=20 > SYM_CODE functions don't follow the usual calling conventions. Check if t= he > return PC in a stack frame falls in any of these. If it does, consider the > stack trace unreliable. Reviewed-by: Mark Brown --m2fLEeg5NIztZTxh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmGfpjQACgkQJNaLcl1U h9ATOwf/e90v9GMGBwGdJq9+GSfeO9GigM+x7IV126yW84IFZoWXy0yCgjHBhjgR yz4DDd/2u8fAvVzM4Z2cHRx7Av74JeaMlLyNY1G2RXgrvoty/Ff11dw1p60gVYxq Xso0YX2PNmTST0IQ5HVw6YwTL42d3BKBQppHqai3C8z5DL5ihBhl9pllCmklQfmk 5XMqMW0a9AUJYUmFtQTHwE4PxeZRxOdxJxNf583jAIJCWJ55M26O1kgFVsno6p7x g07sWhI7YSV4o86T1W74vL4hmP0YyO2XO0q3rHihTfpXPPQapbWUj/rqnYhdVVYp dQrMCptiPfNVCxQPee1+HtfJg83lSQ== =1le9 -----END PGP SIGNATURE----- --m2fLEeg5NIztZTxh-- --===============1532245706440433188== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1532245706440433188==--