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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 890BEC4332F for ; Mon, 5 Dec 2022 19:41:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234788AbiLETlQ (ORCPT ); Mon, 5 Dec 2022 14:41:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234811AbiLETkt (ORCPT ); Mon, 5 Dec 2022 14:40:49 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 292902610F for ; Mon, 5 Dec 2022 11:38:17 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E196AB81157 for ; Mon, 5 Dec 2022 19:38:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2DC70C433D6; Mon, 5 Dec 2022 19:38:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670269094; bh=0Ny/4dzeP670hxsZcSqkSQeDvT0iENprUMPxKn3XOO0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=unuFZHiWPsIzzBCqdUdJ0aSAPQ2cHrJOWu1yFyVVT87+arh0CVTkieWw9yEMu8zDX wudDINgn9hJ0LtUUcWpBdljGdU4wOkazgUzANSSab3lfAiavdqQXqiDDCZGPimsvHe RM6VjDVDLHuMtiRTG+RiRpWFgbLfRjrAG6HZVPco= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lee Jones , Arnd Bergmann , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Daniel Vetter , David Airlie , Harry Wentland , Leo Li , Maarten Lankhorst , Maxime Ripard , Nathan Chancellor , Nick Desaulniers , "Pan, Xinhui" , Rodrigo Siqueira , Thomas Zimmermann , Tom Rix , Andrew Morton , Sasha Levin Subject: [PATCH 5.15 106/120] Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled Date: Mon, 5 Dec 2022 20:10:46 +0100 Message-Id: <20221205190809.727163931@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221205190806.528972574@linuxfoundation.org> References: <20221205190806.528972574@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lee Jones [ Upstream commit 152fe65f300e1819d59b80477d3e0999b4d5d7d2 ] When enabled, KASAN enlarges function's stack-frames. Pushing quite a few over the current threshold. This can mainly be seen on 32-bit architectures where the present limit (when !GCC) is a lowly 1024-Bytes. Link: https://lkml.kernel.org/r/20221125120750.3537134-3-lee@kernel.org Signed-off-by: Lee Jones Acked-by: Arnd Bergmann Cc: Alex Deucher Cc: "Christian König" Cc: Daniel Vetter Cc: David Airlie Cc: Harry Wentland Cc: Leo Li Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: "Pan, Xinhui" Cc: Rodrigo Siqueira Cc: Thomas Zimmermann Cc: Tom Rix Cc: Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- lib/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 23b7b1fccc54..f71db0cc3bf1 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -354,6 +354,7 @@ config FRAME_WARN default 2048 if GCC_PLUGIN_LATENT_ENTROPY default 2048 if PARISC default 1536 if (!64BIT && XTENSA) + default 1280 if KASAN && !64BIT default 1024 if !64BIT default 2048 if 64BIT help -- 2.35.1