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 B3A2E3238 for ; Fri, 25 Nov 2022 12:08:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74F04C433C1; Fri, 25 Nov 2022 12:08:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669378087; bh=gevkG6TfDd9z8LOLiUxeJy2lRLn2rHcp1JIJZyU3WcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AKro9j5bc3m00YbU0C47HLUKAGS90KVKcmKx+1ecGTLz37DxwZyrNZ7fwQfp5Fj8a CiapE/0vqwCbVzyT6HhmpVX/XBKeejO6lK9QXxlStLS1dng1RuhTy8Gv9LR40rZ0jI roICL0dzAEKCllb1GT6QZQ+AtTu+w3R+7rdxjgCAE1deHnnnSu+Z/h7tZB73K+FSld XRk6ZlECfR0pF1ev+J1frrZh1lxzN9kmR+Fjv8dEZfZq6nOsnGmetTUu7q/Fi/QHMM YzPWHY3w9e6RdCRmPk8euVAu7uXqWYeOEwwkhpP0qaJK3hxNzjlkv3EduQ+nlzeo2z eWiR5vohumuvw== From: Lee Jones To: lee@kernel.org, arnd@arndb.de, akpm@linux-foundation.org, nathan@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, ndesaulniers@google.com, trix@redhat.com, harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled Date: Fri, 25 Nov 2022 12:07:50 +0000 Message-Id: <20221125120750.3537134-3-lee@kernel.org> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog In-Reply-To: <20221125120750.3537134-1-lee@kernel.org> References: <20221125120750.3537134-1-lee@kernel.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. Signed-off-by: Lee Jones --- lib/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c3c0b077ade33..82d475168db95 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -399,6 +399,7 @@ 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 -- 2.38.1.584.g0f3c55d4c2-goog