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 36F95C7115C for ; Fri, 20 Jun 2025 13:02:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=lJ+45IvRoWJ5YGcGkBPP+37icny9O5EOvwoloUYTRWM=; b=Bgal9T8rEtE93q55kLo0Wt7nO+ J2td3/oA0oMao3ET9yL5ylEj01K3T0N5uo6/J/mOYaDSe3GFF58vIXQAGVvGra2+T7richWSQDjxG 1tnWSlpALfMIgT8tjx3Vum6Lb8FJa2rzJYZX53lhO70feu/wJbrs8roRxyq/2sOpCnfxb5YE7aQMW /0n/SLpyafweKZ2zDNkz0Puo3KpzoO7Fo4N0Pcrj6umgggEUjprYcaFngwVnjhu3MzUDIjGx5FQdI fHn57TR1aUd5/0WvJ1eAeXd0Crr+PTW9nXS5wv3TjOXnUEtz1JMg21IaLvQb3SXKoJHAMuuBNN2iU p8Eg2phA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uSbNl-0000000Fep2-23qm; Fri, 20 Jun 2025 13:02:13 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uSZg7-0000000FRFo-1O7s for linux-arm-kernel@lists.infradead.org; Fri, 20 Jun 2025 11:13:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id BDE0A44CD2; Fri, 20 Jun 2025 11:13:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD33AC4CEE3; Fri, 20 Jun 2025 11:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750417982; bh=Z+FfhbY2dIQj1OgYnBauCW6kLhQRKO0ds9VLINPnkqc=; h=From:To:Cc:Subject:Date:From; b=BDyuj5EwAviEGIEXuSCZoHjBq2v3OJqRI81UdNRoIs3x6p2SKoHURMU6pCVK+VuIr PajUfp+Qg5iXaO11tioHL7nHhYflpctwSW6WBJWdv2M5toGaiyb8g5cT1optX3reHK UTDNEClf1FJnA3VCEfkA9Bls/jNtm1T0q7CSNXa4bv3LQU0nDyadFoTLm14UpuPIZB jzfU2iFmNOtJ4yCXzklVHh1UxxUr7uAsjPDYLW2r2iV2VJEvHdW03xtbGWvpUv6kvJ VqsnqG2j0xf4Q1wy9RO0HgPdFJK8FaBubZbQ8NDSEGmPC0KW4saB9qlukrwrYsfBZC /UJlW2X1sLPYQ== From: Arnd Bergmann To: Russell King Cc: Arnd Bergmann , Abbott Liu , Ard Biesheuvel , Linus Walleij , Florian Fainelli , Ahmad Fatoum , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: export __memset/__memcpy/__memmove Date: Fri, 20 Jun 2025 13:12:44 +0200 Message-Id: <20250620111257.3365489-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250620_041303_395469_3A607093 X-CRM114-Status: UNSURE ( 9.71 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Arnd Bergmann When KASAN is locally disabled for one file, the string functions get redirected to internal helpers, but those are not actually exported, so this only works in built-in code but fails for loadable modules: ERROR: modpost: "__memset" [crypto/ecc.ko] undefined! ERROR: modpost: "__memcpy" [crypto/ecc.ko] undefined! Add the missig exports. Fixes: d6d51a96c7d6 ("ARM: 9014/2: Replace string mem* functions for KASan") Signed-off-by: Arnd Bergmann --- arch/arm/kernel/armksyms.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index 82e96ac83684..1ff50106afa4 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -83,10 +83,13 @@ EXPORT_SYMBOL(__raw_writesl); EXPORT_SYMBOL(strchr); EXPORT_SYMBOL(strrchr); EXPORT_SYMBOL(memset); +EXPORT_SYMBOL(__memset); EXPORT_SYMBOL(__memset32); EXPORT_SYMBOL(__memset64); EXPORT_SYMBOL(memcpy); +EXPORT_SYMBOL(__memcpy); EXPORT_SYMBOL(memmove); +EXPORT_SYMBOL(__memmove); EXPORT_SYMBOL(memchr); EXPORT_SYMBOL(mmioset); -- 2.39.5