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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 240C9C2D0A3 for ; Tue, 3 Nov 2020 19:18:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6E0A20870 for ; Tue, 3 Nov 2020 19:18:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604431107; bh=HpunwBOmRskEAWVWW1XkamTK5oHUkjlQrbBOsICT00U=; h=Subject:To:Cc:From:Date:List-ID:From; b=DRWYZzXNWTkzxCrtUzWb6xSH6faAsUHL38n1J+92c+tuZG4Or8A9sxI9bjSY+/MKL iyj0kTSUl7tuVm4PLzPwFWOJYpL5sVhjW1RATe6rfrQTo5pjS4QswARzA+GjMpQP5h t9JGmXBFMuCZznp6I4LiqbwnKgr1KrvtZNKQyWis= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725957AbgKCTS1 (ORCPT ); Tue, 3 Nov 2020 14:18:27 -0500 Received: from forward2-smtp.messagingengine.com ([66.111.4.226]:50501 "EHLO forward2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729337AbgKCTS1 (ORCPT ); Tue, 3 Nov 2020 14:18:27 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailforward.nyi.internal (Postfix) with ESMTP id 08F9D1942A89; Tue, 3 Nov 2020 14:18:26 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 03 Nov 2020 14:18:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=eOzZD1 ZavNjcQerggo28Fb1H6opHFhWeYblwKVOxF74=; b=RM916ALsfK4wGa/JAdoGdm viUw3TPdVHqH71FVNqaSi60Rc5V3r/RcEJGhJdPV3BTE1pFQLGQbjDWbPEjKPUQq Uq6iV8U5VtZwIuw2u+THdlmZZioYUv/UDBkHFIFPTn0FH0g9qRQl0V/w0/7WEcjC 4s+aurF2Ys0lsVlC+yvIL9V1w1XXCMY2Zx5A5UrDlIYHZOSUEm5W5kG2p7GQ5Zuy LDjSvxnZZnySbCIJ3kcUMoGgxdv6ake/scrV/bXVrGLWUITYVqwNf7yGr7vlJzHD 4cvekhsF1ZJgg8HOoB9bO1hdh5rlTKmYCKRYI1r7ZOIHuUSQQ7y7YQ6LWj8JNeTw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedruddtfedguddvudcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhepuffvhfffkfggtgfgsehtkeertd dttdflnecuhfhrohhmpeeoghhrvghgkhhhsehlihhnuhigfhhouhhnuggrthhiohhnrdho rhhgqeenucggtffrrghtthgvrhhnpefhteeihedtgfevvdefudevjefhuddvieetgeffje duieelfeelteejgffgjeetleenucffohhmrghinheplhhlvhhmrdhorhhgpdhkvghrnhgv lhdrohhrghdpmhgvmhgtphihrdhssgdpmhgvmhhmohhvvgdrshgspdhmvghmshgvthdrsh gsnecukfhppeekfedrkeeirdejgedrieegnecuvehluhhsthgvrhfuihiivgepfeenucfr rghrrghmpehmrghilhhfrhhomhepghhrvghgsehkrhhorghhrdgtohhm X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA id 89BD33280115; Tue, 3 Nov 2020 14:18:25 -0500 (EST) Subject: FAILED: patch "[PATCH] arm64: Change .weak to SYM_FUNC_START_WEAK_PI for" failed to apply to 4.4-stable tree To: maskray@google.com, ndesaulniers@google.com, samitolvanen@google.com, stable@vger.kernel.org, will@kernel.org Cc: From: Date: Tue, 03 Nov 2020 20:18:19 +0100 Message-ID: <160443109943136@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From ec9d78070de986ecf581ea204fd322af4d2477ec Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Thu, 29 Oct 2020 11:19:51 -0700 Subject: [PATCH] arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S Commit 39d114ddc682 ("arm64: add KASAN support") added .weak directives to arch/arm64/lib/mem*.S instead of changing the existing SYM_FUNC_START_PI macros. This can lead to the assembly snippet `.weak memcpy ... .globl memcpy` which will produce a STB_WEAK memcpy with GNU as but STB_GLOBAL memcpy with LLVM's integrated assembler before LLVM 12. LLVM 12 (since https://reviews.llvm.org/D90108) will error on such an overridden symbol binding. Use the appropriate SYM_FUNC_START_WEAK_PI instead. Fixes: 39d114ddc682 ("arm64: add KASAN support") Reported-by: Sami Tolvanen Signed-off-by: Fangrui Song Tested-by: Sami Tolvanen Tested-by: Nick Desaulniers Reviewed-by: Nick Desaulniers Cc: Link: https://lore.kernel.org/r/20201029181951.1866093-1-maskray@google.com Signed-off-by: Will Deacon diff --git a/arch/arm64/lib/memcpy.S b/arch/arm64/lib/memcpy.S index e0bf83d556f2..dc8d2a216a6e 100644 --- a/arch/arm64/lib/memcpy.S +++ b/arch/arm64/lib/memcpy.S @@ -56,9 +56,8 @@ stp \reg1, \reg2, [\ptr], \val .endm - .weak memcpy SYM_FUNC_START_ALIAS(__memcpy) -SYM_FUNC_START_PI(memcpy) +SYM_FUNC_START_WEAK_PI(memcpy) #include "copy_template.S" ret SYM_FUNC_END_PI(memcpy) diff --git a/arch/arm64/lib/memmove.S b/arch/arm64/lib/memmove.S index 02cda2e33bde..1035dce4bdaf 100644 --- a/arch/arm64/lib/memmove.S +++ b/arch/arm64/lib/memmove.S @@ -45,9 +45,8 @@ C_h .req x12 D_l .req x13 D_h .req x14 - .weak memmove SYM_FUNC_START_ALIAS(__memmove) -SYM_FUNC_START_PI(memmove) +SYM_FUNC_START_WEAK_PI(memmove) cmp dstin, src b.lo __memcpy add tmp1, src, count diff --git a/arch/arm64/lib/memset.S b/arch/arm64/lib/memset.S index 77c3c7ba0084..a9c1c9a01ea9 100644 --- a/arch/arm64/lib/memset.S +++ b/arch/arm64/lib/memset.S @@ -42,9 +42,8 @@ dst .req x8 tmp3w .req w9 tmp3 .req x9 - .weak memset SYM_FUNC_START_ALIAS(__memset) -SYM_FUNC_START_PI(memset) +SYM_FUNC_START_WEAK_PI(memset) mov dst, dstin /* Preserve return value. */ and A_lw, val, #255 orr A_lw, A_lw, A_lw, lsl #8