From nobody Sun Feb 8 11:44:22 2026 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 E7730C77B73 for ; Mon, 22 May 2023 07:17:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230342AbjEVHRA (ORCPT ); Mon, 22 May 2023 03:17:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232505AbjEVHQR (ORCPT ); Mon, 22 May 2023 03:16:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B68C10F4; Mon, 22 May 2023 00:15:37 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id EBB5961DF4; Mon, 22 May 2023 07:15:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A567FC433EF; Mon, 22 May 2023 07:15:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684739736; bh=TDhagb7/1BjVNI9fsBOdvguiTH1+pJKnlE7Km5AKGt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X/k25RQrwho388uZuEtlF6MSH2EBdQnJmyiy5r1iU9TgEL5+t4CYqaj50iQtt75+u Qbqr1HwaRmOIAA7tpZ2RXqLdwR+pmCgRoTpQ6XB2SI4yYXYOKyKS3ruIbT3aCYv9Gm BadBzyHNU71Cut4XjqHwR/oPZVBfQU9FQAGzoR6jxLozp44/PzAqiTLdjLjyhIXzDL 2pvV5pxM0B0NfsXs9YF5SA7j7oe3OPbaAxx/DGmNIG9Y0mefuXpPuEtREMYvLqBMIB 2AWA8HVb9mCkDTj6/ng8cl4nwinPhOagqzaeX5vF7+z8TPN4iSsGLek5JCSV3LQCaZ KMKC1JT1BxKsA== From: Ard Biesheuvel To: linux-efi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , Evgeniy Baskov , Borislav Petkov , Andy Lutomirski , Dave Hansen , Ingo Molnar , Peter Zijlstra , Thomas Gleixner , Alexey Khoroshilov , Peter Jones , Gerd Hoffmann , Dave Young , Mario Limonciello , Kees Cook , Tom Lendacky , "Kirill A . Shutemov" , Linus Torvalds Subject: [PATCH v3 15/21] decompress: Use 8 byte alignment Date: Mon, 22 May 2023 09:14:09 +0200 Message-Id: <20230522071415.501717-16-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230522071415.501717-1-ardb@kernel.org> References: <20230522071415.501717-1-ardb@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=737; i=ardb@kernel.org; h=from:subject; bh=TDhagb7/1BjVNI9fsBOdvguiTH1+pJKnlE7Km5AKGt0=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JISVbzN4x+Byz1Ywd4vxs4ZLqct3rK24U3ZBefYk5ou4gx 1T+gDsdpSwMYhwMsmKKLAKz/77beXqiVK3zLFmYOaxMIEMYuDgFYCJuFowMM8Uapp2MfjA5Yvqt yGfuB5VM3gd1rytn3aMTdf9rqf23n4wMH9Xfv3r8/8FEkdVGScfsb/9YxDCrYqv8iqazS94dmdj 5ghEA X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The ZSTD decompressor requires malloc() allocations to be 8 byte aligned, so ensure that this the case. Signed-off-by: Ard Biesheuvel --- include/linux/decompress/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h index 9192986b1a731323..ac862422df158bef 100644 --- a/include/linux/decompress/mm.h +++ b/include/linux/decompress/mm.h @@ -48,7 +48,7 @@ MALLOC_VISIBLE void *malloc(int size) if (!malloc_ptr) malloc_ptr =3D free_mem_ptr; =20 - malloc_ptr =3D (malloc_ptr + 3) & ~3; /* Align */ + malloc_ptr =3D (malloc_ptr + 7) & ~7; /* Align */ =20 p =3D (void *)malloc_ptr; malloc_ptr +=3D size; --=20 2.39.2