From nobody Thu May 15 08:18:21 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1695151160; cv=none; d=zohomail.com; s=zohoarc; b=lBnJbe38f3yp6Ieeh6Lp/kb0UUfi02AUX+0SEeRPZBsMN7gM3TyF4ieNwT1tCURe72gKTIW+IPx8ioWS5v2RrzNcK5/H5R19HUhrMs7oHq4AGLvwnS3rY3OYAut9nOVYvqsN5gjFXwCdCIIWg2xJwGVfNbOjOU1A8SJSejIgPA8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1695151160; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Nzqj6C0VQlY2yN8x1n/HIf5A6+c1lazVToEB14pN3+E=; b=W676ivJX8v62BSgoYMTLhbMVDZDjAmPiCcPfNkhwiVk+0HsTapwSVfM9MbWcHXuf2C+beWAoKx694rbPtDIqu9Q4xn2tUkz7/wfUleHRytA8lv7kGSHMPJKBqp+AZPqsBIvRF8P5pFfyA1RHeDte8ozwwrJVaULTqmRBBAX2/l8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1695151160697362.0228286878838; Tue, 19 Sep 2023 12:19:20 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qigEu-00066H-Ib; Tue, 19 Sep 2023 15:18:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qigEk-0005xz-9T; Tue, 19 Sep 2023 15:18:18 -0400 Received: from dfw.source.kernel.org ([139.178.84.217]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qigEi-00089U-TA; Tue, 19 Sep 2023 15:18:18 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CE99D61731; Tue, 19 Sep 2023 19:18:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BCC87C433C7; Tue, 19 Sep 2023 19:18:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695151095; bh=J5VDXnfGUZvK4hLnh4py748vturUYsSJflWPNbJhQno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dzTon16axcEac1VPMP9yuTg1FxKsavd3vEJ/+AkwyK2sXgP5Npkhph0ibpWQNQx4Z alwQ8mgYJukb5bFTiFmqtk4Zy+8UygfuYYXPTRTYCJA1RJ4dSjnvPZySn9xK3ADh9t dL+kgZWDa00XZH1FMKO5/8yKUoeGhnNROetxoQKOmMFix7Ib0FaLbK0EKIGz/VhlUQ ifuhxF20nQXFy2CtyqUfTN0/APCCyNWmbi5azVKVd/uPEdFo74YMIONXxRn2tV+dmA +L/gTvjHFbixAVmeQZohiFi8MbOedRLa66Z2b4O6fLlBtrd+wUS6c5hQY7xzZlkiwM tgrhIviMZMGHw== From: deller@kernel.org To: qemu-devel@nongnu.org Cc: Helge Deller , Richard Henderson , Laurent Vivier , Mikulas Patocka , qemu-stable@nongnu.org Subject: [PULL v2 8/8] linux-user/hppa: lock both words of function descriptor Date: Tue, 19 Sep 2023 21:17:56 +0200 Message-ID: <20230919191757.98889-9-deller@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230919191757.98889-1-deller@kernel.org> References: <20230919191757.98889-1-deller@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=139.178.84.217; envelope-from=deller@kernel.org; helo=dfw.source.kernel.org X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1695151161814100003 Content-Type: text/plain; charset="utf-8" From: Mikulas Patocka The code in setup_rt_frame reads two words at haddr, but locks only one. This patch fixes it to lock both. Signed-off-by: Mikulas Patocka Acked-by: Helge Deller Cc: qemu-stable@nongnu.org Signed-off-by: Helge Deller --- linux-user/hppa/signal.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/linux-user/hppa/signal.c b/linux-user/hppa/signal.c index 3a976ac693..bda6e54655 100644 --- a/linux-user/hppa/signal.c +++ b/linux-user/hppa/signal.c @@ -149,12 +149,13 @@ void setup_rt_frame(int sig, struct target_sigaction = *ka, target_ulong *fdesc, dest; =20 haddr &=3D -4; - if (!lock_user_struct(VERIFY_READ, fdesc, haddr, 1)) { + fdesc =3D lock_user(VERIFY_READ, haddr, 2 * sizeof(target_ulong), = 1); + if (!fdesc) { goto give_sigsegv; } __get_user(dest, fdesc); __get_user(env->gr[19], fdesc + 1); - unlock_user_struct(fdesc, haddr, 1); + unlock_user(fdesc, haddr, 0); haddr =3D dest; } env->iaoq_f =3D haddr; --=20 2.41.0