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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 661CBC43334 for ; Tue, 28 Jun 2022 05:38:25 +0000 (UTC) Received: from localhost ([::1]:48594 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o63vc-0000A8-6Q for qemu-devel@archiver.kernel.org; Tue, 28 Jun 2022 01:38:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38014) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o62kZ-0002sL-DL for qemu-devel@nongnu.org; Tue, 28 Jun 2022 00:22:56 -0400 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]:41679) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o62kX-0003nj-Jh for qemu-devel@nongnu.org; Tue, 28 Jun 2022 00:22:54 -0400 Received: by mail-pf1-x42f.google.com with SMTP id i64so10876758pfc.8 for ; Mon, 27 Jun 2022 21:22:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=jX6jS4dtrhW1QeYx18wps/PVKx5vjATldMSj/oHyJlI=; b=KkzG5unNDbsqkQe32WPx+Gpnue9qZLtJai7j2WrSPKNJ2nlKuCS95wbB8M+ALIHdKx a2nFrEu2ltHiulHhzk9ihToBp9JyvOA8E8uNFKCL9ptwbzaVHcDjOw1vHG2vGIU1tHVS LqUsuqxqMCGu9DdsGBJPOOMtY/dPDDwDm3OKP3ikETCmXqbHcpLh3Q/Bmu4a6VaDzDWH FKue1db7oxu7UK/1PK9/wPSkxbK8EsLt7Wh+h7/x+7YZeD+PaMm8TW655yURXAPiibC2 jr3Di67r8SscoiAHM5Pw8kASzSJ4sdnidW+PY4+rFq9AxKUsJ+6De0Y/CzIf7bk9xJlj FVvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jX6jS4dtrhW1QeYx18wps/PVKx5vjATldMSj/oHyJlI=; b=UwdzmVOQJcd4hirm01Mq1Uowdzuxzrip91hlYY3bZHsTsEblanfLYMDOBi3uVgTmaX V6j0Us88A7wxV+e7LWVYtOxh4FZ+jhSzn6jXUjG1/kVJl89cYO85NLqj93fdqgPue3dX 1zV9t+TG9g4HcFd+5Ye4QYiob0LgxAPv91F4gxKALeNFSeKoxCWq7y1AMonej7m7H0Fz /fqNO25NApISMuX7JD5zQddVCxKOr39v3LIQmlm/cg0ZX3hLuUnGMDsE2LVebYMxgWQP koiRwTBu1ws12siq7AHmPx9FSZwYu4z61tUo2Ytq/IXU/p94UgW8cCzqBt5UttaVKxc3 xtdA== X-Gm-Message-State: AJIora8oqllczRLJYPeRItLpQifPz8iqGOO3FaJBNM0dHIboIQ42rqvC ZZ8vDJTxR2jMv59oGKVx1aiPxOrkKYIm9A== X-Google-Smtp-Source: AGRyM1swggxPvtu1V0SgEWLP7512rRrUhjkoCMktdftvWJJYD9PE2NN3BWCmGIMw1UtRnfYyiUGNzA== X-Received: by 2002:a63:149:0:b0:40c:f753:2fb0 with SMTP id 70-20020a630149000000b0040cf7532fb0mr15687906pgb.172.1656390172716; Mon, 27 Jun 2022 21:22:52 -0700 (PDT) Received: from stoup.. ([122.255.60.245]) by smtp.gmail.com with ESMTPSA id jg6-20020a17090326c600b0016a087cfad8sm7994929plb.264.2022.06.27.21.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 21:22:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v4 38/45] linux-user/aarch64: Verify extra record lock succeeded Date: Tue, 28 Jun 2022 09:51:10 +0530 Message-Id: <20220628042117.368549-39-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220628042117.368549-1-richard.henderson@linaro.org> References: <20220628042117.368549-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- linux-user/aarch64/signal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index 8fbe98d72f..9ff79da4be 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -340,6 +340,9 @@ static int target_restore_sigframe(CPUARMState *env, __get_user(extra_size, &((struct target_extra_context *)ctx)->size); extra = lock_user(VERIFY_READ, extra_datap, extra_size, 0); + if (!extra) { + return 1; + } break; default: -- 2.34.1