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 25535C43334 for ; Mon, 20 Jun 2022 18:52:42 +0000 (UTC) Received: from localhost ([::1]:46680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3MVt-0002Ka-6o for qemu-devel@archiver.kernel.org; Mon, 20 Jun 2022 14:52:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3LdJ-0002s4-A2 for qemu-devel@nongnu.org; Mon, 20 Jun 2022 13:56:18 -0400 Received: from mail-pg1-x530.google.com ([2607:f8b0:4864:20::530]:40706) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o3LdH-00021w-O7 for qemu-devel@nongnu.org; Mon, 20 Jun 2022 13:56:16 -0400 Received: by mail-pg1-x530.google.com with SMTP id f65so10894109pgc.7 for ; Mon, 20 Jun 2022 10:56:15 -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=cJBQmN8u5foW7DhxY3Kw9hOfAhVoKSajQ78GZeVWOW7yFy/GEv1bOnFG7rIofo0yx6 yE4APOAWhAw2s7JxGSxxgf5VuySEpcf2vF7Rpx1KXTdEcjZ7yM7BrHAQay3+mShMQkyb nZIfpoyDO4+7TBzVt4zPi4ipSP75XdTwZGHGAiZJJckCGIoQC41+djhLC/TK1lnPFSN8 ZxMj6lHQJAYLjNO2frI+AuQhNWlS3/Aycdzisgk/Jmt8Df4yYb4l0ZfHRvHBljQCyChO QrpTVAroJaX933MxEQlYTqnZMBkmvqRi2SLh1GJYKhAbr5c9rXBu7LMbSjusgO4oc1xF he7w== 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=63eZBhbmkbhnkYrehhRiJxw+6uXd3xmFRhCAL9cTjMwJ483UbRVZhmLaan4ZvcFcb9 5T/r3k2AXaBcewXasjXvw0nwaRdPRK14zIlDms52JsN2Em1luiomrADU7mmaC8Eyha73 FnFu4aSPtWm/tnIRD2CPD662qlygwjxM5NsAmjH10eMXLSgIMYBzBGYcku+ddo7qSJ7N r2tv1d466aqhxp8BcMdHJ77Nrc4PiHUMLl0mMIm50zgFQ12TEqwmdnIlOhDEYMU8Ld1e tYbAzbbZn6NEfnbWFGzgZ8riYfi5KYlP7OGSiWv+XrnqmRkwfpyq0Sh1MQakNDxbxMvb tgvg== X-Gm-Message-State: AJIora8hw+t/qTOQgr0UtJzGD9mHxqs1QXeRx2Rya/Hc3AcZlsCZeOWl BAOPEqUN9i3mJAnWs1Xmravc4HKDtzHE1w== X-Google-Smtp-Source: AGRyM1tlVm6+lQeIYC42uJQsN3JmSwqctCSB2quHEeKwaSvhvM8Z4k3YFqb+zqtAKcomg4CmYOmziA== X-Received: by 2002:a63:de01:0:b0:3fd:9833:cdcf with SMTP id f1-20020a63de01000000b003fd9833cdcfmr22321148pgg.315.1655747774968; Mon, 20 Jun 2022 10:56:14 -0700 (PDT) Received: from stoup.. ([2602:47:d49e:3c01:a3e0:8a80:7b85:aea6]) by smtp.gmail.com with ESMTPSA id z14-20020aa7990e000000b00525184bad54sm3850474pff.126.2022.06.20.10.56.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 10:56:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v3 44/51] linux-user/aarch64: Verify extra record lock succeeded Date: Mon, 20 Jun 2022 10:52:28 -0700 Message-Id: <20220620175235.60881-45-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220620175235.60881-1-richard.henderson@linaro.org> References: <20220620175235.60881-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::530; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x530.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