From patchwork Thu Jun 2 21:48:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 578184 Delivered-To: patch@linaro.org Received: by 2002:a05:7000:5806:0:0:0:0 with SMTP id j6csp987627max; Thu, 2 Jun 2022 16:06:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwPLqEEkxajhy5E0LckwxxoUWgPjqWijVzxmUSA1NPfTAe81yxO42bLLkJHAHGhtTAx7w2e X-Received: by 2002:a05:620a:b89:b0:6a3:4c5d:375d with SMTP id k9-20020a05620a0b8900b006a34c5d375dmr4805873qkh.249.1654211174242; Thu, 02 Jun 2022 16:06:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1654211174; cv=none; d=google.com; s=arc-20160816; b=WMxXfnMJZEK9l5G1coM5EWh05+TtlZpqKRIwKiBs4lxgBMArnoy0lcEsBKMbGtyA1R g3BvylXOYycQjb6+Q40xCyWqa5/YN2FGIaZcFLJT0UJe5kN7FhAj7IJbYzIURwd+8gdq Ij+xKE2rw/jYfThSIdo5hnTRJK+zUh7ltjdrrtH2KUaxYMrSPkXBauSCIThvBwZGcjaD GFl4oAi1uWlSwtcc7a6qacR28ShxJuva49zz7+LtxCGy6gERg+PlDkaC7ibH0786RKSi tVmeH9E15pfrMaOp7VMq0jJqspUcmpBZRrAM2nKXle6sexO9npUJMpPi2s+/GpJ5Qxqm BOwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=SAiy4u2+hcjlkm4K4/FWEX6wsTP/y8YNbat6sNJslGQ=; b=hRKzE/jn4Sr623NS1mQJ6eM6gxU83y0Mzn/ry1pWsO4+jR3gdpaG8JiPtysr9ptZ/m uuqmn33YP6Z+Hb+D05Qs8kfUwxRCzK8gSU1pXXDnEMaS8csDKrKJoblYIUuljPkaYDp9 MHVzlZsWxZn9ViuWyDlhGt6UEkwyDsYocPdGtmsD7s//MvW+3QgzUQ04zzNjFTnr26QD AJacVYjAjw7JfJrH5wN3blxFBywnl49OlpSABZ+qZUilZBb45ru7ITJSgveZLyqN0TDg ePHitXYdTq4S9J60fGDrbA1xaluG27RjzvOYnkqJaGz77jNtUiydor44vnf0CIYmChwn cREg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=LZVb9I1g; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id gi2-20020a056214248200b00464579c5a01si2670733qvb.0.2022.06.02.16.06.14 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 02 Jun 2022 16:06:14 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=LZVb9I1g; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:54752 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nwttN-0001Yp-OD for patch@linaro.org; Thu, 02 Jun 2022 19:06:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38868) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwskQ-0001il-Ex for qemu-devel@nongnu.org; Thu, 02 Jun 2022 17:52:59 -0400 Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]:33787) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nwskN-0000vZ-EB for qemu-devel@nongnu.org; Thu, 02 Jun 2022 17:52:54 -0400 Received: by mail-pl1-x62b.google.com with SMTP id s12so5586268plp.0 for ; Thu, 02 Jun 2022 14:52:51 -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=SAiy4u2+hcjlkm4K4/FWEX6wsTP/y8YNbat6sNJslGQ=; b=LZVb9I1gjy3lEmOuvnrHzTPD7EeKZn7wicuW1n8fOgUHmjSpU1grEBNZyO63gg2mrZ WZHmeKlrfKOK4D1d47Zfizvroehz1IZRLT/CjqPGyj0sJDuW8yzGfG2kYj7Llz17jLF0 YIe8pgLJgqXQ1wlI33LlPkIY+ARw5x2MEforEkIwMLIL6/qdp9eA2M79DEhG1LLeToSj 4KgDKjMX/uE4hNsk4H6hLzlep/EoVUgbeCf/KqHABZVQDfr2XoQSXYIZMgTvqMe/logg 3FgiVTwOlqwHLawAlIe3prLge6UX5I3jP6jtCqZYuCPSGw3Xp6VPfvv1CfoqG/tqvTJM N3KA== 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=SAiy4u2+hcjlkm4K4/FWEX6wsTP/y8YNbat6sNJslGQ=; b=6hpOUyGYj1rAC6FZBNX/qkvee8n4Y0r8KfSvmBpGtf6d9g7Z9lk6RG3cHVQCT/YBry Aqi/e+gxdTDTSL9EPsMhzgZPVlyhGcKA50I2yVHFWKtizYn/p8uLkzoFHpXCDsgA4738 PViWakLBMxsSl67Itmb7jy6mAHT9w6NbFg0RJpg+PVr+qK0EUN0ENiM7HD9f20HY7xuW fR+Go2N5qPfWFcoEARRvR+vd+pmw/49iue9ySuULH4CMetW/iMWcZrSZq3Dsu7E3f2D7 Px7bG3AMT0Fru4L9K48cybuUI1+0wd4XfXyqOmRaZ/m3d7OUEPbbbKC47pWqC6+YYEU6 NXGw== X-Gm-Message-State: AOAM531xLEZuKtnNvwI1QcnjkiHgLZzRbo6/PDXX0SvABVrztdzSPoUL D6LjZHCnePGGgJI7fH+f4QpbLxaaIVmUJg== X-Received: by 2002:a17:902:bf06:b0:14d:8c72:96c6 with SMTP id bi6-20020a170902bf0600b0014d8c7296c6mr7019950plb.156.1654206770666; Thu, 02 Jun 2022 14:52:50 -0700 (PDT) Received: from stoup.. (174-21-71-225.tukw.qwest.net. [174.21.71.225]) by smtp.gmail.com with ESMTPSA id e14-20020a170902ed8e00b0015edfccfdb5sm4039605plj.50.2022.06.02.14.52.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jun 2022 14:52:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 64/71] linux-user/aarch64: Verify extra record lock succeeded Date: Thu, 2 Jun 2022 14:48:46 -0700 Message-Id: <20220602214853.496211-65-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220602214853.496211-1-richard.henderson@linaro.org> References: <20220602214853.496211-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.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+patch=linaro.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 590f2258b2..711fd19701 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: