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 33EBEC433EF for ; Tue, 7 Jun 2022 21:55:57 +0000 (UTC) Received: from localhost ([::1]:45304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nyhB6-00038Z-0G for qemu-devel@archiver.kernel.org; Tue, 07 Jun 2022 17:55:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nyfwx-0007Q5-VU for qemu-devel@nongnu.org; Tue, 07 Jun 2022 16:37:15 -0400 Received: from mail-pj1-x102c.google.com ([2607:f8b0:4864:20::102c]:43879) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nyfwp-0008EG-KU for qemu-devel@nongnu.org; Tue, 07 Jun 2022 16:37:15 -0400 Received: by mail-pj1-x102c.google.com with SMTP id l7-20020a17090aaa8700b001dd1a5b9965so16437566pjq.2 for ; Tue, 07 Jun 2022 13:37:07 -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=QNhECIZfk7oXX4TE9R87booFQt9t/T50LAmiq+zoqQAZWrgkT2o3S0mGBjzposkb3R mjlJu02Yf2dyBm4Qk8xn5vqhrpZoX+NSPyRjYV2+33wvHUyUrvsajSKKQR/01XZZfJh7 6UKU7JjIf38Lqwjgfdb9gbT7gZf2G7t2GbM6BntHq58P/hPgSXbeusjsYQckeA/WtA6n w4ebrTZUJKCRutmsTRUn7ngtRmcJptOYxYewcJUCQ1392Df3avAEEfuuEvRRhCMkHVDt R1PmDBkVhgBDyOd9I6+wtQFj+cYYFV3hppR0yDqZbsa1Z0wTIlg09E0aOxCJE0Lpfpmc sOzQ== 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=Se8IwUeqDnipzfdbm/yTcoJ0BJvsqhqc55HGhWMpz81ecKW2t7ccfvNKB6XAH4Htyr LlmkimwSJ0XkEd8Ui3GHwduB/WE2y/U7xoo5fAAAk/J85AHRPlZOt6zMhAara5sFt/nT xh5O2j3fPTOBJ4lAP5BTVEfNFsOtBseur8zD0raSvBQsfWx+iQYKXHriiW9t7OlqPf/U G83jDm+Ufz9cIE0Ik/QvK+FYo0irIkXQy79Fz+ooNoOenqZh4DXSAaeOAZge6Qtjhoz8 43tkZL+L2Oqhc7m9pPCu3lle7KN+DWGsuJkQTnIl2yY8g7B0lSW4gfCDykzSS6F1TlY8 EPQA== X-Gm-Message-State: AOAM532thAfos7zLdGF6e5QDbT2qFGHIyHghw2MPVVGhY8MB9r7yXYPi R4/rID7MGKAjrwYB+PHCqovHSD6QAMAzOw== X-Google-Smtp-Source: ABdhPJyYDX8Sz9L6YeNXCXmAX0L+YGForVYpAU+/sm8dtYydW71MxkGOC+xpb+HTi+I9m/7OF/3v8A== X-Received: by 2002:a17:90a:fb93:b0:1e8:a809:af4d with SMTP id cp19-20020a17090afb9300b001e8a809af4dmr4690771pjb.7.1654634226886; Tue, 07 Jun 2022 13:37:06 -0700 (PDT) Received: from stoup.. ([2602:ae:1547:e101:3cf2:c634:5b19:25f6]) by smtp.gmail.com with ESMTPSA id s18-20020aa78d52000000b0050dc76281fdsm13235645pfe.215.2022.06.07.13.37.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 13:37:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Subject: [PATCH v2 64/71] linux-user/aarch64: Verify extra record lock succeeded Date: Tue, 7 Jun 2022 13:32:59 -0700 Message-Id: <20220607203306.657998-65-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220607203306.657998-1-richard.henderson@linaro.org> References: <20220607203306.657998-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102c.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