From patchwork Tue Feb 27 18:48:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13574309 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 61E3EC54E41 for ; Tue, 27 Feb 2024 18:50:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rf2VW-0006YM-NC; Tue, 27 Feb 2024 13:48:50 -0500 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 1rf2VV-0006Xh-0F for qemu-devel@nongnu.org; Tue, 27 Feb 2024 13:48:49 -0500 Received: from mail-oi1-x22f.google.com ([2607:f8b0:4864:20::22f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rf2VT-0001U9-FV for qemu-devel@nongnu.org; Tue, 27 Feb 2024 13:48:48 -0500 Received: by mail-oi1-x22f.google.com with SMTP id 5614622812f47-3c1af1e8b7eso445288b6e.2 for ; Tue, 27 Feb 2024 10:48:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1709059726; x=1709664526; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zYkpQqoaMHDWxrt9KPP15xrK5H9LSGOtZoW36Ee0L04=; b=VA8hDsFtP/U5ZrVOFtU3Ar9rJaOaPmhzPwUj6uOh0SB5bc7mAJN+uFnI0GiTccwyJ+ mTrwRMP81OXovg9aYIRzXYnbsCZwerjMnyaDXi8X6URpMvgEAYI7znB6oV8brnJWdoWK rWtM64LlFJAuM8Cugkhvg6j4XRXLXi3NnqSC8YOdzxP3hgkcCuPhuI3H79Jk5Nobmw0s m3osep7lFdJ0eNTsZ9YO/SDtgq/RqrsU/jvWZHeiyrZAl6Ca8vu4JzsOAnm01LiFdDp5 w7yRLACAqp5G7OedZWCpql1Br9VTY31BHWeofdTS6ZLRgP8x4kP/uSVwqr4zjw1SEse9 u+Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709059726; x=1709664526; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zYkpQqoaMHDWxrt9KPP15xrK5H9LSGOtZoW36Ee0L04=; b=Ri5/wioFFVC8qKQ6eF9v5lUZ6s2QR3c4GG0NBse32ufmFYCjOS8I5zTMn4DJorgEdJ EtbnMaLRF5WaC3NxV90wrVbfKX64M7Nu0vaS8wABZn2O/3NWNrHdq3mcyoIYKY37gpKD R6tDRtJuaHQEQ+jw9ZRBKXy0jQjMtUCNjg2EGjfepSiGRebY2ahfk+hWg15svcLzA7L5 iPD220KHKaGvXHfQn+R3w4dhEdzNeFhdL3cCkjXPLa28bH1WNs91Ygq6fxUxsKGIr2lS 3SuloKwbLz7V5NN5bMa9l4t+qLBYV5+E3YaaYktjsjI8JH+7PI8nsNITQeO0jfOZ5aYK 0RbA== X-Gm-Message-State: AOJu0YwQs/HIi+oV10yYXGt8qP+rmqOJDj83+83yjitsZIEkbnfv2qNz iTP7iIwPacC2d8TjOvTYCvR2hEnzpsqIunbPml5xiXyYfFfD+xt0hpfwM2S0+5cEgWavD8Zah0G U X-Google-Smtp-Source: AGHT+IGbroZPuT2hux0sBwLB5diBCFIKWAkiEFoVPCzX9kQ/QIs+F0lBbebIqJzQswjoifmIiV7/Dg== X-Received: by 2002:aca:130f:0:b0:3c1:6526:1342 with SMTP id e15-20020aca130f000000b003c165261342mr2910324oii.45.1709059726331; Tue, 27 Feb 2024 10:48:46 -0800 (PST) Received: from stoup.. (098-147-055-211.res.spectrum.com. [98.147.55.211]) by smtp.gmail.com with ESMTPSA id h26-20020aa786da000000b006e555d40951sm533465pfo.188.2024.02.27.10.48.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 10:48:45 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org Subject: [PATCH 07/14] linux-user/elfload: Truncate core file on open Date: Tue, 27 Feb 2024 08:48:26 -1000 Message-Id: <20240227184833.193836-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240227184833.193836-1-richard.henderson@linaro.org> References: <20240227184833.193836-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::22f; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x22f.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-bounces+qemu-devel=archiver.kernel.org@nongnu.org While we usually create a new corefile, truncate otherwise. Signed-off-by: Richard Henderson --- linux-user/elfload.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 877799e9c7..16dd08a828 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -4652,7 +4652,7 @@ static int elf_core_dump(int signr, const CPUArchState *env) { g_autofree char *corefile = core_dump_filename(ts); - fd = open(corefile, O_WRONLY | O_CREAT, + fd = open(corefile, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); } if (fd < 0) {