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 9F9DCC5B555 for ; Thu, 5 Jun 2025 19:36:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uNGNa-0006hm-3y; Thu, 05 Jun 2025 15:35:58 -0400 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 1uNGNO-0006gO-Oj for qemu-devel@nongnu.org; Thu, 05 Jun 2025 15:35:47 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uNGNN-00015N-6k for qemu-devel@nongnu.org; Thu, 05 Jun 2025 15:35:46 -0400 Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-450cfb79177so7441505e9.0 for ; Thu, 05 Jun 2025 12:35:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1749152143; x=1749756943; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ACcXdrmAYYNSlTqlDqHpslwOf43nPNTD1Sa9tjGMI5o=; b=tb+gOf8yyzSgEbplq/aOHjCFzqleIzyjdAUJwgV96kgD7hSEl3fXmxNKebTr9NBV1/ csJ0MmTP5vsV62x6M0G0CwYLmXaqBPq7e35OQUTQTpITyHMEmMkR965iCiwdTRVofYaS YpMLIUiGmMbPqhxTwWI9PNE0Dcq6RlwVzYM/sCmeqWvGRWRUFPFxFggIEy0VrHf1L8zn 9C7rAgTSasp5swFJAcYi2LolWcOILpS7EwjQ9yXIRD9qo2Z7Uh07clAYkz2VWc1O3W/d afDLWMDm7QQkNjYeKrB/jGAaT0qMMUyX1I1Cuh+3c5LRYed0JmF37wMHsmQHjR4jxpZu kvlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749152143; x=1749756943; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ACcXdrmAYYNSlTqlDqHpslwOf43nPNTD1Sa9tjGMI5o=; b=sIo88sZFJkgaJYGQVG9UeApTRa2TYKxTfUdzmDCTpjFkqZYlT1KFBgDs/teUWOlajj Ks4U8w5zUOwOX01e8dNnxqWJKqXBpsycZLRXRlC12z2S7xfVakjvL9XMmVt1PCiy+IHg flvpEj97UhHgoUMJrYR6IbbYt955AfoafTbZXiritMrjXxH5OhDdmgUeUfAX8pU7BFmE YkjnY2JjytinFehE0Q3koNYYJ9WUFh10oOVv1n9b9Ovt6wlx+e0iEb+Lb8GfWAxwnucE zX3SXJqtMdTA1PhsitGPdsSVMv+epeWsLip2vV03Z+WbGjcZpaCf0MaHbZFcpd1Igi5I Xrrg== X-Gm-Message-State: AOJu0YwQPUpNUyGJ5l0tM+1lN9K6hoc8DX5P1XgzTtrUqqJVBJcbWV8k QAyjg66jmtgAOgw90eXIAku1K2sCPoYYckCV6ZQecZkNsXAwnP/Ol+PP7BeavdRa3y4IMxyNfji aTQP1F4U= X-Gm-Gg: ASbGncu8VXuBs4YIVLL4Q8oHeffU3bdwT42tfWyoZ8GipZUPkSvYgNAZS84za/EsOpP muGWpjO9ZWKD8aKWmhzFWaF8OsSdCHyzAVkdaYXuoWjs1gv6h0M1atA8vQG1lmpyUlARbJtMHrp xYCSY7dVmDZwnqciS0U+37P7lpMnR2KODDtXc0XliCLV49S/LfwD5rPUVrFeIP65WoodlqBzbk0 fG64eygY9VTUchnrAzPrvi6hgU29agPBjlGIvlyKLpVyxbH0zeWMR4aC13Q0BqrWlYjCVZynUap xmT+OQJ/OCtQDVdnezOjcg/kKX8qdWjA/9VXf06zQK4eOnHvuT13WmZv+xudvw+7TG/KetauwZA CV3ItOs4uYKH2OUSGc5WxXhjXTg== X-Google-Smtp-Source: AGHT+IEuKt4XcWyk0bz/icZ8vtPJix8QUnKQptc0D8ioDsf844EYKuKL22MgvZaPiro4IXFu8m0OiQ== X-Received: by 2002:a05:600c:6989:b0:442:e9eb:1b48 with SMTP id 5b1f17b1804b1-452014977f7mr5652195e9.24.1749152143192; Thu, 05 Jun 2025 12:35:43 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a5322ab845sm76228f8f.24.2025.06.05.12.35.41 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 05 Jun 2025 12:35:42 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Paolo Bonzini , qemu-arm@nongnu.org, Glenn Miles , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Peter Maydell , Stefan Hajnoczi , Stefan Berger , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Subject: [PATCH 0/4] system: Forbid alloca() Date: Thu, 5 Jun 2025 21:35:36 +0200 Message-ID: <20250605193540.59874-1-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.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 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 Eradicate alloca() uses on system code, then enable -Walloca to prevent new ones to creep back in. Philippe Mathieu-Daudé (4): hw/gpio/pca9552: Avoid using g_newa() backends/tpmL Avoid using g_alloca() tests/unit/test-char: Avoid using g_alloca() buildsys: Prohibit alloca() use on system code meson.build | 4 ++++ backends/tpm/tpm_emulator.c | 4 ++-- hw/gpio/pca9552.c | 2 +- tests/unit/test-char.c | 3 +-- 4 files changed, 8 insertions(+), 5 deletions(-) -- 2.49.0