From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
qemu-arm@nongnu.org, "Glenn Miles" <milesg@linux.ibm.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Stefan Berger" <stefanb@linux.vnet.ibm.com>,
"Daniel P . Berrangé" <berrange@redhat.com>
Subject: Re: [PATCH 0/4] system: Forbid alloca()
Date: Fri, 06 Jun 2025 09:44:52 +0100 [thread overview]
Message-ID: <87h60t5ke3.fsf@draig.linaro.org> (raw)
In-Reply-To: <20250605193540.59874-1-philmd@linaro.org> ("Philippe Mathieu-Daudé"'s message of "Thu, 5 Jun 2025 21:35:36 +0200")
Philippe Mathieu-Daudé <philmd@linaro.org> writes:
> Eradicate alloca() uses on system code, then enable
> -Walloca to prevent new ones to creep back in.
Should we also mention it in style.rst:
Use of the ``malloc/free/realloc/calloc/valloc/memalign/posix_memalign``
APIs is not allowed in the QEMU codebase. Instead of these routines,
>
> 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(-)
--
Alex Bennée
Virtualisation Tech Lead @ Linaro
next prev parent reply other threads:[~2025-06-06 8:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-05 19:35 [PATCH 0/4] system: Forbid alloca() Philippe Mathieu-Daudé
2025-06-05 19:35 ` [PATCH 1/4] hw/gpio/pca9552: Avoid using g_newa() Philippe Mathieu-Daudé
2025-06-05 21:03 ` Miles Glenn
2025-06-05 19:35 ` [PATCH 2/4] backends/tpmL Avoid using g_alloca() Philippe Mathieu-Daudé
2025-06-05 21:23 ` BALATON Zoltan
2025-06-06 7:00 ` Philippe Mathieu-Daudé
2025-06-06 8:14 ` Thomas Huth
2025-06-08 19:09 ` Stefan Berger
2025-06-08 19:07 ` Stefan Berger
2025-06-05 19:35 ` [PATCH 3/4] tests/unit/test-char: " Philippe Mathieu-Daudé
2025-06-05 20:53 ` Pierrick Bouvier
2025-06-06 6:09 ` Philippe Mathieu-Daudé
2025-06-06 16:18 ` Pierrick Bouvier
2025-06-05 19:35 ` [RFC PATCH 4/4] buildsys: Prohibit alloca() use on system code Philippe Mathieu-Daudé
2025-06-05 20:53 ` [PATCH 0/4] system: Forbid alloca() Pierrick Bouvier
2025-06-06 8:37 ` Peter Maydell
2025-06-06 8:53 ` Philippe Mathieu-Daudé
2025-06-06 8:44 ` Alex Bennée [this message]
2025-06-09 13:46 ` Stefan Hajnoczi
2025-06-10 9:29 ` Philippe Mathieu-Daudé
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