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From: "jiale yao" <19888972804@163.com>
To: "Marc Zyngier" <maz@kernel.org>
Cc: "Paul Walmsley" <pjw@kernel.org>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Alexandre Ghiti" <alex@ghiti.fr>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Thomas Gleixner" <tglx@kernel.org>,
	"Radu Rendec" <radu@rendec.net>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"WANG Xuerui" <kernel@xen0n.name>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Anup Patel" <anup@brainfault.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	"Sunil V L" <sunilvl@ventanamicro.com>,
	"Andrew Jones" <andrew.jones@linux.dev>,
	"Jonathan Cameron" <jic23@kernel.org>,
	"Hanjun Guo" <guohanjun@huawei.com>,
	"Tomasz Nowicki" <tomasz.nowicki@linaro.org>,
	"Grant Likely" <grant.likely@linaro.org>,
	"Jason Cooper" <jason@lakedaemon.net>,
	"Robert Richter" <rrichter@cavium.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Liupu Wang" <wangliupu@loongson.cn>,
	"Tianyang Zhang" <zhangtianyang@loongson.cn>,
	"Jianmin Lv" <lvjianmin@loongson.cn>,
	"Conor Dooley" <conor.dooley@microchip.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
	linux-mips@vger.kernel.org
Subject: Re:Re: [PATCH 00/12] irqchip: validate remaining MADT records before use
Date: Thu, 29 Oct 2026 12:01:31 +0800 (CST)	[thread overview]
Message-ID: <2625137e.39a5.1a185d1f222.Coremail.19888972804@163.com> (raw)
In-Reply-To: <86qzhaxmh5.wl-maz@kernel.org>

At 2026-10-28 16:23:18, "Marc Zyngier" <maz@kernel.org> wrote:
>On Wed, 28 Oct 2026 05:00:27 +0000,
>Jiale Yao <yaojiale02@163.com> wrote:
>> 
>> Several ACPI interrupt-controller callbacks cast generic MADT subtable
>> headers to controller-specific records and access typed fields without
>> first checking that the firmware supplied the complete structure. A
>> truncated entry can therefore cause an out-of-bounds read during early
>> interrupt-controller and CPU discovery.
>> 
>> Add the missing minimum-size checks at the callback boundaries. Records
>> which are passed from a probe validator to an initialization callback are
>> validated once in the validator, before either callback accesses them.
>> 
>> The issues were found by code inspection and have not been tested on real
>> hardware.
>
>How does this compare to the series posted at [1]?
>
>No version number, no change log, and not even an attempt at a QEMU
>test run. If you want people to review this stuff, you need to up your
>game a tiny bit.
>
>	M.
>
>[1] https://lore.kernel.org/20261021144524.364143-1-yaojiale02@163.com

Thanks for your review, I have added test information, with a new series.

https://lore.kernel.org/lkml/20261029035253.2333852-1-yaojiale02@163.com/


>
>-- 
>Without deviation from the norm, progress is not possible.

      reply	other threads:[~2026-10-29  4:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-28  5:00 Jiale Yao
2026-10-28  5:00 ` [PATCH 01/12] riscv: acpi: validate RINTC entries " Jiale Yao
2026-10-28  5:00 ` [PATCH 02/12] irqchip/gic-v5-irs: validate MADT GICC entries Jiale Yao
2026-10-28  5:00 ` [PATCH 03/12] irqchip/gic-v5-irs: validate MADT IRS entries Jiale Yao
2026-10-28  5:00 ` [PATCH 04/12] irqchip/gic-v5: validate MADT IRS records Jiale Yao
2026-10-28  5:00 ` [PATCH 05/12] irqchip/gic: validate MADT distributor records Jiale Yao
2026-10-28  5:00 ` [PATCH 06/12] irqchip/loongarch-avec: validate MADT MSI-PIC entries Jiale Yao
2026-10-28  5:00 ` [PATCH 07/12] irqchip/loongarch-ir: " Jiale Yao
2026-10-28  5:00 ` [PATCH 08/12] irqchip/loongson-htvec: validate MADT BIO-PIC entries Jiale Yao
2026-10-28  5:00 ` [PATCH 09/12] irqchip/loongson-htvec: validate MADT MSI-PIC entries Jiale Yao
2026-10-28  5:00 ` [PATCH 10/12] irqchip/loongson-liointc: validate MADT HT-PIC entries Jiale Yao
2026-10-28  8:23 ` [PATCH 00/12] irqchip: validate remaining MADT records before use Marc Zyngier
2026-10-29  4:01   ` jiale yao [this message]

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