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From: Kees Bakker <kees@ijzerbout.nl>
To: Huang Ying <ying.huang@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-cxl@vger.kernel.org,
	Dan Williams <dan.j.williams@intel.com>,
	David Hildenbrand <david@redhat.com>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Alistair Popple <apopple@nvidia.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Bjorn Helgaas <bhelgaas@google.com>, Baoquan He <bhe@redhat.com>
Subject: Re: [PATCH -v3 3/3] resource, kunit: Add test case for region_intersects()
Date: Sun, 29 Sep 2024 21:45:46 +0200	[thread overview]
Message-ID: <9c9586ab-0426-46c1-bcc6-6ee2927b7a86@ijzerbout.nl> (raw)
In-Reply-To: <20240906030713.204292-4-ying.huang@intel.com>

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Op 06-09-2024 om 05:07 schreef Huang Ying:
> [...]
> +static void resource_test_insert_resource(struct kunit *test, struct resource *parent,
> +					  resource_size_t start, resource_size_t size,
> +					  const char *name, unsigned long flags)
> +{
> +	struct resource *res;
> +
> +	res = kzalloc(sizeof(*res), GFP_KERNEL);
> +	KUNIT_ASSERT_NOT_NULL(test, res);
> +
> +	res->name = name;
> +	res->start = start;
> +	res->end = start + size - 1;
> +	res->flags = flags;
> +	if (insert_resource(parent, res)) {
> +		kfree(res);
> +		KUNIT_FAIL_AND_ABORT(test, "Fail to insert resource %pR\n", res);
Isn't this a user-after-free?
> +	}
> +
> +	kunit_add_action_or_reset(test, remove_free_resource, res);
> +}
>

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  reply	other threads:[~2024-09-29 19:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-06  3:07 [PATCH -v3 0/3] resource: Fix region_intersects() vs add_memory_driver_managed() Huang Ying
2024-09-06  3:07 ` [PATCH -v3 1/3] " Huang Ying
2024-09-08  3:24   ` Andrew Morton
2024-09-09  0:57     ` Huang, Ying
2024-09-06  3:07 ` [PATCH -v3 2/3] resource: Make alloc_free_mem_region() works for iomem_resource Huang Ying
2024-09-09  7:04   ` David Hildenbrand
2024-09-09  7:07     ` Huang, Ying
2024-09-09  8:04       ` David Hildenbrand
2024-09-06  3:07 ` [PATCH -v3 3/3] resource, kunit: Add test case for region_intersects() Huang Ying
2024-09-29 19:45   ` Kees Bakker [this message]
2024-09-30  0:53     ` Huang, Ying
2024-09-30 17:36       ` Kees Bakker

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