linux-kernel - Re: [PATCH v2 next] misc: pci_endpoint_test: Fix array underflow in pci_endpoint_test

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Message-ID: <175490983721.13838.10042092672738483937.b4-ty@kernel.org>
Date: Mon, 11 Aug 2025 16:27:24 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Frank Li <Frank.Li@....com>,
	Dan Carpenter <dan.carpenter@...aro.org>
Cc: Manivannan Sadhasivam <mani@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v2 next] misc: pci_endpoint_test: Fix array underflow in pci_endpoint_test_ioctl()


On Fri, 01 Aug 2025 20:03:35 +0300, Dan Carpenter wrote:
> Commit eefb83790a0d ("misc: pci_endpoint_test: Add doorbell test case")
> added NO_BAR (-1) to the pci_barno enum which, in practical terms,
> changes the enum from an unsigned int to a signed int.  If the user
> passes a negative number in pci_endpoint_test_ioctl() then it results in
> an array underflow in pci_endpoint_test_bar().
> 
> 
> [...]

Applied, thanks!

[1/1] misc: pci_endpoint_test: Fix array underflow in pci_endpoint_test_ioctl()
      (no commit info)

Best regards,
-- 
Manivannan Sadhasivam <mani@...nel.org>