linux-kernel - Re: [PATCH] PCI: rcar-ep: Fix the issue of the name parameter when calling devm_request_mem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5f8d43fe-25e3-450d-b5c2-2d69b9bc9923@omp.ru>
Date: Sat, 4 Jan 2025 11:37:47 +0300
From: Sergey Shtylyov <s.shtylyov@....ru>
To: <kingdix10@...com>, <marek.vasut+renesas@...il.com>,
	<yoshihiro.shimoda.uh@...esas.com>, <lpieralisi@...nel.org>, <kw@...ux.com>,
	<manivannan.sadhasivam@...aro.org>, <robh@...nel.org>, <bhelgaas@...gle.com>
CC: <linux-pci@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: rcar-ep: Fix the issue of the name parameter when
 calling devm_request_mem_region

On 1/4/25 6:39 AM, kingdix10@...com wrote:

> From: King Dix <kingdix10@...com>
> 
> When using devm_request_mem_region to request a resource, if the passed
> variable is a stack string variable, it will lead to an oops issue when
> eecuting the command cat /proc/iomem.
> 
> Fix this by replacing outbound_name with the name of the previously
> requested resource.
> 
> Signed-off-by: King Dix <kingdix10@...com>
> ---
>  drivers/pci/controller/pcie-rcar-ep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/pcie-rcar-ep.c b/drivers/pci/controller/pcie-rcar-ep.c
> index 047e2cef5afc..464f8f29390c 100644
> --- a/drivers/pci/controller/pcie-rcar-ep.c
> +++ b/drivers/pci/controller/pcie-rcar-ep.c
> @@ -107,7 +107,7 @@ static int rcar_pcie_parse_outbound_ranges(struct rcar_pcie_endpoint *ep,
>  		}
>  		if (!devm_request_mem_region(&pdev->dev, res->start,
>  					     resource_size(res),
> -					     outbound_name)) {
> +						 res->name)) {

   Why this strange indentation?

[...]

MBR, Sergey