linux-kernel - Re: [PATCH] xhci: tegra: fix checked USB2 port number

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Message-ID: <2024101116-popper-grid-1e58@gregkh>
Date: Fri, 11 Oct 2024 10:03:32 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: henryl <henryl@...dia.com>
Cc: Mathias Nyman <mathias.nyman@...el.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>, linux-usb@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xhci: tegra: fix checked USB2 port number

On Fri, Oct 11, 2024 at 03:22:40PM +0800, henryl wrote:
> From: Henry Lin <henryl@...dia.com>
> 
> USB2 root hub in VF may contain less port number than supported USB2
> phy number. Checking all USB2 phy number here would cause invalid
> memory access.
> 
> [  116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f
> ...
> [  117.213640] Call trace:
> [  117.216783]  tegra_xusb_enter_elpg+0x23c/0x658
> [  117.222021]  tegra_xusb_runtime_suspend+0x40/0x68
> [  117.227260]  pm_generic_runtime_suspend+0x30/0x50
> [  117.232847]  __rpm_callback+0x84/0x3c0
> [  117.237038]  rpm_suspend+0x2dc/0x740
> [  117.241229] pm_runtime_work+0xa0/0xb8
> [  117.245769]  process_scheduled_works+0x24c/0x478
> [  117.251007]  worker_thread+0x23c/0x328
> [  117.255547]  kthread+0x104/0x1b0
> [  117.259389]  ret_from_fork+0x10/0x20
> [  117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)
> 
> Signed-off-by: Henry Lin <henryl@...dia.com>

What commit id does this fix?  Should it be backported?

thanks,

greg k-h