linux-kernel - Re: [PATCH v2] HID: hid-ntrig: fix unable to handle page fault in ntrig_report

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Message-Id: <175508601806.12409.17351034009690656147.b4-ty@kernel.org>
Date: Wed, 13 Aug 2025 13:53:38 +0200
From: Benjamin Tissoires <bentiss@...nel.org>
To: Jiri Kosina <jikos@...nel.org>, Minjong Kim <minbell.kim@...sung.com>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] HID: hid-ntrig: fix unable to handle page fault in
 ntrig_report_version()

On Wed, 13 Aug 2025 19:30:22 +0900, Minjong Kim wrote:
> in ntrig_report_version(), hdev parameter passed from hid_probe().
> sending descriptor to /dev/uhid can make hdev->dev.parent->parent to null
> if hdev->dev.parent->parent is null, usb_dev has
> invalid address(0xffffffffffffff58) that hid_to_usb_dev(hdev) returned
> when usb_rcvctrlpipe() use usb_dev,it trigger
> page fault error for address(0xffffffffffffff58)
> 
> [...]

Applied to hid/hid.git (for-6.17/upstream-fixes), thanks!

[1/1] HID: hid-ntrig: fix unable to handle page fault in ntrig_report_version()
      https://git.kernel.org/hid/hid/c/185c926283da

Cheers,
-- 
Benjamin Tissoires <bentiss@...nel.org>