Patch "HID: uhid: Over-ride the default maximum data buffer value with our own" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    HID: uhid: Over-ride the default maximum data buffer value with our own

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hid-uhid-over-ride-the-default-maximum-data-buffer-value-with-our-own.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From stable-owner@xxxxxxxxxxxxxxx Mon Mar 20 14:06:53 2023
From: Lee Jones <lee@xxxxxxxxxx>
Date: Mon, 20 Mar 2023 13:06:32 +0000
Subject: HID: uhid: Over-ride the default maximum data buffer value with our own
To: lee@xxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx, Jiri Kosina <jkosina@xxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Message-ID: <20230320130632.2770364-2-lee@xxxxxxxxxx>

From: Lee Jones <lee@xxxxxxxxxx>

commit 1c5d4221240a233df2440fe75c881465cdf8da07 upstream.

The default maximum data buffer size for this interface is UHID_DATA_MAX
(4k).  When data buffers are being processed, ensure this value is used
when ensuring the sanity, rather than a value between the user provided
value and HID_MAX_BUFFER_SIZE (16k).

Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/hid/uhid.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -395,6 +395,7 @@ struct hid_ll_driver uhid_hid_driver = {
 	.parse = uhid_hid_parse,
 	.raw_request = uhid_hid_raw_request,
 	.output_report = uhid_hid_output_report,
+	.max_buffer_size = UHID_DATA_MAX,
 };
 EXPORT_SYMBOL_GPL(uhid_hid_driver);
 


Patches currently in stable-queue which might be from stable-owner@xxxxxxxxxxxxxxx are

queue-5.4/hid-uhid-over-ride-the-default-maximum-data-buffer-value-with-our-own.patch
queue-5.4/hid-core-provide-new-max_buffer_size-attribute-to-over-ride-the-default.patch



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