Re: [PATCH] net: nfc: nci: Fix parameter validation for packet data

[Michael Thalmeier]

On 12/9/25 17:31, Simon Horman wrote:
> On Tue, Dec 09, 2025 at 02:21:03PM +0100, Michael Thalmeier wrote:
> > Since commit 8fcc7315a10a ("net: nfc: nci: Add parameter validation for
> > packet data") communication with nci nfc chips is not working any more.
> >
> > The mentioned commit tries to fix access of uninitialized data, but
> > failed to understand that in some cases the data packet is of variable
> > length and can therefore not be compared to the maximum packet length
> > given by the sizeof(struct).
> >
> > For these cases it is only possible to check for minimum packet length.
> >
> > Fixes: 8fcc7315a10a ("net: nfc: nci: Add parameter validation for packet data")
>
> Hi Michael,
>
> I don't see that hash in net. Perhaps it should be:
>
> Fixes: 9c328f54741b ("net: nfc: nci: Add parameter validation for packet data")

Hi Simon,

You are right. This was a hash from a stable branch.
I will send a v2.

> > Cc: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Michael Thalmeier <michael.thalmeier@xxxxxxx>
>
> ...