Re: [PATCH RFT] net: asix: add proper error handling of usb read errors

[Pavel Skripkin]

Hi Greg,

On 1/18/22 09:18, Greg KH wrote:
> On Mon, Jan 17, 2022 at 10:31:21PM +0300, Pavel Skripkin wrote:
> > On 1/5/22 16:19, Pavel Skripkin wrote:
> > > Syzbot once again hit uninit value in asix driver. The problem still the
> > > same -- asix_read_cmd() reads less bytes, than was requested by caller.
> > > 
> > > Since all read requests are performed via asix_read_cmd() let's catch
> > > usb related error there and add __must_check notation to be sure all
> > > callers actually check return value.
> > > 
> > > So, this patch adds sanity check inside asix_read_cmd(), that simply
> > > checks if bytes read are not less, than was requested and adds missing
> > > error handling of asix_read_cmd() all across the driver code.
> > > 
> > > Fixes: d9fe64e51114 ("net: asix: Add in_pm parameter")
> > > Reported-and-tested-by: syzbot+6ca9f7867b77c2d316ac@xxxxxxxxxxxxxxxxxxxxxxxxx
> > > Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
> > > ---
> >
> > gentle ping :)
>
> It's the middle of a merge window, and you ask for testing before it can
> be applied?

I indeed lost track of days, sorry for bothering during merge window, my 
bad.

FYI, this patch was tested by Oleksij [1], that why I decided to ping, 
but as I said I lost track of days a bit

[1] https://lore.kernel.org/all/20220105141535.GI303@xxxxxxxxxxxxxx/


With regards,
Pavel Skripkin