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Re: [PATCH] wireless: airo: potential buffer overflow in sprintf()

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On Wed, Oct 24, 2018 at 11:56:53AM +0300, Kalle Valo wrote:
> Dan Carpenter <dan.carpenter@xxxxxxxxxx> writes:
> 
> > It looks like we wanted to print a maximum of BSSList_rid.ssidLen bytes
> > of the ssid, but we accidentally use "%*s" (width) instead of "%.*s"
> > (precision) so if the ssid doesn't have a NUL terminator this could lead
> > to an overflow.
> >
> > Fixes: e174961ca1a0 ("net: convert print_mac to %pM")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> > ---
> > Static analsysis.  Not tested.
> 
> IMHO this part (after "---" line) is important information and should be
> part of commit log. I can fix that.
> 

In my experience most maintainers disagree (with varying degrees of
intensity).

regards,
dan carpenter



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