Messages in this thread | | | Date | Fri, 16 Oct 2020 15:06:27 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 4.19 14/21] staging: comedi: check validity of wMaxPacketSize of usb endpoints found |
| |
Hi!
> From: Anant Thazhemadam <anant.thazhemadam@gmail.com> > > commit e1f13c879a7c21bd207dc6242455e8e3a1e88b40 upstream. > > While finding usb endpoints in vmk80xx_find_usb_endpoints(), check if > wMaxPacketSize = 0 for the endpoints found. > > Some devices have isochronous endpoints that have wMaxPacketSize = 0 > (as required by the USB-2 spec). > However, since this doesn't apply here, wMaxPacketSize = 0 can be > considered to be invalid. > > Reported-by: syzbot+009f546aa1370056b1c2@syzkaller.appspotmail.com > Tested-by: syzbot+009f546aa1370056b1c2@syzkaller.appspotmail.com > Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com> > Cc: stable <stable@vger.kernel.org> > Link: https://lore.kernel.org/r/20201010082933.5417-1-anant.thazhemadam@gmail.com > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Why duplicate Sign-off?
Best regards, Pavel -- http://www.livejournal.com/~pavelmachek [unhandled content-type:application/pgp-signature] | |