On Tue, 23 Aug 2016, Vittorio Zecca wrote:
> After applying the patch above the UBSAN issue in devio.c disappeared.
>
> However, I got the following messages in dmesg, probably due to a
> NetworkManager
> malfunctioning, and if I click on the NetworkManager icon I get
> "NetworkManager is not ru
After applying the patch above the UBSAN issue in devio.c disappeared.
However, I got the following messages in dmesg, probably due to a NetworkManager
malfunctioning, and if I click on the NetworkManager icon I get
"NetworkManager is not running"
but maybe this is another issue and your patch did
On Mon, 22 Aug 2016, Vittorio Zecca wrote:
> I can reproduce the UBSAN report by inserting in the USB receptacle a
> HUAWEI Mobile Broadband E353 HSPA+ USB Stick.
> If there is any patch I'll be happy to try it.
Thank you. Please let us know what happens with the patch below.
Alan Stern
Ind
I can reproduce the UBSAN report by inserting in the USB receptacle a
HUAWEI Mobile Broadband E353 HSPA+ USB Stick.
Alan Stern asked for /sys/kernel/debug/usb/devices:
cat debug-usb-devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2
B: Alloc= 0/800 us ( 0%), #Int= 0, #
On Mon, 22 Aug 2016, Bjørn Mork wrote:
> Alan Stern writes:
>
> > On Mon, 22 Aug 2016, Bjørn Mork wrote:
> >
> >> Alan Stern writes:
> >>
> >> > On Sun, 21 Aug 2016, Jiri Slaby wrote:
> >> >
> >> >> Cc: proper lists.
> >> >>
> >> >> ep->desc.bInterval seems to be 0 here.
> >
> >> > As far as
Alan Stern writes:
> On Mon, 22 Aug 2016, Bjørn Mork wrote:
>
>> Alan Stern writes:
>>
>> > On Sun, 21 Aug 2016, Jiri Slaby wrote:
>> >
>> >> Cc: proper lists.
>> >>
>> >> ep->desc.bInterval seems to be 0 here.
>
>> > As far as I can see, this isn't possible. The usb_parse_endpoint()
>> > r
On Mon, 22 Aug 2016, Bjørn Mork wrote:
> Alan Stern writes:
>
> > On Sun, 21 Aug 2016, Jiri Slaby wrote:
> >
> >> Cc: proper lists.
> >>
> >> ep->desc.bInterval seems to be 0 here.
> > As far as I can see, this isn't possible. The usb_parse_endpoint()
> > routine in drivers/usb/core/config.
o.c:1713 is "as->urb->interval = 1 << min(15, ep->desc.bInterval -
>> > 1);")
>> >
>> > [ +0.354486]
>> > ========
>> > [ +0.08] UBSAN: Undefined behaviour in
>> > /home/vitti/1tb/vitti/rpmbuild/SOURCES/linux-4.7.2/drivers/usb/core/devio.c:
=====
> > [ +0.08] UBSAN: Undefined behaviour in
> > /home/vitti/1tb/vitti/rpmbuild/SOURCES/linux-4.7.2/drivers/usb/core/devio.c:1713:25
> > [ +0.04] shift exponent -1 is negative
As far as I can see, this isn't po
ime:
>
> (devio.c:1713 is "as->urb->interval = 1 << min(15, ep->desc.bInterval - 1);")
>
> [ +0.354486]
>
> [ +0.08] UBSAN: Undefined behaviour in
> /home/vitti/1tb/
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