UBSAN: Undefined behaviour in /home/mathieu/tmp/linux-4.6.4/drivers/scsi/scsi_devinfo.c:458:21

Michael Ellerman mpe at
Tue Oct 4 17:25:37 AEDT 2016

Mathieu Malaterre <malat at> writes:

> On Sat, Oct 1, 2016 at 3:43 PM, Mathieu Malaterre <malat at> wrote:
> [...]
>> [    1.443124] UBSAN: Undefined behaviour in
>> /home/mathieu/tmp/linux-4.6.4/drivers/scsi/scsi_devinfo.c:458:21
> [...]
> Fixed by:


> Sorry for the noise.

No worries. UBSAN warnings can be either driver/subsystem or arch
specific, so if you hit any more it's probably best to send them to
linuxppc and also whatever the subsystem list is (eg. linux-scsi in this


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