Re: UBSAN: Undefined behaviour in linux-4.7.2/drivers/usb/core/devio.c:1713:25

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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 running"
> but maybe this is another issue and your patch did solve the devio.c problem.
> Unfortunately I cannot use the 4.7.2 kernel with ubsan and asan because
> I need the networkmanager running, as it is doing now on kernel version 4.6.6

The NetworkManager problem does look like something completely 
separate.

So thanks for testing the patch, and I will submit it soon.

Alan Stern

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