Re: Memory (skb) leak in kernel 4.8-rc2

[Larry Finger]

On 08/21/2016 07:09 AM, Frederic Dalleau wrote:
> Hi Marcel, Johan,
>
> > > > I am unable to unload module bluetooth to verify that the second
> > > > leak is not a false positive; however, the one in btusb is a real
> > > > memory leak.
>
> There was a bugzilla last week with that backtrace:
> https://bugzilla.kernel.org/show_bug.cgi?id=120691
>
> At the time, I was thinking that the leak could originate from one of the
> req_complete_skb callback, but which one?
>
> And today that the issue has popped again, I found that hci_req_sync_complete
> references the skb in hdev->req_skb. It is called (via hci_req_run_skb) from
> either __hci_cmd_sync_ev which will pass the skb to the caller, or
> __hci_req_sync which leaks.
>
> I have a patch on the grill.

Frédéric,

Any progress on this patch?

Thanks,

Larry