On Sat 28 Sep 2019 at 09:01:28 +0200, Martin Husemann wrote:
> There is also the question whether it would be best to just disable
> ubsan here and restore the original solution.
Maybe you're talking about some other detected UB here? The code in
kern_rndq.c that I'm touching in my patch has been
On 28.09.2019 09:01, Martin Husemann wrote:
> On Fri, Sep 27, 2019 at 08:50:55PM +0200, Rhialto wrote:
>> I have been pondering it for a while and it seems more complicated than
>> I first thought... it seems that the actual value of delta isn't even
>> important, but what rnd_delta_estimate() mak
On Fri, Sep 27, 2019 at 08:50:55PM +0200, Rhialto wrote:
> I have been pondering it for a while and it seems more complicated than
> I first thought... it seems that the actual value of delta isn't even
> important, but what rnd_delta_estimate() makes of it.
There is also the question whether it
On Fri 27 Sep 2019 at 21:12:13 +0200, Kamil Rytarowski wrote:
> Thank you for the analysis. Please prepare a patch and commit. Please
> add in the message:
>
> Reported-by: syzbot+68c37d09c833f8ec1...@syzkaller.appspotmail.com
How about this patch. I managed to avoid getting into 64-bit
calculati
On 27.09.2019 20:50, Rhialto wrote:
> On Fri 27 Sep 2019 at 15:53:47 +0200, Kamil Rytarowski wrote:
>> On 27.09.2019 10:19, Rhialto wrote:
>>> On Thu 26 Sep 2019 at 01:15:23 +0200, Kamil Rytarowski wrote:
Is this patch correct?
http://netbsd.org/~kamil/patch-00168-kern_rndq.c-avoid-o
On Fri 27 Sep 2019 at 15:53:47 +0200, Kamil Rytarowski wrote:
> On 27.09.2019 10:19, Rhialto wrote:
> > On Thu 26 Sep 2019 at 01:15:23 +0200, Kamil Rytarowski wrote:
> >> Is this patch correct?
> >>
> >> http://netbsd.org/~kamil/patch-00168-kern_rndq.c-avoid-overflow.txt
> >>
> >> This code will ma
