Re: [PATCH] usb: gadget: dummy_hcd: execute hrtimer callback in softirq context

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On Mon, Jul 29, 2024 at 8:01 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > And I also found one more:
> >
> > Reported-by: syzbot+edd9fe0d3a65b14588d5@xxxxxxxxxxxxxxxxxxxxxxxxx
> > Closes: https://syzkaller.appspot.com/bug?extid=edd9fe0d3a65b14588d5
>
> You need to be careful about claiming that this patch will fix those bug
> reports.  At least one of them (the last one above) still fails with the
> patch applied.  See:
>
> https://lore.kernel.org/linux-usb/ade15714-6aa3-4988-8b45-719fc9d74727@xxxxxxxxxxxxxxxxxxx/
>
> and the following response.

Ah, right, that one is something else, so let's not add those last
Reported-by/Closes.

However, that crash was bisected to the same guilty patch, so the
issue is somehow related. Even if we were to mark it as to be fixed
with the patch I sent, this wouldn't be critical: syzbot would just
rereport it, and with fresher stack traces.

Thank you!





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