Re: KASAN: use-after-free Read in path_lookupat

From: Linus Torvalds
Date: Sun Mar 24 2019 - 21:25:52 EST

On Sun, Mar 24, 2019 at 5:44 PM syzbot
<syzbot+7a8ba368b47fdefca61e@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> syzbot has bisected this bug to:
> commit a435393acafbf0ecff4deb3e3cb554b34f0d0664

That's wrong. It might change some timing or something to make the
race hit, but it looks entirely unrelated to the bpf path_lookupat