Re: [syzbot] [mm?] WARNING: suspicious RCU usage in mas_walk (2)

[Aleksandr Nogikh]

On Thu, Jul 27, 2023 at 8:54 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Thu, Jul 27, 2023 at 11:53:02AM -0700, syzbot wrote:
> > > On Tue, Jul 25, 2023 at 11:57:22PM -0700, syzbot wrote:
> > >> syzbot has bisected this issue to:
> > >>
> > >> commit a52f58b34afe095ebc5823684eb264404dad6f7b
> > >> Author: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> > >> Date:   Mon Jul 24 18:54:10 2023 +0000
> > >>
> > >>     mm: handle faults that merely update the accessed bit under the VMA lock
> > >>
> > >> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1783585ea80000
> > >> start commit:   [unknown]
> > >> git tree:       linux-next
> > >
> > > #syz test linux-next a52f58b34afe095ebc5823684eb264404dad6f7b
> >
> > "linux-next" does not look like a valid git repo address.
>
> Well, now, that's your fault, isn't it?  You're abbreviating the git
> tree in the report, but then refusing to accept the abbreviation in
> the response.

Good point.
There's an issue about this
(https://github.com/google/syzkaller/issues/2265), I've added it to my
backlog.

-- 
Aleksandr