Re: [syzbot] BUG: Bad rss-counter state (5)

[Baolin Wang]

On 2024/6/14 23:49, syzbot wrote:
> > On 2024/6/14 23:12, syzbot wrote:
> > > syzbot has bisected this issue to:
> > >
> > > commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb
> > > Author: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> > > Date:   Tue Jun 4 10:17:45 2024 +0000
> > >
> > >       mm: memory: extend finish_fault() to support large folio
> > >
> > > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000
> > > start commit:   d35b2284e966 Add linux-next specific files for 20240607
> > > git tree:       linux-next
> > > final oops:     https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000
> > > kernel config:  https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d
> > > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000
> > > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10a57696980000
> > >
> > > Reported-by: syzbot+f2bbbb592debc978d46d@xxxxxxxxxxxxxxxxxxxxxxxxx
> > > Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio")
> > >
> > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
> >
> > Thanks. Please try the fix in mm-unstable branch
> >
> > #syz test:
>
> want either no args or 2 args (repo, branch), got 1
>
> > https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=4135d2688b42f097f78062ef328f3056db32e3a0

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git 
mm-unstable