syzbot suspects this issue was fixed by commit:
commit dfefd226b0bf7c435a58d75a0ce2f9273b9825f6
Author: Alexey Dobriyan <adobri...@gmail.com>
Date: Tue Dec 15 03:15:03 2020 +0000
mm: cleanup kstrto*() usage
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=111aa0cf500000
start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=d195fe572fb15312
dashboard link: https://syzkaller.appspot.com/bug?extid=18b2ab4c697021ee8369
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cec296100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=153a741e100000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: mm: cleanup kstrto*() usage
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
