syzbot has bisected this issue to:
commit 988d0763361bb65690d60e2bc53a6b72777040c3 Author: Tetsuo Handa penguin-kernel@i-love.sakura.ne.jp Date: Sun Sep 27 11:46:30 2020 +0000
vt_ioctl: make VT_RESIZEX behave like VT_RESIZE
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15633759d00000 start commit: d2b6f8a1 Merge tag 'xfs-5.13-merge-3' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17633759d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13633759d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=53fdf14defd48c56 dashboard link: https://syzkaller.appspot.com/bug?extid=1f29e126cf461c4de3b3 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d9ff43d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10981693d00000
Reported-by: syzbot+1f29e126cf461c4de3b3@syzkaller.appspotmail.com Fixes: 988d0763361b ("vt_ioctl: make VT_RESIZEX behave like VT_RESIZE")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection