syzbot suspects this issue was fixed by commit:
commit bf64ff4c2aac65d680dc639a511c781cf6b6ec08
Author: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Date: Sat Jun 27 07:12:24 2020 +0000
genetlink: get rid of family->attrbuf
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12069494900000
start commit: e44f65fd xen-netfront: remove redundant assignment to vari..
git tree: net-next
kernel config: https://syzkaller.appspot.com/x/.config?x=829871134ca5e230
dashboard link: https://syzkaller.appspot.com/bug?extid=14e0e4960091ffae7cf7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11818aa7100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f997d3100000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: genetlink: get rid of family->attrbuf
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
