INFO: rcu detected stall in addrconf_dad_work (5)

Hello, syzbot found the following issue on: HEAD commit:fc3abb53 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16ccc8ae90 kernel config: https://syzkaller.appspot.com/x/.config?x=3c5f6ce8d5b68299 das

Re: INFO: rcu detected stall in addrconf_dad_work

#syz fix: sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero

INFO: rcu detected stall in addrconf_dad_work

Hello, syzbot found the following crash on: HEAD commit:3b47fd5c Merge tag 'nfs-for-5.3-4' of git://git.linux-nfs... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=126c0f5160 kernel config: https://syzkaller.appspot.com/x/.config?x=b89bb446a3faaba4 da