syzbot suspects this bug was fixed by commit:
commit 32c72165dbd0e246e69d16a3ad348a4851afd415
Author: Kadlecsik József
Date: Sun Jan 19 21:06:49 2020 +
netfilter: ipset: use bitmap infrastructure completely
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17079245e0
syzbot has bisected this bug to:
commit 3d26eb8ad1e9b906433903ce05f775cf038e747f
Author: Nikolay Aleksandrov
Date: Tue Jul 2 12:00:20 2019 +
net: bridge: don't cache ether dest pointer on input
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17bb1cc9e0
start commit:
