syzbot has bisected this issue to:
commit f2f2325ec79970807012dfc9e716cdbb02d9b574
Author: Eric Dumazet <edumazet@xxxxxxxxxx>
Date: Fri Feb 4 20:15:46 2022 +0000
ip6mr: ip6mr_sk_done() can exit early in common cases
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16299d7b700000
start commit: 36c2e31ad25b net: geneve: add missing netlink policy and s..
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=15299d7b700000
console output: https://syzkaller.appspot.com/x/log.txt?x=11299d7b700000
kernel config: https://syzkaller.appspot.com/x/.config?x=4a15e2288cf165c9
dashboard link: https://syzkaller.appspot.com/bug?extid=090d23ddbd5cd185c2e0
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=171eadbd700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12cacda3700000
Reported-by: syzbot+090d23ddbd5cd185c2e0@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f2f2325ec799 ("ip6mr: ip6mr_sk_done() can exit early in common cases")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
