syzbot has bisected this bug to:
commit 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6
Author: Paolo Abeni <pabeni@xxxxxxxxxx>
Date: Fri Mar 27 21:48:51 2020 +0000
mptcp: add netlink-based PM
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10225bb3e00000
start commit: 4f8a3cc1 Merge tag 'x86-urgent-2020-04-12' of git://git.ke..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=12225bb3e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14225bb3e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=3bfbde87e8e65624
dashboard link: https://syzkaller.appspot.com/bug?extid=a4aee3f42d7584d76761
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=100825afe00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10df613fe00000
Reported-by: syzbot+a4aee3f42d7584d76761@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 01cacb00b35c ("mptcp: add netlink-based PM")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
