syzbot suspects this issue was fixed by commit:
commit a7809ff90ce6c48598d3c4ab54eb599bec1e9c42
Author: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>
Date: Sat Sep 26 16:56:25 2020 +0000
net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143867c8500000
start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=d195fe572fb15312
dashboard link: https://syzkaller.appspot.com/bug?extid=3025b9294f8cb0ede850
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11802cf9100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144acc03100000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
