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SubjectRe: WARNING: suspicious RCU usage in ctrl_cmd_new_lookup
On Thu, Oct 22, 2020 at 2:40 PM syzbot
<syzbot+3025b9294f8cb0ede850@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit a7809ff90ce6c48598d3c4ab54eb599bec1e9c42
> Author: Manivannan Sadhasivam <manivannan.sadhasivam@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

#syz fix: net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks

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