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SubjectRe: INFO: rcu detected stall in addrconf_rs_timer (3)
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On 1/26/20 7:25 AM, syzbot wrote:
> syzbot suspects this bug was fixed by commit:
>
> commit d9e15a2733067c9328fb56d98fe8e574fa19ec31
> Author: Eric Dumazet <edumazet@google.com>
> Date: Mon Jan 6 14:10:39 2020 +0000
>
> pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1625d479e00000
> start commit: a1ec57c0 net: stmmac: tc: Fix TAPRIO division operation
> git tree: net-next
> kernel config: https://syzkaller.appspot.com/x/.config?x=7159d94cd4de714e
> dashboard link: https://syzkaller.appspot.com/bug?extid=c22c6b9dce8e773ddcb6
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168e33b6e00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=178c160ae00000
>
> If the result looks correct, please mark the bug fixed by replying with:
>
> #syz fix: pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>

This sounds legit.

#syz fix: pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM

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