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SubjectRe: WARNING: CPU: 1
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On 9/27/2020 10:47 AM, Dmitry Vyukov wrote:
> On Sun, Sep 27, 2020 at 10:38 AM syzbot
> <syzbot+3640e696903873858f7e@syzkaller.appspotmail.com> wrote:
>>
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit: 748d1c8a Merge branch 'devlink-Use-nla_policy-to-validate-..
>> git tree: net-next
>> console output: https://syzkaller.appspot.com/x/log.txt?x=13ac3ec3900000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=51fb40e67d1e3dec
>> dashboard link: https://syzkaller.appspot.com/bug?extid=3640e696903873858f7e
>> compiler: gcc (GCC) 10.1.0-syz 20200507
>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1599be03900000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149fd44b900000
>
> Based on the reproducer, this looks like some wireless bug.
> +net/wireless maintainers.

I don't think so looking at this part of the stacktrace:

[ 51.814941] [<ffffffff8465cc95>] macvlan_common_newlink+0xa15/0x1720
[ 51.833542] [<ffffffff84662548>] macvtap_newlink+0x128/0x230
[ 51.858008] [<ffffffff85b68bfe>] rtnl_newlink+0xe5e/0x1780
[ 51.925885] [<ffffffff85b5d32b>] rtnetlink_rcv_msg+0x22b/0xc20

Regards,
Arend
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