2018-03-02 15:45 GMT+01:00 Alexander Bluhm <alexander.bl...@gmx.net>:
> On Fri, Mar 02, 2018 at 02:25:21PM +0100, Pierre Emeriaud wrote:
>> panic: netlock: lock not held
>
>> ifpromisc(ffff800021f85400,ffff8000005ae000) at ifpromisc+0xb3
>> bpfioctl(ffffff027eb5fc18,ffffff027eb5fc18,ffffff02414ac4a0,20004269,ffffff02414ac4a0)
>>  at bpfioctl+0x53c
>
> I would say this is a missing netlock around ifpromisc() in bpfioctl().
> And in the bpfclose() path it is also missing.

This seems to fix the issue. I'm not panic'ing anymore when using
tcpdump. Thanks!

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