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Re: [PATCH net] ip6mr: fix notification device destruction

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From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Date: Fri, 21 Apr 2017 21:30:42 +0300

> On 21/04/17 20:42, Nikolay Aleksandrov wrote:
>> Andrey Konovalov reported a BUG caused by the ip6mr code which is caused
>> because we call unregister_netdevice_many for a device that is already
>> being destroyed. In IPv4's ipmr that has been resolved by two commits
>> long time ago by introducing the "notify" parameter to the delete
>> function and avoiding the unregister when called from a notifier, so
>> let's do the same for ip6mr.
 ...
> +CC LKML and Linus

Applied, thanks Nikolay and thanks Andrey for the report and testing.

Nikolay, how far does this bug go back?

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Re: [PATCH net] ip6mr: fix notification device destruction Nikolay Aleksandrov <nikolay@cumulusnetworks.com> - 2017-04-21 20:40 +0200
  Re: [PATCH net] ip6mr: fix notification device destruction Andrey Konovalov <andreyknvl@google.com> - 2017-04-21 20:50 +0200
  Re: [PATCH net] ip6mr: fix notification device destruction David Miller <davem@davemloft.net> - 2017-04-21 21:40 +0200
    Re: [PATCH net] ip6mr: fix notification device destruction David Miller <davem@davemloft.net> - 2017-04-21 22:00 +0200
    Re: [PATCH net] ip6mr: fix notification device destruction Nikolay Aleksandrov <nikolay@cumulusnetworks.com> - 2017-04-21 22:00 +0200
      Re: [PATCH net] ip6mr: fix notification device destruction Nikolay Aleksandrov <nikolay@cumulusnetworks.com> - 2017-04-21 22:00 +0200
      Re: [PATCH net] ip6mr: fix notification device destruction David Miller <davem@davemloft.net> - 2017-04-21 22:00 +0200

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