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Date:   Fri, 06 Dec 2019 12:02:21 -0800 (PST)
From:   David Miller <>
Subject: Re: [PATCH v2 net] tipc: fix ordering of tipc module init and exit

From: Taehee Yoo <>
Date: Fri,  6 Dec 2019 05:25:48 +0000

> In order to set/get/dump, the tipc uses the generic netlink
> infrastructure. So, when tipc module is inserted, init function
> calls genl_register_family().
> After genl_register_family(), set/get/dump commands are immediately
> allowed and these callbacks internally use the net_generic.
> net_generic is allocated by register_pernet_device() but this
> is called after genl_register_family() in the __init function.
> So, these callbacks would use un-initialized net_generic.
> Test commands:
> Splat looks like:
> Fixes: 7e4369057806 ("tipc: fix a slab object leak")
> Fixes: a62fbccecd62 ("tipc: make subscriber server support net namespace")
> Signed-off-by: Taehee Yoo <>

Applied and queued up for -stable.

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