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From: bmajal222 <bmajal222@gmail.com>
Subject: ppp_generic.c crash. linux 4.4.y
Message-ID: <4a5dbb73-81d8-6d00-5359-8269c00458d8@gmail.com>
Date: Fri, 30 Dec 2016 09:09:54 +0530
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Dear Sir,

I am having lots of trouble PPP crashing in the kernel.
I am using ubuntu 16.04 based on linux kernel 4.4.y.

The BUG is already fixed in 4.8.y branch and 3.12.y branch.
I have included the link here for your reference.

Please import this bug-fix patch in to 4.4.y branch.

BUG:
ppp: defer netns reference release for ppp channel

http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-3.12.y&id=e550951c8b8b1acb30e31c22ac3404648c9aa213

http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.8.y&id=205e1e255c479f3fd77446415706463b282f94e4

Regards,
BMajal