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Date:      Thu, 24 Jan 2019 09:42:26 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 234846] [lagg] race condition when adding port
Message-ID:  <bug-234846-7501-0JSkFxp4C0@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-234846-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-234846-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234846

--- Comment #20 from Alexandre martins <alexandre.martins@stormshield.eu> -=
--
Hello,

Another crash has appear this night. It is the same race as the destroy par=
t,
but in the create:

Thread 1 (ifconfig laggport):
Creates the port (with the DISABLE flag), and sets the type of the iface. T=
his
thread will set ifp->if_lagg in few instruction ...

Thread 2 (network):
Checks the type and enter lagg_input function and crashes because the point=
er
if_lagg is still NULL

--=20
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