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BACKPORT: net: disable BRIDGE_NETFILTER by default

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The description says 'If unsure, say N.' but
the module is built as M by default (once
the dependencies are satisfied).

When the module is selected (Y or M), it enables
NETFILTER_FAMILY_BRIDGE and SKB_EXTENSIONS
which alter kernel internal structures.

We (Android Studio Emulator) currently do not
use this module and think this it is more consistent
to have it disabled by default as opposite to
disabling it explicitly to prevent enabling
NETFILTER_FAMILY_BRIDGE and SKB_EXTENSIONS.

Signed-off-by: Roman Kiryanov <rkir@google.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 98bda63e20daab95bdc084ce00459a4f622a0505)
[adelva: rediff against missing SKB_EXTENSIONS change]
Bug: 150463745
Change-Id: I664d752f504598d21747d046930e6d7257c31253
This commit is contained in:
Roman Kiryanov 2020-02-19 13:40:06 -08:00 committed by Alistair Delva
parent 457e386a94
commit 5d9319bf8a
1 changed files with 0 additions and 1 deletions
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net/Kconfig
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@ -184,7 +184,6 @@ config BRIDGE_NETFILTER
depends on NETFILTER && INET
depends on NETFILTER_ADVANCED
select NETFILTER_FAMILY_BRIDGE
default m
---help---
Enabling this option will let arptables resp. iptables see bridged
ARP resp. IP traffic. If you want a bridging firewall, you probably