ipv6: Inhibit IPv4-mapped src address on the wire.

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[ Upstream commit ec5e3b0a1d ]

This patch adds a check for the problematic case of an IPv4-mapped IPv6
source address and a destination address that is neither an IPv4-mapped
IPv6 address nor in6addr_any, and returns an appropriate error. The
check in done before returning from looking up the route.

Signed-off-by: Jonathan T. Leighton <jtleight@udel.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jonathan T. Leighton 2017-05-23 21:53:34 -04:00 • committed by Greg Kroah-Hartman

parent 12ec2560d4

commit cb351da6f2

1 changed files with 3 additions and 0 deletions

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net/ipv6/ip6_output.c

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