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dccp: do not use ipv6 header for ipv4 flow
authorEric Dumazet <edumazet@google.com>
Tue, 19 Mar 2019 12:46:18 +0000 (05:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Apr 2019 04:25:08 +0000 (06:25 +0200)
commit27eb4125f2a50a0bffe029c5dfcb853666ba92ba
tree32761140c9181d8111f59df1c2d14f3ff15e7ce9tree
parent1e594a4f60abb4e8d10d8a27286d2c4cb9366f97commit | diff
dccp: do not use ipv6 header for ipv4 flow

[ Upstream commit e0aa67709f89d08c8d8e5bdd9e0b649df61d0090 ]

When a dual stack dccp listener accepts an ipv4 flow,
it should not attempt to use an ipv6 header or
inet6_iif() helper.

Fixes: 3df80d9320bc ("[DCCP]: Introduce DCCPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/dccp/ipv6.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git