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| author | William Dauchy <w.dauchy@criteo.com> | 2020-03-27 19:56:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-29 16:32:55 +0200 |
| commit | 4b823bf7c2cad42d517d736a44b36b5bd97e0430 (patch) | |
| tree | 0a382d96553587f4ce22e888f424761cb5e0938c /Documentation/arm64 | |
| parent | 5811f24abd27a8a0791c6909c6ff803659060c84 (diff) | |
net, ip_tunnel: fix interface lookup with no key
commit 25629fdaff2ff509dd0b3f5ff93d70a75e79e0a1 upstream.
when creating a new ipip interface with no local/remote configuration,
the lookup is done with TUNNEL_NO_KEY flag, making it impossible to
match the new interface (only possible match being fallback or metada
case interface); e.g: `ip link add tunl1 type ipip dev eth0`
To fix this case, adding a flag check before the key comparison so we
permit to match an interface with no local/remote config; it also avoids
breaking possible userland tools relying on TUNNEL_NO_KEY flag and
uninitialised key.
context being on my side, I'm creating an extra ipip interface attached
to the physical one, and moving it to a dedicated namespace.
Fixes: c54419321455 ("GRE: Refactor GRE tunneling code.")
Signed-off-by: William Dauchy <w.dauchy@criteo.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/arm64')
0 files changed, 0 insertions, 0 deletions