Nicolas Dichtel ce1268b5ad ipv6: fix source address selection with route leak
commit 252442f2ae317d109ef0b4b39ce0608c09563042 upstream.

By default, an address assigned to the output interface is selected when
the source address is not specified. This is problematic when a route,
configured in a vrf, uses an interface from another vrf (aka route leak).
The original vrf does not own the selected source address.

Let's add a check against the output interface and call the appropriate
function to select the source address.

CC: stable@vger.kernel.org
Fixes: 0d240e7811c4 ("net: vrf: Implement get_saddr for IPv6")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://patch.msgid.link/20240710081521.3809742-3-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-03 09:00:31 +02:00
2024-06-21 08:03:55 -04:00
2022-09-28 09:02:20 +02:00
2024-07-05 12:33:00 -07:00
2022-10-10 12:00:45 -07:00
2024-07-27 11:40:36 +02:00
2024-03-18 03:36:32 -06:00

Linux kernel
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