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(parent: dd1df24) | patch
ip_tunnel: Clamp MTU to bounds on new link
authorStefano Brivio <sbrivio@redhat.com>
Thu, 15 Mar 2018 16:16:28 +0000 (17:16 +0100)
committerSteffen Klassert <steffen.klassert@secunet.com>
Mon, 19 Mar 2018 07:45:50 +0000 (08:45 +0100)
commit24fc79798b8ddfd46f2dd363a8d29072c083b977
tree8c037f94e733a5a9d1f312c59b7c2c0a1697ac39tree | snapshot
parentdd1df24737727e119c263acf1be2a92763938297commit | diff
ip_tunnel: Clamp MTU to bounds on new link

Otherwise, it's possible to specify invalid MTU values directly
on creation of a link (via 'ip link add'). This is already
prevented on subsequent MTU changes by commit b96f9afee4eb
("ipv4/6: use core net MTU range checking").

Fixes: c54419321455 ("GRE: Refactor GRE tunneling code.")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Acked-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
net/ipv4/ip_tunnel.c diff | blob | history
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