ip6_tunnel: better validate user provided tunnel names

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commit db7a65e3ab upstream.

Use valid_name() to make sure user does not provide illegal
device name.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16:
 - Don't touch err as ip6_tnl_create() does not return an error code
 - Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Eric Dumazet 2018-04-05 06:39:30 -07:00 • committed by Ben Hutchings

parent d521034ca1

commit f8852307d3

1 changed files with 5 additions and 3 deletions

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net/ipv6/ip6_tunnel.c

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