net: fool proof dev_valid_name()
authorEric Dumazet <edumazet@google.com>
Thu, 5 Apr 2018 13:39:26 +0000 (06:39 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 5 Apr 2018 19:16:15 +0000 (15:16 -0400)
commita9d48205d0aedda021fc3728972a9e9934c2b9de
treece46b423aca75ded37bd178fa505270dd6454e42
parent06dd3dfeea60e2a6457a6aedf97afc8e6d2ba497
net: fool proof dev_valid_name()

We want to use dev_valid_name() to validate tunnel names,
so better use strnlen(name, IFNAMSIZ) than strlen(name) to make
sure to not upset KASAN.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c