net: fool proof dev_valid_name()

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[ Upstream commit a9d48205d0 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Eric Dumazet 2018-04-05 06:39:26 -07:00 • committed by Greg Kroah-Hartman

parent 066eacb902

commit 218031d350

1 changed files with 1 additions and 1 deletions

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net/core/dev.c

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