net: don't call strlen on non-terminated string in dev_set_alias()

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[ Upstream commit c28294b941 ]

KMSAN reported a use of uninitialized memory in dev_set_alias(),
which was caused by calling strlcpy() (which in turn called strlen())
on the user-supplied non-terminated string.

Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alexander Potapenko 2017-06-06 15:56:54 +02:00 • committed by Greg Kroah-Hartman

parent 98184bbb8d

commit d2f459e3fe

1 changed files with 2 additions and 1 deletions

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net/core/dev.c

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