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commit b5e2f33986 upstream.
We need to check the length parameter before doing the memcpy(). I've
actually changed it to strlcpy() as well so that it's NUL terminated.
You need CAP_NET_ADMIN to trigger these so it's not the end of the
world.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>