dns_resolver: assure that dns_query() result is null-terminated
authorManuel Schölling <manuel.schoelling@gmx.de>
Sat, 7 Jun 2014 21:57:25 +0000 (23:57 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 28 Jul 2014 15:00:06 +0000 (08:00 -0700)
commit443ba0f457a6c5f2eeec64fe3f80efc7cbb10133
tree139cfe9f28f1eb942e4e8fb88911c61f6a11607f
parent1c81dac91e065e39413f8ff5d22b444087b0ed11
dns_resolver: assure that dns_query() result is null-terminated

[ Upstream commit 84a7c0b1db1c17d5ded8d3800228a608e1070b40 ]

dns_query() credulously assumes that keys are null-terminated and
returns a copy of a memory block that is off by one.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/dns_resolver/dns_query.c