samples/bpf: Fix buffer overflow in tcp_basertt
authorPengcheng Yang <yangpc@wangsu.com>
Fri, 5 May 2023 08:50:58 +0000 (16:50 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Jul 2023 14:21:04 +0000 (16:21 +0200)
commit56c25f2763a16db4fa1b486e6a21dc246cd992bd
treeb87c1dbdc22bc66ca56155c232469cbef618eee2
parenta7434a4dcc715709d759da4ecf697f5ea13b87fe
samples/bpf: Fix buffer overflow in tcp_basertt

[ Upstream commit f4dea9689c5fea3d07170c2cb0703e216f1a0922 ]

Using sizeof(nv) or strlen(nv)+1 is correct.

Fixes: c890063e4404 ("bpf: sample BPF_SOCKET_OPS_BASE_RTT program")
Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Link: https://lore.kernel.org/r/1683276658-2860-1-git-send-email-yangpc@wangsu.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
samples/bpf/tcp_basertt_kern.c