From: Bongsu Jeon <bongsu.jeon@xxxxxxxxxxx> [ Upstream commit 78a7b2a8a0fa31f63ac16ac13601db6ed8259dfc ] nlattr could have a padding for 4 bytes alignment. So next nla's offset should be calculated with a padding. Signed-off-by: Bongsu Jeon <bongsu.jeon@xxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- tools/testing/selftests/nci/nci_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c index 57b505cb1561..9687100f15ea 100644 --- a/tools/testing/selftests/nci/nci_dev.c +++ b/tools/testing/selftests/nci/nci_dev.c @@ -113,8 +113,8 @@ static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid, if (nla_len > 0) memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]); - msg.n.nlmsg_len += NLMSG_ALIGN(na->nla_len); - prv_len = na->nla_len; + prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN; + msg.n.nlmsg_len += prv_len; } buf = (char *)&msg; -- 2.30.2