From: Bongsu Jeon <bongsu.jeon@xxxxxxxxxxx> [ Upstream commit 1d5b8d01db98abb8c176838fad73287366874582 ] memcpy should be executed only in case nla_len's value is greater than 0. 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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c index 9687100f15ea..acd4125ff39f 100644 --- a/tools/testing/selftests/nci/nci_dev.c +++ b/tools/testing/selftests/nci/nci_dev.c @@ -110,7 +110,7 @@ static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid, na->nla_type = nla_type[cnt]; na->nla_len = nla_len[cnt] + NLA_HDRLEN; - if (nla_len > 0) + if (nla_len[cnt] > 0) memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]); prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN; -- 2.30.2
