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authorWei Wang <weiwan@google.com>2019-10-31 16:24:36 -0700
committerDavid S. Miller <davem@davemloft.net>2019-11-01 15:11:02 -0700
commitd64479a3e3f9924074ca7b50bd72fa5211dca9c1 (patch)
treebca6f9227ccfc04d904e23cda3f8f6b4eac53dcc /tools
parent62bdc8fd1c21d4263ebd18bec57f82532d09249f (diff)
downloadlinux-d64479a3e3f9924074ca7b50bd72fa5211dca9c1.tar.bz2
selftests: net: reuseport_dualstack: fix uninitalized parameter
This test reports EINVAL for getsockopt(SOL_SOCKET, SO_DOMAIN) occasionally due to the uninitialized length parameter. Initialize it to fix this, and also use int for "test_family" to comply with the API standard. Fixes: d6a61f80b871 ("soreuseport: test mixed v4/v6 sockets") Reported-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Wei Wang <weiwan@google.com> Cc: Craig Gallek <cgallek@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/net/reuseport_dualstack.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/reuseport_dualstack.c b/tools/testing/selftests/net/reuseport_dualstack.c
index fe3230c55986..fb7a59ed759e 100644
--- a/tools/testing/selftests/net/reuseport_dualstack.c
+++ b/tools/testing/selftests/net/reuseport_dualstack.c
@@ -129,7 +129,7 @@ static void test(int *rcv_fds, int count, int proto)
{
struct epoll_event ev;
int epfd, i, test_fd;
- uint16_t test_family;
+ int test_family;
socklen_t len;
epfd = epoll_create(1);
@@ -146,6 +146,7 @@ static void test(int *rcv_fds, int count, int proto)
send_from_v4(proto);
test_fd = receive_once(epfd, proto);
+ len = sizeof(test_family);
if (getsockopt(test_fd, SOL_SOCKET, SO_DOMAIN, &test_family, &len))
error(1, errno, "failed to read socket domain");
if (test_family != AF_INET)