From 9f77b36fa100761eb3eabbb87f5111419202a9d5 Mon Sep 17 00:00:00 2001
From: Bhasker Hariharan <bhaskerh@google.com>
Date: Thu, 13 Jun 2019 13:40:37 -0700
Subject: Set optlen correctly when calling getsockopt.

PiperOrigin-RevId: 253096085
---
 test/syscalls/linux/socket_ip_tcp_generic.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/syscalls/linux/socket_ip_tcp_generic.cc b/test/syscalls/linux/socket_ip_tcp_generic.cc
index 0b76280a7..a43cf9bce 100644
--- a/test/syscalls/linux/socket_ip_tcp_generic.cc
+++ b/test/syscalls/linux/socket_ip_tcp_generic.cc
@@ -679,7 +679,7 @@ TEST_P(TCPSocketPairTest, SetCongestionControlFailsForUnsupported) {
 
   auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
   char old_cc[kTcpCaNameMax];
-  socklen_t optlen;
+  socklen_t optlen = sizeof(old_cc);
   ASSERT_THAT(getsockopt(sockets->first_fd(), IPPROTO_TCP, TCP_CONGESTION,
                          &old_cc, &optlen),
               SyscallSucceedsWithValue(0));
@@ -690,6 +690,7 @@ TEST_P(TCPSocketPairTest, SetCongestionControlFailsForUnsupported) {
               SyscallFailsWithErrno(ENOENT));
 
   char got_cc[kTcpCaNameMax];
+  optlen = sizeof(got_cc);
   ASSERT_THAT(getsockopt(sockets->first_fd(), IPPROTO_TCP, TCP_CONGESTION,
                          &got_cc, &optlen),
               SyscallSucceedsWithValue(0));
-- 
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