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| author | Ghanan Gowripalan <ghanan@google.com> | 2021-09-20 12:14:29 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-09-20 12:17:13 -0700 |
| commit | 5951ec5bce17e7696d2fd53ce384839555dd3c79 (patch) | |
| tree | 887fbe818027d2c0493e903410e12838e24aeef2 /test | |
| parent | d139087b3f7be1fdc1af151e8548c4bbdc199875 (diff) | |
Do not allow unbinding network protocol
Once a packet socket is bound to a network protocol, it cannot be
unbound from that protocol; the network protocol binding may only be
updated to a different network protocol.
To comply with Linux.
PiperOrigin-RevId: 397810878
Diffstat (limited to 'test')
| -rw-r--r-- | test/syscalls/linux/packet_socket.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/syscalls/linux/packet_socket.cc b/test/syscalls/linux/packet_socket.cc index 43828a52e..81e607a3f 100644 --- a/test/syscalls/linux/packet_socket.cc +++ b/test/syscalls/linux/packet_socket.cc @@ -214,6 +214,11 @@ TEST_P(PacketSocketTest, RebindProtocol) { ASSERT_NO_FATAL_FAILURE(bind_to_network_protocol(ETH_P_IP)); ASSERT_NO_FATAL_FAILURE(send_udp_message(++counter)); ASSERT_NO_FATAL_FAILURE(test_recv(counter)); + + // A zero valued protocol number should not change the bound network protocol. + ASSERT_NO_FATAL_FAILURE(bind_to_network_protocol(0)); + ASSERT_NO_FATAL_FAILURE(send_udp_message(++counter)); + ASSERT_NO_FATAL_FAILURE(test_recv(counter)); } INSTANTIATE_TEST_SUITE_P(AllPacketSocketTests, PacketSocketTest, |