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From:   Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
To:     "David S. Miller" <davem@davemloft.net>
Cc:     Shuah Khan <shuah@kernel.org>,
        Jakub Kicinski <jakub.kicinski@netronome.com>,
        Simon Horman <simon.horman@netronome.com>,
        netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Paolo Pisati <paolo.pisati@canonical.com>,
        Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Subject: [PATCH] selftests: net: tls: remove recv_rcvbuf test
Date:   Fri, 13 Dec 2019 07:39:02 -0300
Message-Id: <20191213103903.29777-1-cascardo@canonical.com>
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Sender: linux-kernel-owner@vger.kernel.org
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This test only works when [1] is applied, which was rejected.

Basically, the errors are reported and cleared. In this particular case of
tls sockets, following reads will block.

The test case was originally submitted with the rejected patch, but, then,
was included as part of a different patchset, possibly by mistake.

[1] https://lore.kernel.org/netdev/20191007035323.4360-2-jakub.kicinski@netronome.com/#t

Thanks Paolo Pisati for pointing out the original patchset where this
appeared.

Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Fixes: 65190f77424d (selftests/tls: add a test for fragmented messages)
Reported-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
---
 tools/testing/selftests/net/tls.c | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 13e5ef615026..0ea44d975b6c 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -722,34 +722,6 @@ TEST_F(tls, recv_lowat)
 	EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
 }
 
-TEST_F(tls, recv_rcvbuf)
-{
-	char send_mem[4096];
-	char recv_mem[4096];
-	int rcv_buf = 1024;
-
-	memset(send_mem, 0x1c, sizeof(send_mem));
-
-	EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVBUF,
-			     &rcv_buf, sizeof(rcv_buf)), 0);
-
-	EXPECT_EQ(send(self->fd, send_mem, 512, 0), 512);
-	memset(recv_mem, 0, sizeof(recv_mem));
-	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0), 512);
-	EXPECT_EQ(memcmp(send_mem, recv_mem, 512), 0);
-
-	if (self->notls)
-		return;
-
-	EXPECT_EQ(send(self->fd, send_mem, 4096, 0), 4096);
-	memset(recv_mem, 0, sizeof(recv_mem));
-	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0), -1);
-	EXPECT_EQ(errno, EMSGSIZE);
-
-	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0), -1);
-	EXPECT_EQ(errno, EMSGSIZE);
-}
-
 TEST_F(tls, bidir)
 {
 	char const *test_str = "test_read";
-- 
2.24.0