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| author | Sabrina Dubroca <sd@queasysnail.net> | 2024-10-18 12:55:58 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-10-24 16:09:17 +0200 |
| commit | 81bc949f640f78b507c7523de7c750bcc87c1bb8 (patch) | |
| tree | b59f1845347cbbde3d92a801e9ddf32866259f1a | |
| parent | 8b448f0dbcae0c18c3fb97caf8aeff5fec19a9a2 (diff) | |
| download | linux-81bc949f640f78b507c7523de7c750bcc87c1bb8.tar.gz linux-81bc949f640f78b507c7523de7c750bcc87c1bb8.tar.bz2 linux-81bc949f640f78b507c7523de7c750bcc87c1bb8.zip | |
selftests: tls: add a selftest for wrapping rec_seq
Set the initial rec_seq to 0xffffffffffffffff so that it wraps
immediately. The send() call should fail with EBADMSG.
A bug in this code was fixed in commit cfaa80c91f6f ("net/tls: do not
free tls_rec on async operation in bpf_exec_tx_verdict()").
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20775fcfd0371422921ee60a42de170c0398ac10.1729244987.git.sd@queasysnail.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | tools/testing/selftests/net/tls.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index f27a12d2a2c9..1a706d03bb6b 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -266,6 +266,25 @@ TEST_F(tls_basic, bad_cipher) EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); } +TEST_F(tls_basic, recseq_wrap) +{ + struct tls_crypto_info_keys tls12; + char const *test_str = "test_read"; + int send_len = 10; + + if (self->notls) + SKIP(return, "no TLS support"); + + tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_128, &tls12); + memset(&tls12.aes128.rec_seq, 0xff, sizeof(tls12.aes128.rec_seq)); + + ASSERT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len), 0); + ASSERT_EQ(setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12, tls12.len), 0); + + EXPECT_EQ(send(self->fd, test_str, send_len, 0), -1); + EXPECT_EQ(errno, EBADMSG); +} + FIXTURE(tls) { int fd, cfd; |