diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-09-16 17:28:14 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-09-18 12:43:54 +0200 |
| commit | 4c05c7ed880fb58790731fb53571af67b7632d87 (patch) | |
| tree | 6bf726e278e1d45972c2091b41a5a68dcc4d884f | |
| parent | 0aeb54ac4cd5cf8f60131b4d9ec0b6dc9c27b20d (diff) | |
selftests: tls: test skb copy under mem pressure and OOB
Add a test which triggers mem pressure via OOB writes.
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250917002814.1743558-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | tools/testing/selftests/net/tls.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index 0f5640d8dc7f..dd093f9df6f1 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -2770,6 +2770,22 @@ TEST_F(tls_err, poll_partial_rec_async) } } +/* Use OOB+large send to trigger copy mode due to memory pressure. + * OOB causes a short read. + */ +TEST_F(tls_err, oob_pressure) +{ + char buf[1<<16]; + int i; + + memrnd(buf, sizeof(buf)); + + EXPECT_EQ(send(self->fd2, buf, 5, MSG_OOB), 5); + EXPECT_EQ(send(self->fd2, buf, sizeof(buf), 0), sizeof(buf)); + for (i = 0; i < 64; i++) + EXPECT_EQ(send(self->fd2, buf, 5, MSG_OOB), 5); +} + TEST(non_established) { struct tls12_crypto_info_aes_gcm_256 tls12; struct sockaddr_in addr; |