Commit 4c05c7ed authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Paolo Abeni
Browse files

selftests: tls: test skb copy under mem pressure and OOB 



Add a test which triggers mem pressure via OOB writes.

Reviewed-by: default avatarSabrina Dubroca <sd@queasysnail.net>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250917002814.1743558-2-kuba@kernel.org


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 0aeb54ac

tools/testing/selftests/net/tls.c

+16 −0
Original line number Diff line number Diff line
@@ -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;