Add test for fixed issue: user passing a token with a very large
token_count. Expect an error in this case.
Signed-off-by: Mina Almasry <almasrymina@google.com>
---
tools/testing/selftests/net/ncdevmem.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/tools/testing/selftests/net/ncdevmem.c b/tools/testing/selftests/net/ncdevmem.c
index 64d6805381c5..3fd2aee461f3 100644
--- a/tools/testing/selftests/net/ncdevmem.c
+++ b/tools/testing/selftests/net/ncdevmem.c
@@ -391,6 +391,17 @@ int do_server(void)
continue;
}
+ token.token_start = dmabuf_cmsg->frag_token;
+ token.token_count = 8192;
+
+ ret = setsockopt(client_fd, SOL_SOCKET,
+ SO_DEVMEM_DONTNEED, &token,
+ sizeof(token));
+ if (ret >= 0)
+ error(1, 0,
+ "DONTNEED of too many frags should have failed. ret=%ld\n",
+ ret);
+
token.token_start = dmabuf_cmsg->frag_token;
token.token_count = 1;
--
2.47.0.163.g1226f6d8fa-goog