Merge pull request #3226 from embassy-rs/otg-bounds-checks

usb-synopsys-otg: ensure ep alloc fails when endpoint_count < MAX_EP_COUNT.
2024-08-02 22:21:23 +00:00
parent a2ea2630f6 7d65c5c4fa
commit 03b8e36532
1 changed files with 2 additions and 2 deletions
--- a/embassy-usb-synopsys-otg/src/lib.rs
+++ b/embassy-usb-synopsys-otg/src/lib.rs
@@ -382,8 +382,8 @@ impl<'d, const MAX_EP_COUNT: usize> Driver<'d, MAX_EP_COUNT> {
        }

        let eps = match D::dir() {
-            Direction::Out => &mut self.ep_out,
-            Direction::In => &mut self.ep_in,
+            Direction::Out => &mut self.ep_out[..self.instance.endpoint_count],
+            Direction::In => &mut self.ep_in[..self.instance.endpoint_count],
        };

        // Find free endpoint slot