diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 2c6b9578a7d3..99908d8d2dd3 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1646,9 +1646,16 @@ static void __usb_hcd_giveback_urb(struct urb *urb) /* pass ownership to the completion handler */ urb->status = status; - kcov_remote_start_usb((u64)urb->dev->bus->busnum); + /* + * This function can be called in task context inside another remote + * coverage collection section, but KCOV doesn't support that kind of + * recursion yet. Only collect coverage in softirq context for now. + */ + if (in_serving_softirq()) + kcov_remote_start_usb((u64)urb->dev->bus->busnum); urb->complete(urb); - kcov_remote_stop(); + if (in_serving_softirq()) + kcov_remote_stop(); usb_anchor_resume_wakeups(anchor); atomic_dec(&urb->use_count);