Depending on the value of is_out kmsan_handle_urb() KMSAN either marks the data copied to the kernel from a USB device as initialized, or checks the data sent to the device for being initialized. Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> --- Link: https://linux-review.googlesource.com/id/Ifa67fb72015d4de14c30e971556f99fc8b2ee506 --- drivers/usb/core/urb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 30727729a44cc..0e84acc9aea53 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -8,6 +8,7 @@ #include <linux/bitops.h> #include <linux/slab.h> #include <linux/log2.h> +#include <linux/kmsan-checks.h> #include <linux/usb.h> #include <linux/wait.h> #include <linux/usb/hcd.h> @@ -426,6 +427,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) URB_SETUP_MAP_SINGLE | URB_SETUP_MAP_LOCAL | URB_DMA_SG_COMBINED); urb->transfer_flags |= (is_out ? URB_DIR_OUT : URB_DIR_IN); + kmsan_handle_urb(urb, is_out); if (xfertype != USB_ENDPOINT_XFER_CONTROL && dev->state < USB_STATE_CONFIGURED) -- 2.34.1.173.g76aa8bc2d0-goog
