diff options
Diffstat (limited to 'mm/kmsan')
| -rw-r--r-- | mm/kmsan/hooks.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c index 563c09443a37..79d7e73e2cfd 100644 --- a/mm/kmsan/hooks.c +++ b/mm/kmsan/hooks.c @@ -18,6 +18,7 @@ #include <linux/scatterlist.h> #include <linux/slab.h> #include <linux/uaccess.h> +#include <linux/usb.h> #include "../internal.h" #include "../slab.h" @@ -245,6 +246,21 @@ void kmsan_copy_to_user(void __user *to, const void *from, size_t to_copy, } EXPORT_SYMBOL(kmsan_copy_to_user); +/* Helper function to check an URB. */ +void kmsan_handle_urb(const struct urb *urb, bool is_out) +{ + if (!urb) + return; + if (is_out) + kmsan_internal_check_memory(urb->transfer_buffer, + urb->transfer_buffer_length, + /*user_addr*/ 0, REASON_SUBMIT_URB); + else + kmsan_internal_unpoison_memory(urb->transfer_buffer, + urb->transfer_buffer_length, + /*checked*/ false); +} + static void kmsan_handle_dma_page(const void *addr, size_t size, enum dma_data_direction dir) { |