The quilt patch titled Subject: kmsan: export kmsan_handle_urb has been removed from the -mm tree. Its filename was kmsan-export-kmsan_handle_urb.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Arnd Bergmann <arnd@xxxxxxxx> Subject: kmsan: export kmsan_handle_urb Date: Thu, 15 Dec 2022 17:26:57 +0100 USB support can be in a loadable module, and this causes a link failure with KMSAN: ERROR: modpost: "kmsan_handle_urb" [drivers/usb/core/usbcore.ko] undefined! Export the symbol so it can be used by this module. Link: https://lkml.kernel.org/r/20221215162710.3802378-1-arnd@xxxxxxxxxx Fixes: 553a80188a5d ("kmsan: handle memory sent to/from USB") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/kmsan/hooks.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/kmsan/hooks.c~kmsan-export-kmsan_handle_urb +++ a/mm/kmsan/hooks.c @@ -260,6 +260,7 @@ void kmsan_handle_urb(const struct urb * urb->transfer_buffer_length, /*checked*/ false); } +EXPORT_SYMBOL_GPL(kmsan_handle_urb); static void kmsan_handle_dma_page(const void *addr, size_t size, enum dma_data_direction dir) _ Patches currently in -mm which might be from arnd@xxxxxxxx are