The patch titled Subject: kmsan: export kmsan_handle_urb has been added to the -mm mm-hotfixes-unstable branch. Its filename is kmsan-export-kmsan_handle_urb.patch

This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches...

This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------ From: Arnd Bergmann arnd@arndb.de 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@kernel.org Fixes: 553a80188a5d ("kmsan: handle memory sent to/from USB") Signed-off-by: Arnd Bergmann arnd@arndb.de Reviewed-by: Alexander Potapenko glider@google.com Cc: Dmitry Vyukov dvyukov@google.com Cc: Marco Elver elver@google.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

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@arndb.de are

kmsan-include-linux-vmalloch.patch kmsan-export-kmsan_handle_urb.patch