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