The quilt patch titled
Subject: kmsan: add missing __user tags
has been removed from the -mm tree. Its filename was
kmsan-add-missing-__user-tags.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Subject: kmsan: add missing __user tags
Date: Thu, 27 Jun 2024 16:57:46 +0200
sparse complains that __user pointers are being passed to functions that
expect non-__user ones. In all cases, these functions are in fact working
with user pointers, only the tag is missing. Add it.
Link: https://lkml.kernel.org/r/20240627145754.27333-2-iii@xxxxxxxxxxxxx
Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202406272033.KejtfLkw-lkp@xxxxxxxxx/
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmsan/core.c | 4 ++--
mm/kmsan/kmsan.h | 6 +++---
mm/kmsan/report.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
--- a/mm/kmsan/core.c~kmsan-add-missing-__user-tags
+++ a/mm/kmsan/core.c
@@ -249,8 +249,8 @@ struct page *kmsan_vmalloc_to_page_or_nu
return NULL;
}
-void kmsan_internal_check_memory(void *addr, size_t size, const void *user_addr,
- int reason)
+void kmsan_internal_check_memory(void *addr, size_t size,
+ const void __user *user_addr, int reason)
{
depot_stack_handle_t cur_origin = 0, new_origin = 0;
unsigned long addr64 = (unsigned long)addr;
--- a/mm/kmsan/kmsan.h~kmsan-add-missing-__user-tags
+++ a/mm/kmsan/kmsan.h
@@ -73,7 +73,7 @@ void kmsan_print_origin(depot_stack_hand
* @off_last corresponding to different @origin values.
*/
void kmsan_report(depot_stack_handle_t origin, void *address, int size,
- int off_first, int off_last, const void *user_addr,
+ int off_first, int off_last, const void __user *user_addr,
enum kmsan_bug_reason reason);
DECLARE_PER_CPU(struct kmsan_ctx, kmsan_percpu_ctx);
@@ -163,8 +163,8 @@ depot_stack_handle_t kmsan_internal_chai
void kmsan_internal_task_create(struct task_struct *task);
bool kmsan_metadata_is_contiguous(void *addr, size_t size);
-void kmsan_internal_check_memory(void *addr, size_t size, const void *user_addr,
- int reason);
+void kmsan_internal_check_memory(void *addr, size_t size,
+ const void __user *user_addr, int reason);
struct page *kmsan_vmalloc_to_page_or_null(void *vaddr);
void kmsan_setup_meta(struct page *page, struct page *shadow,
--- a/mm/kmsan/report.c~kmsan-add-missing-__user-tags
+++ a/mm/kmsan/report.c
@@ -148,7 +148,7 @@ void kmsan_print_origin(depot_stack_hand
}
void kmsan_report(depot_stack_handle_t origin, void *address, int size,
- int off_first, int off_last, const void *user_addr,
+ int off_first, int off_last, const void __user *user_addr,
enum kmsan_bug_reason reason)
{
unsigned long stack_entries[KMSAN_STACK_DEPTH];
_
Patches currently in -mm which might be from iii@xxxxxxxxxxxxx are
