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kmsan: apply clang-format to files mm/kmsan/ 

KMSAN source files are expected to be formatted with clang-format, fix
some nits that slipped in.  No functional change.

Link: https://lkml.kernel.org/r/20250507160012.3311104-1-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Bart van Assche <bvanassche@acm.org>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Macro Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
pull/1253/head
Alexander Potapenko 2025-05-07 18:00:08 +02:00 committed by Andrew Morton
parent e341f9c3c8
commit 1c1db46706
4 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mm/kmsan/core.c
View File

@ -159,8 +159,8 @@ depot_stack_handle_t kmsan_internal_chain_origin(depot_stack_handle_t id)
* Make sure we have enough spare bits in @id to hold the UAF bit and * Make sure we have enough spare bits in @id to hold the UAF bit and
* the chain depth. * the chain depth.
*/ */
BUILD_BUG_ON( BUILD_BUG_ON((1 << STACK_DEPOT_EXTRA_BITS) <=
(1 << STACK_DEPOT_EXTRA_BITS) <= (KMSAN_MAX_ORIGIN_DEPTH << 1)); (KMSAN_MAX_ORIGIN_DEPTH << 1));
extra_bits = stack_depot_get_extra_bits(id); extra_bits = stack_depot_get_extra_bits(id);
depth = kmsan_depth_from_eb(extra_bits); depth = kmsan_depth_from_eb(extra_bits);

4
mm/kmsan/hooks.c
View File

@ -114,9 +114,7 @@ void kmsan_kfree_large(const void *ptr)
kmsan_enter_runtime(); kmsan_enter_runtime();
page = virt_to_head_page((void *)ptr); page = virt_to_head_page((void *)ptr);
KMSAN_WARN_ON(ptr != page_address(page)); KMSAN_WARN_ON(ptr != page_address(page));
kmsan_internal_poison_memory((void *)ptr, kmsan_internal_poison_memory((void *)ptr, page_size(page), GFP_KERNEL,
page_size(page),
GFP_KERNEL,
KMSAN_POISON_CHECK | KMSAN_POISON_FREE); KMSAN_POISON_CHECK | KMSAN_POISON_FREE);
kmsan_leave_runtime(); kmsan_leave_runtime();
} }

3
mm/kmsan/init.c
View File

@ -35,8 +35,7 @@ static void __init kmsan_record_future_shadow_range(void *start, void *end)
KMSAN_WARN_ON(future_index == NUM_FUTURE_RANGES); KMSAN_WARN_ON(future_index == NUM_FUTURE_RANGES);
KMSAN_WARN_ON((nstart >= nend) || KMSAN_WARN_ON((nstart >= nend) ||
/* Virtual address 0 is valid on s390. */ /* Virtual address 0 is valid on s390. */
(!IS_ENABLED(CONFIG_S390) && !nstart) || (!IS_ENABLED(CONFIG_S390) && !nstart) || !nend);
!nend);
nstart = ALIGN_DOWN(nstart, PAGE_SIZE); nstart = ALIGN_DOWN(nstart, PAGE_SIZE);
nend = ALIGN(nend, PAGE_SIZE); nend = ALIGN(nend, PAGE_SIZE);

3
mm/kmsan/shadow.c
View File

@ -207,8 +207,7 @@ void kmsan_free_page(struct page *page, unsigned int order)
if (!kmsan_enabled || kmsan_in_runtime()) if (!kmsan_enabled || kmsan_in_runtime())
return; return;
kmsan_enter_runtime(); kmsan_enter_runtime();
kmsan_internal_poison_memory(page_address(page), kmsan_internal_poison_memory(page_address(page), page_size(page),
page_size(page),
GFP_KERNEL, GFP_KERNEL,
KMSAN_POISON_CHECK | KMSAN_POISON_FREE); KMSAN_POISON_CHECK | KMSAN_POISON_FREE);
kmsan_leave_runtime(); kmsan_leave_runtime();