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treewide: Replace kmalloc with kmalloc_obj for non-scalar types

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This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Kees Cook 2026-02-20 23:49:23 -08:00
commit 69050f8d6d
8016 changed files with 20055 additions and 20913 deletions
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4
lib/test_vmalloc.c
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@ -396,7 +396,7 @@ vm_map_ram_test(void)
int i;
map_nr_pages = nr_pages > 0 ? nr_pages:1;
pages = kcalloc(map_nr_pages, sizeof(struct page *), GFP_KERNEL);
pages = kzalloc_objs(struct page *, map_nr_pages, GFP_KERNEL);
if (!pages)
return -1;
@ -542,7 +542,7 @@ init_test_configuration(void)
nr_threads = clamp(nr_threads, 1, (int) USHRT_MAX);
/* Allocate the space for test instances. */
tdriver = kvcalloc(nr_threads, sizeof(*tdriver), GFP_KERNEL);
tdriver = kvzalloc_objs(*tdriver, nr_threads, GFP_KERNEL);
if (tdriver == NULL)
return -1;