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Merge tag 'hardening-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

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Pull hardening fixes from Kees Cook:

 - fix required Clang version for CC_HAS_COUNTED_BY_PTR (Nathan
   Chancellor)

 - update Coccinelle script used for kmalloc_obj

* tag 'hardening-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  init/Kconfig: Require a release version of clang-22 for CC_HAS_COUNTED_BY_PTR
  coccinelle: kmalloc_obj: Remove default GFP_KERNEL arg
This commit is contained in:
Linus Torvalds
2026-03-25 14:47:18 -07:00
parent 51088b9d5f 7a618ca9b9
commit d2a43e7f89
2 changed files with 12 additions and 1 deletions
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2
init/Kconfig
View File

@@ -146,7 +146,7 @@ config CC_HAS_COUNTED_BY
config CC_HAS_COUNTED_BY_PTR
bool
# supported since clang 22
default y if CC_IS_CLANG && CLANG_VERSION >= 220000
default y if CC_IS_CLANG && CLANG_VERSION >= 220100
# supported since gcc 16.0.0
default y if CC_IS_GCC && GCC_VERSION >= 160000

11
scripts/coccinelle/api/kmalloc_objs.cocci
View File

@@ -122,3 +122,14 @@ fresh identifier ALLOC_OBJS = script:python(ALLOC_ARRAY) { alloc_array(ALLOC_ARR
- ALLOC(struct_size_t(TYPE, FLEX, COUNT), GFP)
+ ALLOC_FLEX(TYPE, FLEX, COUNT, GFP)
)
@drop_gfp_kernel depends on patch && !(file in "tools") && !(file in "samples")@
identifier ALLOC = {kmalloc_obj,kmalloc_objs,kmalloc_flex,
kzalloc_obj,kzalloc_objs,kzalloc_flex,
kvmalloc_obj,kvmalloc_objs,kvmalloc_flex,
kvzalloc_obj,kvzalloc_objs,kvzalloc_flex};
@@
ALLOC(...
- , GFP_KERNEL
)