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hardening fixes for v6.7-rc4

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- struct_group: propagate attributes to top-level union (Dmitry Antipov)
 
 - gcc-plugins: randstruct: Update code comment in relayout_struct (Gustavo
   A. R. Silva)
 
 - MAINTAINERS: refresh LLVM support (Nick Desaulniers)
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Merge tag 'hardening-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening fixes from Kees Cook:

 - struct_group: propagate attributes to top-level union (Dmitry
   Antipov)

 - gcc-plugins: randstruct: Update code comment in relayout_struct
   (Gustavo A. R. Silva)

 - MAINTAINERS: refresh LLVM support (Nick Desaulniers)

* tag 'hardening-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: randstruct: Update code comment in relayout_struct()
  uapi: propagate __struct_group() attributes to the container union
  MAINTAINERS: refresh LLVM support
This commit is contained in:
Linus Torvalds 2023-12-01 14:17:54 +09:00
commit 994d5c58e5
3 changed files with 5 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
MAINTAINERS
View file

@ -5076,7 +5076,6 @@ CLANG CONTROL FLOW INTEGRITY SUPPORT
M: Sami Tolvanen <samitolvanen@google.com>
M: Kees Cook <keescook@chromium.org>
R: Nathan Chancellor <nathan@kernel.org>
R: Nick Desaulniers <ndesaulniers@google.com>
L: llvm@lists.linux.dev
S: Supported
B: https://github.com/ClangBuiltLinux/linux/issues
@ -5091,8 +5090,9 @@ F: .clang-format
CLANG/LLVM BUILD SUPPORT
M: Nathan Chancellor <nathan@kernel.org>
M: Nick Desaulniers <ndesaulniers@google.com>
R: Tom Rix <trix@redhat.com>
R: Nick Desaulniers <ndesaulniers@google.com>
R: Bill Wendling <morbo@google.com>
R: Justin Stitt <justinstitt@google.com>
L: llvm@lists.linux.dev
S: Supported
W: https://clangbuiltlinux.github.io/
@ -5242,7 +5242,6 @@ F: drivers/platform/x86/compal-laptop.c
COMPILER ATTRIBUTES
M: Miguel Ojeda <ojeda@kernel.org>
R: Nick Desaulniers <ndesaulniers@google.com>
S: Maintained
F: include/linux/compiler_attributes.h
@ -11516,7 +11515,6 @@ F: fs/autofs/
KERNEL BUILD + files below scripts/ (unless maintained elsewhere)
M: Masahiro Yamada <masahiroy@kernel.org>
R: Nathan Chancellor <nathan@kernel.org>
R: Nick Desaulniers <ndesaulniers@google.com>
R: Nicolas Schier <nicolas@fjasle.eu>
L: linux-kbuild@vger.kernel.org
S: Maintained

2
include/uapi/linux/stddef.h
View file

@ -27,7 +27,7 @@
union { \
struct { MEMBERS } ATTRS; \
struct TAG { MEMBERS } ATTRS NAME; \
}
} ATTRS
#ifdef __cplusplus
/* sizeof(struct{}) is 1 in C++, not 0, can't use C version of the macro. */

3
scripts/gcc-plugins/randomize_layout_plugin.c
View file

@ -339,8 +339,7 @@ static int relayout_struct(tree type)
/*
* enforce that we don't randomize the layout of the last
* element of a struct if it's a 0 or 1-length array
* or a proper flexible array
* element of a struct if it's a proper flexible array
*/
if (is_flexible_array(newtree[num_fields - 1])) {
has_flexarray = true;