Hello,
Kees Cook <k...@kernel.org> writes:
> Based on changes in the 2021 public version of the randstruct
> out-of-tree GCC plugin[1], more carefully update the attributes on
> resulting decls, to avoid tripping checks in GCC 15's
> comptypes_check_enum_int() when it has been configured with
> "--enable-checking=misc":
>
> arch/arm64/kernel/kexec_image.c:132:14: internal compiler error: in
> comptypes_check_enum_int, at c/c-typeck.cc:1519
> 132 | const struct kexec_file_ops kexec_image_ops = {
> | ^~~~~~~~~~~~~~
> internal_error(char const*, ...), at gcc/gcc/diagnostic-global-context.cc:517
> fancy_abort(char const*, int, char const*), at gcc/gcc/diagnostic.cc:1803
> comptypes_check_enum_int(tree_node*, tree_node*, bool*), at
> gcc/gcc/c/c-typeck.cc:1519
> ...
Great! Thank you.
> Link:
> https://archive.org/download/grsecurity/grsecurity-3.1-5.10.41-202105280954.patch.gz
> [1]
> Reported-by: Thiago Jung Bauermann <thiago.bauerm...@linaro.org>
> Closes: https://github.com/KSPP/linux/issues/367
> Closes:
> https://lore.kernel.org/lkml/20250530000646.104457-1-thiago.bauerm...@linaro.org/
> Reported-by: Ingo Saitz <i...@hannover.ccc.de>
> Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1104745
> Fixes: 313dd1b62921 ("gcc-plugins: Add the randstruct plugin")
> Signed-off-by: Kees Cook <k...@kernel.org>
> ---
> Cc: Thiago Jung Bauermann <thiago.bauerm...@linaro.org>
> Cc: Ingo Saitz <i...@hannover.ccc.de>
> Cc: Nathan Chancellor <nat...@kernel.org>
> Cc: <linux-hardening@vger.kernel.org>
> ---
> scripts/gcc-plugins/gcc-common.h | 32 +++++++++++++++++++
> scripts/gcc-plugins/randomize_layout_plugin.c | 22 ++++++-------
> 2 files changed, 43 insertions(+), 11 deletions(-)
Tested-by: Thiago Jung Bauermann <thiago.bauerm...@linaro.org>
--
Thiago
