This is a note to let you know that I've just added the patch titled rust: kbuild: add -fzero-init-padding-bits to bindgen_skip_cflags to the 6.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rust-kbuild-add-fzero-init-padding-bits-to-bindgen_s.patch and it can be found in the queue-6.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7135c6ca6952e39b35856546f51da533d3f8145c Author: Justin M. Forbes <jforbes@xxxxxxxxxxxxxxxxx> Date: Wed Jan 29 14:50:02 2025 -0700 rust: kbuild: add -fzero-init-padding-bits to bindgen_skip_cflags [ Upstream commit a9c621a217128eb3fb7522cf763992d9437fd5ba ] This seems to break the build when building with gcc15: Unable to generate bindings: ClangDiagnostic("error: unknown argument: '-fzero-init-padding-bits=all'\n") Thus skip that flag. Signed-off-by: Justin M. Forbes <jforbes@xxxxxxxxxxxxxxxxx> Fixes: dce4aab8441d ("kbuild: Use -fzero-init-padding-bits=all") Reviewed-by: Kees Cook <kees@xxxxxxxxxx> Link: https://lore.kernel.org/r/20250129215003.1736127-1-jforbes@xxxxxxxxxxxxxxxxx [ Slightly reworded commit. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/rust/Makefile b/rust/Makefile index a40a3936126d6..43cd7f845a9a3 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -238,6 +238,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \ -fzero-call-used-regs=% -fno-stack-clash-protection \ -fno-inline-functions-called-once -fsanitize=bounds-strict \ -fstrict-flex-arrays=% -fmin-function-alignment=% \ + -fzero-init-padding-bits=% \ --param=% --param asan-% # Derived from `scripts/Makefile.clang`.