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kbuild: rust: Enable KASAN support

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Rust supports KASAN via LLVM, but prior to this patch, the flags aren't
set properly.

Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Matthew Maurer <mmaurer@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Link: https://lore.kernel.org/r/20240820194910.187826-4-mmaurer@google.com
[ Applied "SW_TAGS KASAN" nit. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Matthew Maurer 2024-08-20 19:48:58 +00:00 • committed by Miguel Ojeda
parent f64e2f3a66
commit e3117404b4
3 changed files with 45 additions and 17 deletions
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2
scripts/generate_rust_target.rs
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@ -207,7 +207,7 @@ fn main() {
}
ts.push("features", features);
ts.push("llvm-target", "x86_64-linux-gnu");
ts.push("supported-sanitizers", ["kcfi"]);
ts.push("supported-sanitizers", ["kcfi", "kernel-address"]);
ts.push("target-pointer-width", "64");
} else if cfg.has("X86_32") {
// This only works on UML, as i386 otherwise needs regparm support in rustc