Thread (53 messages) 53 messages, 10 authors, 2021-02-09
STALE1976d

[RFC PATCH 17/17] objtool: arm64: Enable stack validation for arm64

From: Julien Thierry <hidden>
Date: 2021-01-20 18:52:40
Also in: linux-efi, linux-hardening, lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

From: Raphael Gault <redacted>

Add build option to run stack validation at compile time.

Signed-off-by: Raphael Gault <redacted>
Signed-off-by: Julien Thierry <redacted>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 93a320cc8e03..3f297d61b56b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -185,6 +185,7 @@ config ARM64
 	select MMU_GATHER_RCU_TABLE_FREE
 	select HAVE_RSEQ
 	select HAVE_STACKPROTECTOR
+	select HAVE_STACK_VALIDATION if CC_IS_GCC
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
-- 
2.25.4


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