x86/vdso: Enable sanitizers for vma.o
diff mbox series

Message ID 20200106200204.94782-1-jannh@google.com
State In Next
Commit a3aab9bd6d7effe295916b32e0f4c53033c88184
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  • x86/vdso: Enable sanitizers for vma.o
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Commit Message

Jann Horn Jan. 6, 2020, 8:02 p.m. UTC
The vDSO makefile opts out of all sanitizers (and objtool validation);
however, vma.o is a normal kernel object file (and already has objtool
validation selectively enabled), so turn the sanitizers back on for that

Signed-off-by: Jann Horn <jannh@google.com>

    This should probably go on top of the locking/kcsan branch?

 arch/x86/entry/vdso/Makefile | 3 +++
 1 file changed, 3 insertions(+)

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diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 0f46273b4556..50a1c9008864 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -30,6 +30,9 @@  vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o
 # files to link into kernel
 obj-y				+= vma.o
+KASAN_SANITIZE_vma.o		:= y
+UBSAN_SANITIZE_vma.o		:= y
+KCSAN_SANITIZE_vma.o		:= y
 # vDSO images to build