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x86/vdso: Enable sanitizers for vma.o

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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
file.

Signed-off-by: Jann Horn <jannh@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marco Elver <elver@google.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Link: https://lkml.kernel.org/r/20200106200204.94782-1-jannh@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jann Horn 2020-01-06 21:02:04 +01:00 committed by Ingo Molnar
parent 31c7ac388a
commit c29a59e438
1 changed files with 3 additions and 0 deletions
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3
arch/x86/entry/vdso/Makefile
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@ -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
OBJECT_FILES_NON_STANDARD_vma.o := n
# vDSO images to build