[PATCH v22 6/8] x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point
From: Yu-cheng Yu <hidden>
Date: 2021-03-10 22:06:29
Also in:
linux-api, linux-arch, linux-doc, lkml
Subsystem:
the rest, x86 architecture (32-bit and 64-bit), x86 entry code, x86 vdso · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen, Andy Lutomirski
From: "H.J. Lu" <redacted> Add ENDBR32 to __kernel_vsyscall entry point. Signed-off-by: H.J. Lu <redacted> Signed-off-by: Yu-cheng Yu <redacted> Acked-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Kees Cook <redacted> --- arch/x86/entry/vdso/vdso32/system_call.S | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index de1fff7188aa..f19eaec3de3b 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S@@ -14,6 +14,9 @@ ALIGN __kernel_vsyscall: CFI_STARTPROC +#ifdef CONFIG_X86_CET + endbr32 +#endif /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state.
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2.21.0