Messages in this thread Patch in this message | | | From | Yu-cheng Yu <> | Subject | [PATCH v17 6/7] x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point | Date | Tue, 29 Dec 2020 13:33:49 -0800 |
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From: "H.J. Lu" <hjl.tools@gmail.com>
Add ENDBR32 to __kernel_vsyscall entry point.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com> Acked-by: Andy Lutomirski <luto@kernel.org> --- 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..d28d20d8d4ce 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_USER + endbr32 +#endif /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state. -- 2.21.0
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