| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 032/100] x86/entry/32: Add missing ASM_CLAC to general_protection entry | Date | Wed, 22 Apr 2020 11:56:02 +0200 |
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From: Thomas Gleixner <tglx@linutronix.de>
commit 3d51507f29f2153a658df4a0674ec5b592b62085 upstream.
All exception entry points must have ASM_CLAC right at the beginning. The general_protection entry is missing one.
Fixes: e59d1b0a2419 ("x86-32, smap: Add STAC/CLAC instructions to 32-bit kernel entry") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Reviewed-by: Andy Lutomirski <luto@kernel.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200225220216.219537887@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/x86/entry/entry_32.S | 1 + 1 file changed, 1 insertion(+)
--- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1071,6 +1071,7 @@ ENTRY(int3) END(int3) ENTRY(general_protection) + ASM_CLAC pushl $do_general_protection jmp error_code END(general_protection)
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