x86/traps: Disable interrupts in exc_aligment_check()

exc_alignment_check() fails to disable interrupts before returning to the
entry code.

Fixes: ca4c6a9 ("x86/traps: Make interrupt enable/disable symmetric in C code")
Reported-by: [email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Andy Lutomirski <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

Author: KAGA-KOKO

arch/x86/kernel/traps.c

@@ -299,6 +299,8 @@ DEFINE_IDTENTRY_ERRORCODE(exc_alignment_check)
 
 	do_trap(X86_TRAP_AC, SIGBUS, "alignment check", regs,
 		error_code, BUS_ADRALN, NULL);
+
+	local_irq_disable();
 }
 
 #ifdef CONFIG_VMAP_STACK