curr_el_sp0_irq/_AArch64_Exception_interrupt_nest may use Incorrect sp. ARM-ARM described "on exception entry to Elx, SP_ELx is automatically selected. so when curr_el_sp0_irq/_AArch64_Exception_interrupt_nest will use sp_el1(this is task sp not interrupt sp) . Use gdb to verify curr_el_sp0_irq/_AArch64_Exception_interrupt_nest really use Incorrect sp.
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