TASK_STACK_CANARY 87 arch/mips/kernel/asm-offsets.c OFFSET(TASK_STACK_CANARY, task_struct, stack_canary); TASK_STACK_CANARY 80 arch/xtensa/kernel/asm-offsets.c DEFINE(TASK_STACK_CANARY, offsetof(struct task_struct, stack_canary));