The latter is the more interesting test — it writes a 0xcc byte (the x86-64 software breakpoint instruction) which will cause the kernel to deliver a SIGTRAP to our process if executed. This is literally changing the executable code of libc. So the next time we call getchar, if we get a SIGTRAP, we know that the write has succeeded.
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The lawsuit marks the culmination of mounting tensions between Anthropic and the Department of Defense, which the Trump administration calls the Department of War. The company had a major contract that made its generative AI systems the most used across the Pentagon.
让人没想到的是，超越OpenAI、谷歌、微软等机构的开源项目的MiroFish，背后是一个国内大四学生，仅仅3个月的时间，就拿下3000万投资。
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