{"provider_url":"https://hatena.blog","author_name":"kuro_m88","description":"\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u5229\u7528\u3057\u3066\u95a2\u6570\u306e\u623b\u308a\u5148\u30a2\u30c9\u30ec\u30b9\u66f8\u304d\u63db\u3048\u308b\u30b5\u30f3\u30d7\u30eb\u3068\u304b\u898b\u304b\u3051\u308b\u3051\u3069\u3001\u81ea\u5206\u3067\u3084\u3063\u305f\u3053\u3068\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3084\u3063\u3066\u307f\u305f\u3002 \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 (test.c) #include <stdio.h> void hack() { printf(\"Hacked!\\n\"); } void func() { int a[1]; a[2] = &hack; } int main() { func(); return 0; } \u5b9f\u884c Ubuntu13.04\u306e32\u30d3\u30c3\u30c8\u7248\u4e0a\u306egcc 4.7.3\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001\u5b9f\u884c\u3002 $ gcc test.c $ ./a.out Hacked! Segmentation \u2026","title":"C\u8a00\u8a9e\u3067\u95a2\u6570\u306e\u623b\u308a\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u308b","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/kuro_m88/","blog_url":"https://kurochan-note.hatenablog.jp/","published":"2013-08-01 02:44:11","categories":[],"url":"https://kurochan-note.hatenablog.jp/entry/2013/08/01/024411","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/k/kuro_m88/20130801/20130801022245.png","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkurochan-note.hatenablog.jp%2Fentry%2F2013%2F08%2F01%2F024411\" title=\"C\u8a00\u8a9e\u3067\u95a2\u6570\u306e\u623b\u308a\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u308b - \u304f\u308d\u306e\u96d1\u8a18\u5e33\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u304f\u308d\u306e\u96d1\u8a18\u5e33","width":"100%"}