{"version":"1.0","title":"vdso\u306e\u9818\u57df\u3092\u8aad\u3093\u3067\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58","blog_title":"\u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/719640/1514202348571315","url":"https://kernhack.hatenablog.com/entry/2018/03/20/002504","description":"\u3075\u3068vdso\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u95a2\u6570\u306e\u4e00\u89a7\u304c\u898b\u305f\u304f\u306a\u3063\u305f\u306e\u3067\u3002 dump vdso masami@saga:~$ gcc read_vdso.c -o read_vdso masami@saga:~$ ./read_vdso [*]read 2 pages [*]vdso start address is 0x7ffd532fb000 [*]write data [*]Done. masami@saga:~$ file vdso_dump.so vdso_dump.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamic\u2026","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkernhack.hatenablog.com%2Fentry%2F2018%2F03%2F20%2F002504\" title=\"vdso\u306e\u9818\u57df\u3092\u8aad\u3093\u3067\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58 - \u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","categories":["linux","kernel"],"width":"100%","provider_url":"https://hatena.blog","blog_url":"https://kernhack.hatenablog.com/","author_name":"masami256","author_url":"https://blog.hatena.ne.jp/masami256/","provider_name":"Hatena Blog","published":"2018-03-20 00:25:04"}