{"id":542,"date":"2016-09-15T17:54:22","date_gmt":"2016-09-15T15:54:22","guid":{"rendered":"http:\/\/blogs.gentoo.org\/ago\/?p=542"},"modified":"2016-10-16T11:31:56","modified_gmt":"2016-10-16T09:31:56","slug":"graphicsmagick-memory-allocation-failure-in-readpcximage-pcx-c","status":"publish","type":"post","link":"https:\/\/blogs.gentoo.org\/ago\/2016\/09\/15\/graphicsmagick-memory-allocation-failure-in-readpcximage-pcx-c\/","title":{"rendered":"graphicsmagick: memory allocation failure in ReadPCXImage (pcx.c)"},"content":{"rendered":"<p><strong>Description<\/strong>:<br \/>\n<a href=\"http:\/\/www.graphicsmagick.org\/\">Graphicsmagick<\/a> is an Image Processing System.<\/p>\n<p>After the first round of fuzzing where I discovered some slowness issues that make the fuzz hard, the second round revealed a memory allocation failure.<\/p>\n<p>The complete ASan output:<\/p>\n<pre><font size=\"2\"># gm identify $FILE\r\n==10139==ERROR: AddressSanitizer failed to allocate 0x4cd6a6000 (20626169856) bytes of LargeMmapAllocator (error code: 12)                                                                                                                                                     \r\n==10139==Process memory map follows:                                                                                                                                                                                                                                           \r\n        0x000000400000-0x00000051f000   \/usr\/bin\/gm                                                                                                                                                                                                                            \r\n        0x00000071e000-0x00000071f000   \/usr\/bin\/gm                                                                                                                                                                                                                            \r\n        0x00000071f000-0x000000722000   \/usr\/bin\/gm                                                                                                                                                                                                                            \r\n        0x000000722000-0x000001394000                                                                                                                                                                                                                                          \r\n        0x00007fff7000-0x00008fff7000                                                                                                                                                                                                                                          \r\n        0x00008fff7000-0x02008fff7000                                                                                                                                                                                                                                          \r\n        0x02008fff7000-0x10007fff8000                                                                                                                                                                                                                                          \r\n        0x600000000000-0x602000000000                                                                                                                                                                                                                                          \r\n        0x602000000000-0x602000010000                                                                                                                                                                                                                                          \r\n        0x602000010000-0x603000000000                                                                                                                                                                                                                                          \r\n        0x603000000000-0x603000010000                                                                                                                                                                                                                                          \r\n        0x603000010000-0x604000000000                                                                                                                                                                                                                                          \r\n        0x604000000000-0x604000010000                                                                                                                                                                                                                                          \r\n        0x604000010000-0x606000000000                                                                                                                                                                                                                                          \r\n        0x606000000000-0x606000010000                                                                                                                                                                                                                                          \r\n        0x606000010000-0x607000000000                                                                                                                                                                                                                                          \r\n        0x607000000000-0x607000010000                                                                                                                                                                                                                                          \r\n        0x607000010000-0x608000000000                                                                                                                                                                                                                                          \r\n        0x608000000000-0x608000010000                                                                                                                                                                                                                                          \r\n        0x608000010000-0x60a000000000                                                                                                                                                                                                                                          \r\n        0x60a000000000-0x60a000010000                                                                                                                                                                                                                                          \r\n        0x60a000010000-0x60b000000000                                                                                                                                                                                                                                          \r\n        0x60b000000000-0x60b000010000                                                                                                                                                                                                                                          \r\n        0x60b000010000-0x60c000000000                                                                                                                                                                                                                                          \r\n        0x60c000000000-0x60c000010000                                                                                                                                                                                                                                          \r\n        0x60c000010000-0x60f000000000                                                                                                                                                                                                                                          \r\n        0x60f000000000-0x60f000010000                                                                                                                                                                                                                                          \r\n        0x60f000010000-0x610000000000                                                                                                                                                                                                                                          \r\n        0x610000000000-0x610000010000                                                                                                                                                                                                                                          \r\n        0x610000010000-0x611000000000                                                                                                                                                                                                                                          \r\n        0x611000000000-0x611000010000                                                                                                                                                                                                                                          \r\n        0x611000010000-0x612000000000                                                                                                                                                                                                                                          \r\n        0x612000000000-0x612000010000                                                                                                                                                                                                                                          \r\n        0x612000010000-0x614000000000                                                                                                                                                                                                                                          \r\n        0x614000000000-0x614000020000                                                                                                                                                                                                                                          \r\n        0x614000020000-0x616000000000                                                                                                                                                                                                                                          \r\n        0x616000000000-0x616000020000                                                                                                                                                                                                                                          \r\n        0x616000020000-0x618000000000                                                                                                                                                                                                                                          \r\n        0x618000000000-0x618000020000                                                                                                                                                                                                                                          \r\n        0x618000020000-0x619000000000                                                                                                                                                                                                                                          \r\n        0x619000000000-0x619000020000                                                                                                                                                                                                                                          \r\n        0x619000020000-0x61a000000000\r\n        0x61a000000000-0x61a000020000\r\n        0x61a000020000-0x61b000000000\r\n        0x61b000000000-0x61b000020000\r\n        0x61b000020000-0x61d000000000\r\n        0x61d000000000-0x61d000020000\r\n        0x61d000020000-0x61e000000000\r\n        0x61e000000000-0x61e000020000\r\n        0x61e000020000-0x621000000000\r\n        0x621000000000-0x621000020000\r\n        0x621000020000-0x623000000000\r\n        0x623000000000-0x623000020000\r\n        0x623000020000-0x624000000000\r\n        0x624000000000-0x624000020000\r\n        0x624000020000-0x625000000000\r\n        0x625000000000-0x625000020000\r\n        0x625000020000-0x640000000000\r\n        0x640000000000-0x640000003000\r\n        0x7ff8e8877000-0x7ff8e888c000   \/usr\/lib64\/GraphicsMagick-1.3.25\/modules-Q32\/coders\/pcx.so\r\n        0x7ff8e888c000-0x7ff8e8a8c000   \/usr\/lib64\/GraphicsMagick-1.3.25\/modules-Q32\/coders\/pcx.so\r\n        0x7ff8e8a8c000-0x7ff8e8a8d000   \/usr\/lib64\/GraphicsMagick-1.3.25\/modules-Q32\/coders\/pcx.so\r\n        0x7ff8e8a8d000-0x7ff8e8a8e000   \/usr\/lib64\/GraphicsMagick-1.3.25\/modules-Q32\/coders\/pcx.so\r\n        0x7ff8e8a8e000-0x7ff8ef100000   \/usr\/lib64\/locale\/locale-archive\r\n        0x7ff8ef100000-0x7ff8ef200000\r\n        0x7ff8ef300000-0x7ff8ef400000\r\n        0x7ff8ef4ab000-0x7ff8f17fd000\r\n        0x7ff8f17fd000-0x7ff8f1806000   \/usr\/lib64\/libltdl.so.7.3.1\r\n        0x7ff8f1806000-0x7ff8f1a05000   \/usr\/lib64\/libltdl.so.7.3.1\r\n        0x7ff8f1a05000-0x7ff8f1a06000   \/usr\/lib64\/libltdl.so.7.3.1\r\n        0x7ff8f1a06000-0x7ff8f1a07000   \/usr\/lib64\/libltdl.so.7.3.1\r\n        0x7ff8f1a07000-0x7ff8f1a1c000   \/lib64\/libz.so.1.2.8\r\n        0x7ff8f1a1c000-0x7ff8f1c1b000   \/lib64\/libz.so.1.2.8\r\n        0x7ff8f1c1b000-0x7ff8f1c1c000   \/lib64\/libz.so.1.2.8\r\n        0x7ff8f1c1c000-0x7ff8f1c1d000   \/lib64\/libz.so.1.2.8\r\n        0x7ff8f1c1d000-0x7ff8f1c2c000   \/lib64\/libbz2.so.1.0.6\r\n        0x7ff8f1c2c000-0x7ff8f1e2b000   \/lib64\/libbz2.so.1.0.6\r\n        0x7ff8f1e2b000-0x7ff8f1e2c000   \/lib64\/libbz2.so.1.0.6\r\n        0x7ff8f1e2c000-0x7ff8f1e2d000   \/lib64\/libbz2.so.1.0.6\r\n        0x7ff8f1e2d000-0x7ff8f1ed4000   \/usr\/lib64\/libfreetype.so.6.12.3\r\n        0x7ff8f1ed4000-0x7ff8f20d4000   \/usr\/lib64\/libfreetype.so.6.12.3\r\n        0x7ff8f20d4000-0x7ff8f20da000   \/usr\/lib64\/libfreetype.so.6.12.3\r\n        0x7ff8f20da000-0x7ff8f20db000   \/usr\/lib64\/libfreetype.so.6.12.3\r\n        0x7ff8f20db000-0x7ff8f212f000   \/usr\/lib64\/liblcms2.so.2.0.6\r\n        0x7ff8f212f000-0x7ff8f232e000   \/usr\/lib64\/liblcms2.so.2.0.6\r\n        0x7ff8f232e000-0x7ff8f232f000   \/usr\/lib64\/liblcms2.so.2.0.6\r\n        0x7ff8f232f000-0x7ff8f2334000   \/usr\/lib64\/liblcms2.so.2.0.6\r\n        0x7ff8f2334000-0x7ff8f24c7000   \/lib64\/libc-2.22.so\r\n        0x7ff8f24c7000-0x7ff8f26c7000   \/lib64\/libc-2.22.so\r\n        0x7ff8f26c7000-0x7ff8f26cb000   \/lib64\/libc-2.22.so\r\n        0x7ff8f26cb000-0x7ff8f26cd000   \/lib64\/libc-2.22.so\r\n        0x7ff8f26cd000-0x7ff8f26d1000\r\n        0x7ff8f26d1000-0x7ff8f26e7000   \/usr\/lib64\/gcc\/x86_64-pc-linux-gnu\/4.9.3\/libgcc_s.so.1\r\n        0x7ff8f26e7000-0x7ff8f28e6000   \/usr\/lib64\/gcc\/x86_64-pc-linux-gnu\/4.9.3\/libgcc_s.so.1\r\n        0x7ff8f28e6000-0x7ff8f28e7000   \/usr\/lib64\/gcc\/x86_64-pc-linux-gnu\/4.9.3\/libgcc_s.so.1\r\n        0x7ff8f28e7000-0x7ff8f28e8000   \/usr\/lib64\/gcc\/x86_64-pc-linux-gnu\/4.9.3\/libgcc_s.so.1\r\n        0x7ff8f28e8000-0x7ff8f28ee000   \/lib64\/librt-2.22.so\r\n        0x7ff8f28ee000-0x7ff8f2aee000   \/lib64\/librt-2.22.so\r\n        0x7ff8f2aee000-0x7ff8f2aef000   \/lib64\/librt-2.22.so\r\n        0x7ff8f2aef000-0x7ff8f2af0000   \/lib64\/librt-2.22.so\r\n        0x7ff8f2af0000-0x7ff8f2b07000   \/lib64\/libpthread-2.22.so\r\n        0x7ff8f2b07000-0x7ff8f2d06000   \/lib64\/libpthread-2.22.so\r\n        0x7ff8f2d06000-0x7ff8f2d07000   \/lib64\/libpthread-2.22.so\r\n        0x7ff8f2d07000-0x7ff8f2d08000   \/lib64\/libpthread-2.22.so\r\n        0x7ff8f2d08000-0x7ff8f2d0c000\r\n        0x7ff8f2d0c000-0x7ff8f2e09000   \/lib64\/libm-2.22.so\r\n        0x7ff8f2e09000-0x7ff8f3008000   \/lib64\/libm-2.22.so\r\n        0x7ff8f3008000-0x7ff8f3009000   \/lib64\/libm-2.22.so\r\n        0x7ff8f3009000-0x7ff8f300a000   \/lib64\/libm-2.22.so\r\n        0x7ff8f300a000-0x7ff8f300c000   \/lib64\/libdl-2.22.so\r\n        0x7ff8f300c000-0x7ff8f320c000   \/lib64\/libdl-2.22.so\r\n        0x7ff8f320c000-0x7ff8f320d000   \/lib64\/libdl-2.22.so\r\n        0x7ff8f320d000-0x7ff8f320e000   \/lib64\/libdl-2.22.so\r\n        0x7ff8f320e000-0x7ff8f387c000   \/usr\/lib64\/libGraphicsMagick.so.3.15.1\r\n        0x7ff8f387c000-0x7ff8f3a7b000   \/usr\/lib64\/libGraphicsMagick.so.3.15.1\r\n        0x7ff8f3a7b000-0x7ff8f3aa3000   \/usr\/lib64\/libGraphicsMagick.so.3.15.1\r\n        0x7ff8f3aa3000-0x7ff8f3afd000   \/usr\/lib64\/libGraphicsMagick.so.3.15.1\r\n        0x7ff8f3afd000-0x7ff8f3b01000\r\n        0x7ff8f3b01000-0x7ff8f3b23000   \/lib64\/ld-2.22.so\r\n        0x7ff8f3c79000-0x7ff8f3c8e000\r\n        0x7ff8f3c8e000-0x7ff8f3c95000   \/usr\/lib64\/gconv\/gconv-modules.cache\r\n        0x7ff8f3c95000-0x7ff8f3cb8000   \/usr\/share\/locale\/it\/LC_MESSAGES\/libc.mo\r\n        0x7ff8f3cb8000-0x7ff8f3d16000\r\n        0x7ff8f3d16000-0x7ff8f3d22000\r\n        0x7ff8f3d22000-0x7ff8f3d23000   \/lib64\/ld-2.22.so\r\n        0x7ff8f3d23000-0x7ff8f3d24000   \/lib64\/ld-2.22.so\r\n        0x7ff8f3d24000-0x7ff8f3d25000\r\n        0x7fffd09c8000-0x7fffd09e9000   [stack]\r\n        0x7fffd09f0000-0x7fffd09f2000   [vvar]\r\n        0x7fffd09f2000-0x7fffd09f4000   [vdso]\r\n        0xffffffffff600000-0xffffffffff601000   [vsyscall]\r\n==10139==End of process memory map.\r\n==10139==AddressSanitizer CHECK failed: \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/sanitizer_common\/sanitizer_common.cc:183 \"((0 &amp;&amp; \"unable to mmap\")) != (0)\" (0x0, 0x0)\r\n    #0 0x4c973d in AsanCheckFailed \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_rtl.cc:67\r\n    #1 0x4d0273 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/sanitizer_common\/sanitizer_common.cc:159\r\n    #2 0x4d0461 in __sanitizer::ReportMmapFailureAndDie(unsigned long, char const*, char const*, int, bool) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/sanitizer_common\/sanitizer_common.cc:183\r\n    #3 0x4d949a in __sanitizer::MmapOrDie(unsigned long, char const*, bool) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/sanitizer_common\/sanitizer_posix.cc:122\r\n    #4 0x42182f in __sanitizer::LargeMmapAllocator::Allocate(__sanitizer::AllocatorStats*, unsigned long, unsigned long) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/..\/sanitizer_common\/sanitizer_allocator.h:1033\r\n    #5 0x42182f in __sanitizer::CombinedAllocator&lt;__sanitizer::SizeClassAllocator64&lt;105553116266496ul, 4398046511104ul, 0ul, __sanitizer::SizeClassMap, __asan::AsanMapUnmapCallback&gt;, __sanitizer::SizeClassAllocatorLocalCache&lt;__sanitizer::SizeClassAllocator64&lt;105553116266496ul, 4398046511104ul, 0ul, __sanitizer::SizeClassMap, __asan::AsanMapUnmapCallback&gt; &gt;, __sanitizer::LargeMmapAllocator &gt;::Allocate(__sanitizer::SizeClassAllocatorLocalCache&lt;__sanitizer::SizeClassAllocator64&lt;105553116266496ul, 4398046511104ul, 0ul, __sanitizer::SizeClassMap, __asan::AsanMapUnmapCallback&gt; &gt;*, unsigned long, unsigned long, bool, bool) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/..\/sanitizer_common\/sanitizer_allocator.h:1302\r\n    #6 0x42182f in __asan::Allocator::Allocate(unsigned long, unsigned long, __sanitizer::BufferedStackTrace*, __asan::AllocType, bool) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_allocator.cc:368\r\n    #7 0x42182f in __asan::asan_malloc(unsigned long, __sanitizer::BufferedStackTrace*) \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_allocator.cc:718\r\n    #8 0x4bfe01 in malloc \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_malloc_linux.cc:53\r\n    #9 0x7ff8e887beba in ReadPCXImage \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/coders\/pcx.c:467:16\r\n    #10 0x7ff8f34a4c4e in ReadImage \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/constitute.c:1607:13\r\n    #11 0x7ff8f34a4294 in PingImage \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/constitute.c:1370:9\r\n    #12 0x7ff8f33f5836 in IdentifyImageCommand \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/command.c:8375:17\r\n    #13 0x7ff8f33f9e23 in MagickCommand \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/command.c:8865:17\r\n    #14 0x7ff8f344fc3e in GMCommandSingle \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/command.c:17379:10\r\n    #15 0x7ff8f344e5d1 in GMCommand \/var\/tmp\/portage\/media-gfx\/graphicsmagick-1.3.25\/work\/GraphicsMagick-1.3.25\/magick\/command.c:17432:16\r\n    #16 0x7ff8f235461f in __libc_start_main \/var\/tmp\/portage\/sys-libs\/glibc-2.22-r4\/work\/glibc-2.22\/csu\/libc-start.c:289\r\n    #17 0x4188d8 in _init (\/usr\/bin\/gm+0x4188d8)\r\n<\/font><\/pre>\n<p><strong>Affected version:<\/strong><br \/>\n1.3.25<\/p>\n<p><strong>Fixed version:<\/strong><br \/>\n1.3.26 (not yet released)<\/p>\n<p><strong>Commit fix:<\/strong><br \/>\n<a href=\"http:\/\/hg.code.sf.net\/p\/graphicsmagick\/code\/rev\/b9edafd479b9\">http:\/\/hg.code.sf.net\/p\/graphicsmagick\/code\/rev\/b9edafd479b9<\/a><\/p>\n<p><strong>Credit:<\/strong><br \/>\nThis bug was discovered by Agostino Sarubbo of Gentoo.<\/p>\n<p><strong>CVE:<\/strong><br \/>\nCVE-2016-8683<\/p>\n<p><strong>Timeline:<\/strong><br \/>\n2016-09-09: bug discovered<br \/>\n2016-09-09: bug reported privately to upstream<br \/>\n2016-09-10: no upstream response<br \/>\n2016-09-15: blog post about the issue<br \/>\n2016-10-16: CVE Assigned<\/p>\n<p><strong>Note:<\/strong><br \/>\nThis bug was found with <a href=\"http:\/\/lcamtuf.coredump.cx\/afl\">American Fuzzy Lop<\/a>.<\/p>\n<p><strong>Permalink:<\/strong><\/p>\n<blockquote data-secret=\"zRERIhQMmy\" class=\"wp-embedded-content\"><p><a href=\"http:\/\/blogs.gentoo.org\/ago\/2016\/09\/15\/graphicsmagick-memory-allocation-failure-in-readpcximage-pcx-c\/\">graphicsmagick: memory allocation failure in ReadPCXImage (pcx.c)<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/blogs.gentoo.org\/ago\/2016\/09\/15\/graphicsmagick-memory-allocation-failure-in-readpcximage-pcx-c\/embed\/#?secret=zRERIhQMmy\" data-secret=\"zRERIhQMmy\" width=\"600\" height=\"338\" title=\"&#8220;graphicsmagick: memory allocation failure in ReadPCXImage (pcx.c)&#8221; &#8212; agostino&#039;s blog\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description: Graphicsmagick is an Image Processing System. After the first round of fuzzing where I discovered some slowness issues that make the fuzz hard, the second round revealed a memory allocation failure. The complete ASan output: # gm identify $FILE &hellip; <a href=\"https:\/\/blogs.gentoo.org\/ago\/2016\/09\/15\/graphicsmagick-memory-allocation-failure-in-readpcximage-pcx-c\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":140,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[12,10],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2EaBc-8K","_links":{"self":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/542"}],"collection":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/users\/140"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/comments?post=542"}],"version-history":[{"count":5,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/542\/revisions"}],"predecessor-version":[{"id":714,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/542\/revisions\/714"}],"wp:attachment":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/media?parent=542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/categories?post=542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/tags?post=542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}