{"id":47055,"date":"2021-12-10T11:00:19","date_gmt":"2021-12-10T02:00:19","guid":{"rendered":"https:\/\/www.creationline.com\/?p=47055"},"modified":"2023-08-29T15:23:24","modified_gmt":"2023-08-29T06:23:24","slug":"k0s%e3%81%a7seccomp%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86-k0s-mirantis-kubernetes-k8s-seccomp","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/kubernetes\/47055","title":{"rendered":"k0s\u3067Seccomp\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #k0s #mirantis #kubernetes #k8s #seccomp"},"content":{"rendered":"<p><a href=\"https:\/\/k0sproject.io\/\">k0s<\/a>\u3068\u306f\u3001\u8efd\u91cf\u304b\u3064\u4f7f\u3044\u3084\u3059\u3044\u3001100%\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001<\/p>\n<ul>\n<li>\u30d5\u30eb\u6a5f\u80fd\u306eKubernetes\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u3092\u5358\u4e00\u30d0\u30a4\u30ca\u30ea\u306b\u540c\u68b1<\/li>\n<li>k0s\u7279\u6709\u306e\u6539\u5909\u3092\u52a0\u3048\u3066\u3044\u306a\u3044\u3001CNCF\u8a8d\u5b9a\u306e\u7d14\u6b63\u306aKubernetes\u3092\u30c7\u30d7\u30ed\u30a4<\/li>\n<li>\u6700\u4f4e\u5fc5\u8981\u30ea\u30bd\u30fc\u30b91vCPU\u30fb1GB\u30e1\u30e2\u30ea\u30fb2GB\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30b7\u30f3\u30b0\u30eb\u30ce\u30fc\u30c9\u304b\u3089\u3001HA\u69cb\u6210\u306e\u5927\u898f\u6a21\u30af\u30e9\u30b9\u30bf\u307e\u3067\u30b5\u30dd\u30fc\u30c8<\/li>\n<li><a href=\"https:\/\/kubernetes.io\/docs\/tasks\/extend-kubernetes\/setup-konnectivity\/\">Konnectivity<\/a>\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316<\/li>\n<\/ul>\n<p>\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u3088\u308a\u8a73\u3057\u3044\u60c5\u5831\u306f<a href=\"https:\/\/docs.k0sproject.io\/\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f\u3053\u306ek0s\u3067\u3001\u300c<a href=\"\/lab\/46861\">Docker\u304c\u63a1\u7528\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u300cSeccomp\u300d\u3068\u306f\u4f55\u304b\uff1f<\/a>\u300d\u3067\u89e6\u308c\u305fSeccomp\u3092\u6709\u52b9\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<h2>Seccomp\u3068\u306f<\/h2>\n<p><a href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/userspace-api\/seccomp_filter.html\">Seccomp<\/a>\u3068\u306f\u3001Linux\u30ab\u30fc\u30cd\u30eb\u304c\u6301\u3064\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u306e\u4e00\u3064\u3067\u3001Secure Computing Mode\u306e\u7565\u3067\u3059\u3002\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001Seccomp\u306f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u8a31\u53ef\u30fb\u4e0d\u8a31\u53ef\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001\u5371\u967a\u306a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u5b9f\u884c\u3067\u304d\u306a\u304f\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u8a73\u3057\u304f\u306f\u300c<a href=\"\/lab\/46861\">Docker\u304c\u63a1\u7528\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u300cSeccomp\u300d\u3068\u306f\u4f55\u304b\uff1f<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>containerd\u306b\u304a\u3051\u308bSeccomp<\/h2>\n<p><a href=\"https:\/\/containerd.io\/\">containerd<\/a> (\u304a\u3088\u3073<a href=\"https:\/\/github.com\/opencontainers\/runc\">runc<\/a>)\u3082Seccomp\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001Docker\u306e\u5834\u5408\u3068\u540c\u3058\u3088\u3046\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002k0s\u3067\u306eSeccomp\u3092\u898b\u3066\u307f\u308b\u524d\u306b\u3001containerd\u306e\u5834\u5408\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002containerd\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f1.3.9\u3067\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\n[vagrant@master ~]$ sudo ctr version\nClient:\nVersion: 1.3.9\nRevision: ea765aba0d05254012b0b9e595e995c09186427f\n\nServer:\nVersion: 1.3.9\nRevision: ea765aba0d05254012b0b9e595e995c09186427f\nUUID: db4bdc57-8218-47ed-8d3d-4fa57f323382\n<\/pre>\n<p>\u307e\u305astrace\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b<a href=\"https:\/\/hub.docker.com\/r\/sjourdan\/strace\">sjourdan\/strace<\/a>\u30a4\u30e1\u30fc\u30b8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\n[vagrant@master ~]$ sudo ctr image pull docker.io\/sjourdan\/strace:latest\n(\u7565)\n<\/pre>\n<p>ctr run\u30b3\u30de\u30f3\u30c9\u306b\u7279\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u305b\u305a\u306b\u5b9f\u884c\u3059\u308b\u3068Seccomp\u306f\u7121\u52b9\u306a\u306e\u3067\u3001strace\u30b3\u30de\u30f3\u30c9\u306f\u6b63\u5e38\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\n[vagrant@master ~]$ sudo ctr run -t --rm docker.io\/sjourdan\/strace:latest strace \/bin\/sh\n\/ # strace ls -l\nexecve(&quot;\/bin\/ls&quot;, [&quot;ls&quot;, &quot;-l&quot;], [\/* 5 vars &lt;em&gt;\/]) = 0\narch_prctl(ARCH_SET_FS, 0x7f28dfe16b48) = 0\nset_tid_address(0x7f28dfe16b80) = 9\nmprotect(0x7f28dfe13000, 4096, PROT_READ) = 0\nmprotect(0x560dc8877000, 16384, PROT_READ) = 0\ngetuid() = 0\nioctl(0, TIOCGWINSZ, {ws_row=24, ws_col=80, ws_xpixel=0, ws_ypixel=0}) = 0\nioctl(1, TIOCGWINSZ, {ws_row=24, ws_col=80, ws_xpixel=0, ws_ypixel=0}) = 0\nlstat(&quot;.&quot;, {st_mode=S_IFDIR|0755, st_size=18, ...}) = 0\nopen(&quot;.&quot;, O_RDONLY|O_DIRECTORY|O_CLOEXEC) = 3\nfcntl(3, F_SETFD, FD_CLOEXEC) = 0\ngetdents64(3, \/&lt;\/em&gt; 18 entries *\/, 2048) = 440\nlstat(&quot;.\/bin&quot;, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0\nlstat(&quot;.\/dev&quot;, {st_mode=S_IFDIR|0755, st_size=360, ...}) = 0\nlstat(&quot;.\/etc&quot;, {st_mode=S_IFDIR|0755, st_size=17, ...}) = 0\n(\u7565)\n<\/pre>\n<p>ctr run\u30b3\u30de\u30f3\u30c9\u306b\u300c--seccomp\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5\u3059\u308b\u3068\u3001Seccomp\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u3067strace\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\n[vagrant@master ~]$ sudo ctr run -t --rm --seccomp docker.io\/sjourdan\/strace:latest strace \/bin\/sh\n\/ # strace ls -l\nstrace: ptrace(PTRACE_TRACEME, ...): Operation not permitted\n+++ exited with 1 +++\n<\/pre>\n<p>\u60f3\u5b9a\u901a\u308a\u3001strace\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002Docker\u3068\u540c\u3058\u304fcontainerd\u3082\u5185\u8535\u306eSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306fptrace\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u8a73\u7d30\u306f<a href=\"https:\/\/github.com\/containerd\/containerd\/blob\/release\/1.3\/contrib\/seccomp\/seccomp_default.go\">\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>k0s\u3067\u306eSeccomp<\/h2>\n<p>k0s\u3067Kubernetes\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u5229\u7528\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3057\u3066containerd\u3082\u4e00\u7dd2\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002\u305d\u3057\u3066<a href=\"https:\/\/kubernetes.io\/docs\/tutorials\/clusters\/seccomp\/\">Kubernetes\u3082Seccomp\u306b\u5bfe\u5fdc<\/a>\u3057\u3066\u3044\u308b\u306e\u3067\u3001k0s\u3067\u306f\u3059\u3050\u306bSeccomp\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Virtualbox\/Vagrant\u3067\u7528\u610f\u3057\u305f2\u30ce\u30fc\u30c9\u306e\u4eee\u60f3\u30de\u30b7\u30f3\u306bk0s\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5b9f\u969b\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u306f\u3053\u3053\u3067\u306f\u7701\u7565\u3057\u307e\u3059\u306e\u3067\u300c<a href=\"\/lab\/43993\">k0s\u3067Kubernetes\u3092Virtualbox\/Vagrant\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u3088\u3046<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>k0s\u3067Kubernetes\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u305f\u3068\u3057\u3066\u3001\u6b21\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u300cnginx-with-seccomp.yaml\u300d\u3092\u6e96\u5099\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\">\napiVersion: v1\nkind: Pod\nmetadata:\nname: nginx\nspec:\nsecurityContext:\nseccompProfile:\ntype: RuntimeDefault\ncontainers:\n- name: nginx\nimage: nginx:1.20.2\n<\/pre>\n<p>\u3053\u306e\u300csepc.securityContext.seccompProfile.type: RuntimeDefault\u300d\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306eSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n<p>Pod\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3001strace\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u308b\u304b\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\nvagrant@master:~$ k0s kubectl apply -f nginx-with-seccomp.yaml\npod\/nginx created\nvagrant@master:~$ k0s kubectl describe pod nginx\nName: nginx\nNamespace: default\nPriority: 0\nNode: node01\/192.168.123.201\nStart Time: Tue, 30 Nov 2021 02:52:29 +0000\nLabels:\nAnnotations: kubernetes.io\/psp: 00-k0s-privileged\nseccomp.security.alpha.kubernetes.io\/pod: runtime\/default\nStatus: Running\n(\u7565)\nvagrant@master:~$ k0s kubectl exec -it nginx -- bash\nroot@nginx:\/# apt update &amp;&amp; apt install -y strace\n(\u7565)\nroot@nginx:\/# strace ls -l\nstrace: test_ptrace_get_syscall_info: PTRACE_TRACEME: Operation not permitted\nstrace: ptrace(PTRACE_TRACEME, ...): Operation not permitted\nstrace: PTRACE_SETOPTIONS: Operation not permitted\nstrace: detach: waitpid(330): No child processes\nstrace: Process 330 detached\n<\/pre>\n<p>\u5148\u306econtainerd\u3067\u306e\u4f8b\u3067\u898b\u305f\u3088\u3046\u306b\u3001containerd\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3067\u306fptrace\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u60f3\u5b9a\u901a\u308a\u306bstrace\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u4ee5\u5916\u306eSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f \u307e\u305a\u306fKubelet\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5168\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9\u306e\u6307\u5b9a\u306e\u5834\u6240\u306b\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u4f7f\u7528\u3057\u305f k0s-v1.22.4+k0s.0-amd64 \u3067\u306f \/var\/lib\/kubelet\/seccomp\/ \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Docker\u7d44\u307f\u8fbc\u307f\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001statx\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u8a31\u53ef\u30ea\u30b9\u30c8\u304b\u3089\u524a\u9664\u3057\u3001\/var\/lib\/kubelet\/seccomp\/ \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b no-statx.json \u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\nvagrant@node01:~$ wget https:\/\/raw.githubusercontent.com\/moby\/moby\/master\/profiles\/seccomp\/default.json\nvagrant@node01:~$ sudo mkdir \/var\/lib\/kubelet\/seccomp\nvagrant@node01:~$ sed &#039;\/statx\/d&#039; default.json | sudo tee \/var\/lib\/kubelet\/seccomp\/no-statx.json\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\">\nvagrant@node01:~$ diff -u default.json \/var\/lib\/kubelet\/seccomp\/no-statx.json\n--- default.json 2021-11-30 03:54:49.153299783 +0000\n+++ \/var\/lib\/kubelet\/seccomp\/no-statx.json 2021-11-30 03:56:26.385299783 +0000\n@@ -351,7 +351,6 @@\n&quot;stat64&quot;,\n&quot;statfs&quot;,\n&quot;statfs64&quot;,\n- &quot;statx&quot;,\n&quot;symlink&quot;,\n&quot;symlinkat&quot;,\n&quot;sync&quot;,\nvagrant@node01:~$\n<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3059\u308b\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\">\napiVersion: v1\nkind: Pod\nmetadata:\nname: nginx\nspec:\nsecurityContext:\nseccompProfile:\ntype: Localhost\nlocalhostProfile: no-statx.json\ncontainers:\n- name: nginx\nimage: nginx:1.20.2\n<\/pre>\n<p>\u300csepc.securityContext.seccompProfile.type: Localhost\u300d\u3068\u300csepc.securityContext.seccompProfile.localhostProfile: no-statx.json\u300d\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u30ef\u30fc\u30ab\u30fc\u30ce\u30fc\u30c9\u4e0a\u306e\u6307\u5b9a\u3055\u308c\u305fSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Pod\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3001statx\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u5229\u7528\u3059\u308bls\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u308b\u304b\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\nvagrant@master:~$ k0s kubectl apply -f nginx-with-no-statx.yaml\npod\/nginx created\nvagrant@master:~$ k0s kubectl describe pod nginx\nName: nginx\nNamespace: default\nPriority: 0\nNode: node01\/192.168.123.201\nStart Time: Tue, 30 Nov 2021 03:57:59 +0000\nLabels:\nAnnotations: kubernetes.io\/psp: 00-k0s-privileged\nseccomp.security.alpha.kubernetes.io\/pod: localhost\/no-statx.json\nStatus: Running\n(\u7565)\nvagrant@master:~$ k0s kubectl exec -it nginx -- bash\nroot@nginx:\/# ls -l\nls: cannot access &#039;tmp&#039;: Operation not permitted\nls: cannot access &#039;lib64&#039;: Operation not permitted\nls: cannot access &#039;media&#039;: Operation not permitted\nls: cannot access &#039;etc&#039;: Operation not permitted\nls: cannot access &#039;root&#039;: Operation not permitted\nls: cannot access &#039;opt&#039;: Operation not permitted\nls: cannot access &#039;srv&#039;: Operation not permitted\nls: cannot access &#039;bin&#039;: Operation not permitted\nls: cannot access &#039;dev&#039;: Operation not permitted\nls: cannot access &#039;sys&#039;: Operation not permitted\nls: cannot access &#039;mnt&#039;: Operation not permitted\nls: cannot access &#039;run&#039;: Operation not permitted\nls: cannot access &#039;lib&#039;: Operation not permitted\nls: cannot access &#039;proc&#039;: Operation not permitted\nls: cannot access &#039;home&#039;: Operation not permitted\nls: cannot access &#039;usr&#039;: Operation not permitted\nls: cannot access &#039;sbin&#039;: Operation not permitted\nls: cannot access &#039;boot&#039;: Operation not permitted\nls: cannot access &#039;var&#039;: Operation not permitted\nls: cannot access &#039;docker-entrypoint.d&#039;: Operation not permitted\nls: cannot access &#039;docker-entrypoint.sh&#039;: Operation not permitted\ntotal 0\nd????????? ? ? ? ? ? bin\nd????????? ? ? ? ? ? boot\nd????????? ? ? ? ? ? dev\nd????????? ? ? ? ? ? docker-entrypoint.d\n-????????? ? ? ? ? ? docker-entrypoint.sh\nd????????? ? ? ? ? ? etc\nd????????? ? ? ? ? ? home\nd????????? ? ? ? ? ? lib\nd????????? ? ? ? ? ? lib64\nd????????? ? ? ? ? ? media\nd????????? ? ? ? ? ? mnt\nd????????? ? ? ? ? ? opt\nd????????? ? ? ? ? ? proc\nd????????? ? ? ? ? ? root\nd????????? ? ? ? ? ? run\nd????????? ? ? ? ? ? sbin\nd????????? ? ? ? ? ? srv\nd????????? ? ? ? ? ? sys\nd????????? ? ? ? ? ? tmp\nd????????? ? ? ? ? ? usr\nd????????? ? ? ? ? ? var\nroot@nginx:\/#\n<\/pre>\n<p>\u60f3\u5b9a\u901a\u308a\u3001statx\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u7981\u6b62\u3055\u308c\u305f\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\u304c\u53d6\u5f97\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u5ff5\u306e\u305f\u3081\u78ba\u8a8d\u3068\u3057\u3066\u3001\u540c\u3058Seccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u9069\u7528\u3057\u3066\u3001statx\u3067\u306f\u306a\u304flstat\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u5229\u7528\u3059\u308bls\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u308b\u304b\u3082\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\">\napiVersion: v1\nkind: Pod\nmetadata:\nname: nginx\nspec:\nsecurityContext:\nseccompProfile:\ntype: Localhost\nlocalhostProfile: no-statx.json\ncontainers:\n- name: nginx\nimage: nginx:1.20.1\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">\nvagrant@master:~$ k0s kubectl apply -f nginx-old-with-no-statx.yaml\npod\/nginx created\nvagrant@master:~$ k0s kubectl exec -it nginx -- bash\nroot@nginx:\/# ls -l\ntotal 80\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 bin\ndrwxr-xr-x 2 root root 4096 Oct 3 09:00 boot\ndrwxr-xr-x 5 root root 360 Nov 30 04:02 dev\ndrwxr-xr-x 1 root root 4096 Oct 12 02:04 docker-entrypoint.d\n-rwxrwxr-x 1 root root 1202 Oct 12 02:04 docker-entrypoint.sh\ndrwxr-xr-x 1 root root 4096 Nov 30 04:02 etc\ndrwxr-xr-x 2 root root 4096 Oct 3 09:00 home\ndrwxr-xr-x 1 root root 4096 Oct 12 02:04 lib\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 lib64\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 media\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 mnt\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 opt\ndr-xr-xr-x 133 root root 0 Nov 30 04:02 proc\ndrwx------ 2 root root 4096 Oct 11 00:00 root\ndrwxr-xr-x 1 root root 4096 Nov 30 04:02 run\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 sbin\ndrwxr-xr-x 2 root root 4096 Oct 11 00:00 srv\ndr-xr-xr-x 13 root root 0 Nov 30 02:48 sys\ndrwxrwxrwt 1 root root 4096 Oct 12 02:04 tmp\ndrwxr-xr-x 1 root root 4096 Oct 11 00:00 usr\ndrwxr-xr-x 1 root root 4096 Oct 11 00:00 var\nroot@nginx:\/#\n<\/pre>\n<p>\u60f3\u5b9a\u901a\u308a\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u672c\u7a3f\u3067\u306fk0s\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fKubernetes\u306b\u3001Seccomp\u3092\u6709\u52b9\u306b\u3057\u305fPod\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\nSeccomp\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u4e07\u304c\u4e00\u30b3\u30f3\u30c6\u30ca\u3092\u4e57\u3063\u53d6\u3089\u308c\u305f\u5834\u5408\u3067\u3082\u5371\u967a\u306a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u5b9f\u884c\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u5b89\u5168\u6027\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<br \/>\n\u30bb\u30ad\u30e5\u30a2\u306a\u30b3\u30f3\u30c6\u30ca\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u662f\u975e\u304a\u305f\u3081\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>k0s\u3068\u306f\u3001\u8efd\u91cf\u304b\u3064\u4f7f\u3044\u3084\u3059\u3044\u3001100%\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001 \u30d5\u30eb\u6a5f\u80fd\u306eKubernetes\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u3092\u5358\u4e00\u30d0\u30a4\u30ca\u30ea\u306b\u540c\u68b1 k0s\u7279\u6709\u306e\u6539\u5909 [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":41227,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[31,122,540],"tags":[],"class_list":["post-47055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-higuchi","category-kubernetes","category-mirantis"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>k0s\u3067Seccomp\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #k0s #mirantis #kubernetes #k8s #seccomp - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"d-higuchi, Kubernetes, Mirantis |k0s\u3068\u306f\u3001\u8efd\u91cf\u304b\u3064\u4f7f\u3044\u3084\u3059\u3044\u3001100%\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/kubernetes\/47055\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"k0s\u3067Seccomp\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #k0s #mirantis #kubernetes #k8s #seccomp - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"d-higuchi, Kubernetes, Mirantis |k0s\u3068\u306f\u3001\u8efd\u91cf\u304b\u3064\u4f7f\u3044\u3084\u3059\u3044\u3001100%\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/kubernetes\/47055\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-10T02:00:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-29T06:23:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/03\/k0s-blog-image-768x576-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Daisuke Higuchi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@creationline\" \/>\n<meta name=\"twitter:site\" content=\"@creationline\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daisuke Higuchi\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055\"},\"author\":{\"name\":\"Daisuke Higuchi\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/#\\\/schema\\\/person\\\/16f1373831fb6fd17387f16ae1195206\"},\"headline\":\"k0s\u3067Seccomp\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #k0s #mirantis #kubernetes #k8s #seccomp\",\"datePublished\":\"2021-12-10T02:00:19+00:00\",\"dateModified\":\"2023-08-29T06:23:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055\"},\"wordCount\":1025,\"image\":{\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cms_x3GWkuX\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/k0s-blog-image-768x576-1.png\",\"articleSection\":[\"d-higuchi\",\"Kubernetes\",\"Mirantis\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055\",\"url\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/kubernetes\\\/47055\",\"name\":\"k0s\u3067Seccomp\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #k0s #mirantis #kubernetes #k8s #seccomp - Tech 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