{"id":816,"date":"2018-09-11T07:55:48","date_gmt":"2018-09-11T07:55:48","guid":{"rendered":"http:\/\/www.selinuxplus.com\/?p=816"},"modified":"2018-09-11T07:56:25","modified_gmt":"2018-09-11T07:56:25","slug":"816","status":"publish","type":"post","link":"http:\/\/www.selinuxplus.com\/?p=816","title":{"rendered":"nf_conntrack module hangs at stop"},"content":{"rendered":"<p>0x01:<\/p>\n<pre class=\"lang:default decode:true \" >[ 6427.046157] INFO: Object 0xffff8807193b4500 @offset=1280\r\n[ 6427.048395] INFO: Object 0xffff8807193b4600 @offset=1536\r\n[ 6427.050652] INFO: Object 0xffff8807193b4900 @offset=2304\r\n[ 6427.052912] INFO: Object 0xffff8807193b4b00 @offset=2816\r\n[ 6427.055199] INFO: Object 0xffff8807193b4f00 @offset=3840\r\n[ 6427.057439] INFO: Object 0xffff8807193b5500 @offset=5376\r\n[ 6427.059795] kmem_cache_destroy kmalloc-256(81:75d3e24890255b229ca436ec14b01121bbc6c2b3ea43117c8cf922e318bd5b53): Slab cache still has objects\r\n[ 6427.064782] CPU: 5 PID: 15225 Comm: rmmod Tainted: P    B      OE  ------------ T 3.10.0-693.el7.1.x86_64 #1\r\n[ 6427.064786] Hardware name: Red Hat KVM, BIOS seabios-1.7.5-11.el7 04\/01\/2014\r\n[ 6427.064789]  ffff880786a6da00 00000000e7a220d2 ffff8800ae307e40 ffffffff816a3dc1\r\n[ 6427.064794]  ffff8800ae307e60 ffffffff811a6910 0000000000000051 ffff880786a6da00\r\n[ 6427.064798]  ffff8800ae307e88 ffffffff811f6009 ffff88017fc03700 ffffffff81b1caa0\r\n[ 6427.064803] Call Trace:\r\n[ 6427.064813]  [&lt;ffffffff816a3dc1&gt;] dump_stack+0x19\/0x1b\r\n[ 6427.064820]  [&lt;ffffffff811a6910&gt;] kmem_cache_destroy+0xe0\/0xf0\r\n[ 6427.064825]  [&lt;ffffffff811f6009&gt;] kmem_cache_destroy_memcg_children+0x89\/0xb0\r\n[ 6427.064829]  [&lt;ffffffff811a6849&gt;] kmem_cache_destroy+0x19\/0xf0\r\n[ 6427.064847]  [&lt;ffffffffc03399da&gt;] nf_conntrack_expect_fini+0x1a\/0x20 [nf_conntrack]\r\n[ 6427.064856]  [&lt;ffffffffc0337445&gt;] nf_conntrack_cleanup_end+0xc5\/0xd0 [nf_conntrack]\r\n[ 6427.064866]  [&lt;ffffffffc0341d0c&gt;] nf_conntrack_standalone_fini+0x26\/0x31a [nf_conntrack]\r\n[ 6427.064872]  [&lt;ffffffff810fe55b&gt;] SyS_delete_module+0x19b\/0x300\r\n[ 6427.064878]  [&lt;ffffffff816afa6a&gt;] ? do_async_page_fault+0x1a\/0xd0\r\n[ 6427.064883]  [&lt;ffffffff816b5009&gt;] system_call_fastpath+0x16\/0x1b\r\n[ 6428.586550] Ebtables v2.0 unregistered\r\n[ 6429.539199] ip6_tables: (C) 2000-2006 Netfilter Core Team\r\n[ 6429.708093] Ebtables v2.0 registered\r\n[ 6429.911806] nf_conntrack version 0.5.0 (65536 buckets, 262144 max)<\/pre>\n<p>0x02<br \/>\n3.10.0-693.el7.1.x86_64<br \/>\n0x03<br \/>\nOnly the workaround, i.e. setting CleanupOnExit=no in \/etc\/firewalld\/firewalld.conf resolves the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>0x01: [ 6427.046157] INFO&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[174],"_links":{"self":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/816"}],"collection":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=816"}],"version-history":[{"count":2,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions"}],"predecessor-version":[{"id":818,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions\/818"}],"wp:attachment":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=816"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}