{"action":"created","issue":{"url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/2136","repository_url":"https://api.github.com/repos/varnishcache/varnish-cache","labels_url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/2136/labels{/name}","comments_url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/2136/comments","events_url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/2136/events","html_url":"https://github.com/varnishcache/varnish-cache/issues/2136","id":189444888,"number":2136,"title":"cache-worker child panic on FreeBSD","user":{"login":"michbsd","id":8202334,"avatar_url":"https://avatars.githubusercontent.com/u/8202334?v=3","gravatar_id":"","url":"https://api.github.com/users/michbsd","html_url":"https://github.com/michbsd","followers_url":"https://api.github.com/users/michbsd/followers","following_url":"https://api.github.com/users/michbsd/following{/other_user}","gists_url":"https://api.github.com/users/michbsd/gists{/gist_id}","starred_url":"https://api.github.com/users/michbsd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/michbsd/subscriptions","organizations_url":"https://api.github.com/users/michbsd/orgs","repos_url":"https://api.github.com/users/michbsd/repos","events_url":"https://api.github.com/users/michbsd/events{/privacy}","received_events_url":"https://api.github.com/users/michbsd/received_events","type":"User","site_admin":false},"labels":[{"id":381506446,"url":"https://api.github.com/repos/varnishcache/varnish-cache/labels/backport-review-4.1","name":"backport-review-4.1","color":"fbca04","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":14,"created_at":"2016-11-15T16:46:48Z","updated_at":"2016-11-18T14:13:58Z","closed_at":"2016-11-15T20:34:36Z","body":"After updating Varnish from 4.1.3 to 5.0.0 on FreeBSD 10.0-REL - I see the following child panics  at random in my syslog:\r\n\r\n```\r\nNov 15 17:26:52 nsXXXXXX kernel: pid 87426 (varnishd), uid 429: exited on signal 6\r\nNov 15 17:26:53 nsXXXXXX varnishd[85454]: Child (87426) died signal=6\r\nNov 15 17:26:53 nsXXXXXX varnishd[85454]: Child (87426) Panic at: Tue, 15 Nov 2016 16:26:53 GMT \"Assert error in child_sigsegv_handler(), mgt/mgt_child.c line 285:   Condition(Segmentation fault by instruction at 0x1) not true.\r\nthread = (cache-worker)\r\nversion = varnish-5.0.0 revision 99d036f\r\nident = FreeBSD,10.0-RELEASE-p2,amd64,-junix,-smalloc,-smalloc,-hclassic,kqueue\r\nBacktrace:\r\n   0x4347c9: varnishd\r\n   0x45dd74: varnishd\r\n   0x8019bb3f6: libthr.so.3\r\n   0x8019baff3: libthr.so.3\r\n req = 0x80c714020 {\r\n   vxid = 491528,\r\n transport = HTTP/1 {\r\n     state = HTTP1::Proc\r\n   }\r\n   step = R_STP_RECV,\r\n   req_body = R_BODY_CACHED,\r\n   restarts = 0,\r\n esi_level = 0,\r\n   sp = 0x81142c220 {\r\n     fd = 67,\r\n vxid = 720897,\r\n     t_open = 1479227207.636993,\r\n     t_idle = 1479227212.624129,\r\n     transport = HTTP/1 {\r\n       state = HTTP1::Proc\r\n     }\r\n client = 172.31.255.248 9726,\r\n   },\r\n   worker = 0x7ffffe09cd08 {\r\n     stack = {0x7ffffe09d000 -> 0x7ffffe091000},\r\n     ws = 0x7ffffe09cec8 {\r\n       id = \\\"wrk\\\",\r\n       {s, f, r, e} = {0x7ffffe09c4e0, 0x7ffffe09c4e0, 0\r\nNov 15 17:26:53 ns327570 kernel: e09c4e0, 0\r\nNov 15 17:26:53 ns327570 kernel: e09c4e0, 0\r\n```\r\n\r\n@bsdphk urged me to open a new ticket.\r\n\r\nI am using Varnish with the following vmods:\r\ndigest, throttle, VSF and GeoIP\r\n\r\nPlease let me know what else you require in order to debug.\r\n\r\nThanks,\r\n"},"comment":{"url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/comments/261540788","html_url":"https://github.com/varnishcache/varnish-cache/issues/2136#issuecomment-261540788","issue_url":"https://api.github.com/repos/varnishcache/varnish-cache/issues/2136","id":261540788,"user":{"login":"hermunn","id":17638537,"avatar_url":"https://avatars.githubusercontent.com/u/17638537?v=3","gravatar_id":"","url":"https://api.github.com/users/hermunn","html_url":"https://github.com/hermunn","followers_url":"https://api.github.com/users/hermunn/followers","following_url":"https://api.github.com/users/hermunn/following{/other_user}","gists_url":"https://api.github.com/users/hermunn/gists{/gist_id}","starred_url":"https://api.github.com/users/hermunn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hermunn/subscriptions","organizations_url":"https://api.github.com/users/hermunn/orgs","repos_url":"https://api.github.com/users/hermunn/repos","events_url":"https://api.github.com/users/hermunn/events{/privacy}","received_events_url":"https://api.github.com/users/hermunn/received_events","type":"User","site_admin":false},"created_at":"2016-11-18T14:13:58Z","updated_at":"2016-11-18T14:13:58Z","body":"Backport review: Nothing commited - nothing to backport. (The problem seems to be in Varnish Security Firewall.)"}}
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