[Varnish] #1364: Assert error in mgt_sigsegv_handler(), mgt/mgt_child.c line 328

[Varnish]

#1364: Assert error in mgt_sigsegv_handler(), mgt/mgt_child.c line 328
----------------------+--------------------
 Reporter:  lkarsten  |       Owner:
     Type:  defect    |      Status:  new
 Priority:  normal    |   Milestone:
Component:  varnishd  |     Version:  trunk
 Severity:  normal    |  Resolution:
 Keywords:            |
----------------------+--------------------

Comment (by lkarsten):

 Here is another one of these from last night's run. Looks similar:

 {{{
 Panic message: Assert error in mgt_sigsegv_handler(), mgt/mgt_child.c line
 329:
   Condition(Segmentation fault by instruction at 0x7fd0a00af1cf) not true.
 thread = (c
 ache-worker)
 ident = Linux,3.2.0-51-generic,x86_64,-smalloc,-smalloc,-hcritbit,epoll
 Backtrace:
   0x43845c: sess_close_2str+1109
   0x43876d: sess_close_2str+141a
   0x45a389: MGT_close_sockets+1fc
   0x7fd0d6
 ecbcb0: _end+7fd0d682c4c0
   0x7fd0d6c0fb22: _end+7fd0d6570332
   0x7fd0d7e62067: _end+7fd0d77c2877
   0x448e1e: VRT_IP_string+d4
   0x7fd0cc5ac69c: _end+7fd0cbf0ceac
   0x446625: VCL_Poll+8ef
   0x4467b4: VCL_re
 cv_method+122
 req = 0x7fd0a0090a90 {
   sp = 0x7fd0a4001c00, vxid = 1073741826,  step = R_STP_RECV,
   req_body = R_BODY_NONE,
   restarts = 0, esi_level = 0
   sp = 0x7fd0a4001c00 {
     fd = 12, vxid = 1,

    client = 194.31.39.161 47799,
     step = S_STP_WORKING,
   },
   worker = 0x7fd0bc54bc60 {
     ws = 0x7fd0bc54be60 {
       id = "wrk",
       {s,f,r,e} = {0x7fd0bc54b410,0x7fd0bc54b410,(nil),+2048},
     },
   VCL::method = RECV,
   VCL::return = abandon,
   },
   ws = 0x7fd0a0090c10 {
     id = "req",
     {s,f,r,e} = {0x7fd0a0092268,+232,+59432,+59432},
   },
   http[req] = {
     ws = 0x7fd0a0090c10[req]
       "GET",
       "/cacheabledata/set_imagehosting1/8/image12088.jpg",
       "HTTP/1.1",
       "Host: fryer1.varnish-software.com:6081",
       "Accept: */*",
       "Accept-Encoding: gzip",
       "User-Agent: Mozilla/5.0 (unknown-x86_64-linux-gnu) Siege/3.0.4",
       "Connection: keep-alive",
   },
   vcl = {
     srcname = {
       "input",
       "Default",
     },
   },
 },

 }}}

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1364#comment:1>
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