squid が MemBuf.cc:280 で停止し size < capacity メッセージが表示される

Issue

• squid が MemBuf.cc:280 で停止し size < capacity メッセージが表示されます。

core dump:
(gdb) bt
#0  0x00007f76c36d48a5 in raise () from /lib64/libc.so.6
#1  0x00007f76c36d6085 in abort () from /lib64/libc.so.6
#2  0x00007f76c5f5a355 in xassert (msg=0x7f76c60cc3c7 "size < capacity", file=, line=280) at debug.cc:556
#3  0x00007f76c5fc0b86 in MemBuf::terminate (this=0x7f76c7d4ac68) at MemBuf.cc:280
#4  0x00007f76c5f9f72c in HttpStateData::readReply (this=0x7f76c7d4ab28, io=...) at http.cc:1081
#5  0x00007f76c5fa0f96 in JobDialer::dial (this=0x7f76c80ae9a0, call=...) at base/AsyncJobCalls.h:175
#6  0x00007f76c6010134 in AsyncCall::make (this=0x7f76c80ae970) at AsyncCall.cc:34
#7  0x00007f76c601275b in AsyncCallQueue::fireNext (this=) at AsyncCallQueue.cc:53
#8  0x00007f76c60128f0 in AsyncCallQueue::fire (this=0x7f76c7714b40) at AsyncCallQueue.cc:39
#9  0x00007f76c5f6f0a4 in EventLoop::runOnce (this=0x7fffbece8e00) at EventLoop.cc:130
#10 0x00007f76c5f6f178 in EventLoop::run (this=0x7fffbece8e00) at EventLoop.cc:94
#11 0x00007f76c5fbdbc5 in SquidMain (argc=, argv=) at main.cc:1418
#12 0x00007f76c5fbe193 in SquidMainSafe (argc=, argv=) at main.cc:1176
#13 main (argc=, argv=) at main.cc:1168