seg fault using cache inspector

segfault using cache inspector in reverse proxy mode:

enable cache inspector:
CONFIG proxy.config.http_ui_enabled INT 1

remap.config
map / http://

browse to http://localhost
observe segfault:

backtrace:
(gdb) bt
#0 0x00007fff88b4cfe6 in __kill ()
#1 0x00007fff88bede32 in abort ()
#2 0x00007fff88b05155 in free ()
#3 0x0000000100011ef6 in xfree [inlined] () at /Users/ericb/Documents/trafficserver/traffic/trunk/libinktomi++/ink_resource.h:89
#4 0x0000000100011ef6 in IOBufferData::dealloc () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:335
#5 0x0000000100011ef6 in IOBufferData::free (this=0x106d53570) at ink_resource.h:346
#6 0x0000000100011bac in IOBufferBlock::free (this=0x106d51b40) at Ptr.h:390
#7 0x0000000100011b52 in IOBufferBlock::clear () at P_IOBuffer.h:443
#8 0x0000000100011b52 in IOBufferBlock::dealloc () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:472
#9 0x0000000100011b52 in IOBufferBlock::free (this=0x106d51b80) at P_IOBuffer.h:478
#10 0x00000001000030d6 in Ptr<IOBufferBlock>::operator= (this=0x106d6e648, p=<value temporarily unavailable, due to optimizations>) at Ptr.h:390
#11 0x000000010011b3d9 in IOBufferReader::clear () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:690
#12 0x000000010011b3d9 in MIOBuffer::dealloc_reader () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:1127
#13 0x000000010011b3d9 in MIOBuffer::dealloc_all_readers () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:1147
#14 0x000000010011b3d9 in free_MIOBuffer [inlined] () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/P_IOBuffer.h:783
#15 0x000000010011b3d9 in HttpTunnel::deallocate_buffers (this=0x10821ef08) at P_IOBuffer.h:544
#16 0x00000001000db36a in HttpSM::kill_this (this=0x10821d570) at HttpSM.cc:6794
#17 0x00000001000dbb7b in HttpSM::main_handler (this=0x10821d570, event=2301, data=0x10821ef08) at HttpSM.cc:2698
#18 0x000000010011ce9f in Continuation::handleEvent () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/I_Continuation.h:1496
#19 0x000000010011ce9f in HttpTunnel::main_handler (this=0x10821ef08, event=<value temporarily unavailable, due to optimizations>, data=<value temporarily unavailable, due to optimizations>) at HttpTunnel.cc:1496
#20 0x000000010026d9f2 in write_signal_and_update [inlined] () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/net/UnixNetVConnection.cc:159
#21 0x000000010026d9f2 in write_signal_done [inlined] () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/net/UnixNetVConnection.cc:186
#22 0x000000010026d9f2 in write_to_net_io (nh=0x100e85098, vc=0x10201e9b0, thread=<value temporarily unavailable, due to optimizations>) at UnixNetVConnection.cc:501
#23 0x00000001002616ab in NetHandler::mainNetEvent (this=0x100e85098, event=<value temporarily unavailable, due to optimizations>, e=<value temporarily unavailable, due to optimizations>) at UnixNet.cc:482
#24 0x00000001002860a1 in MutexTryLock::release () at /Users/ericb/Documents/trafficserver/traffic/trunk/iocore/eventsystem/I_Lock.h:132
#25 0x00000001002860a1 in EThread::process_event (this=0x100e84000, e=0x1011127c0, calling_code=5) at UnixEThread.cc:135
#26 0x00000001002868e9 in EThread::execute (this=0x100e84000) at UnixEThread.cc:254
#27 0x0000000100068f68 in main (argc=<value temporarily unavailable, due to optimizations>, argv=<value temporarily unavailable, due to optimizations>) at Main.cc:2134