Comment 4 for bug 321246

Backtrace from provided core file:

(gdb) bt full
#0 0x0072f416 in __kernel_vsyscall ()
No symbol table info available.
#1 0x0081e7c1 in ?? ()
No symbol table info available.
#2 0x00820092 in ?? ()
No symbol table info available.
#3 0x008178ee in ?? ()
No symbol table info available.
#4 0x08146f42 in dcpp::ClientManager::findLegacyUser (this=0x84c41f8,
    aNick=@0xb0ffe160) at dcpp/ClientManager.cpp:186
 l = {cs = @0x84c4244}
 __PRETTY_FUNCTION__ = "dcpp::UserPtr dcpp::ClientManager::findLegacyUser(const std::string&) const"
#5 0x081cc2ed in dcpp::SearchManager::onData (this=0x84c4088,
    buf=0xb1a013d8 "$SR ������� �������\\Photoshop_CS3_Rus_Portable-�������\\PS\\Presets\\Zoomify\\Zoomify Viewer with Navigator (Gray Background).zvt\0051799 0/5\005TTH:R4JZ3FOWDYTG6EEC3QJKRU646B3EPPYM5NMAZ6Q (88.147.128.10 :411)|"...,
    aLen=200, remoteIp=@0xb0ffe248) at dcpp/SearchManager.cpp:228
 i = 180
 cnt = 2
 file = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
    _M_p = 0x9f5248b4 "\\Photoshop_CS3_Rus_Portable-\\PS\\Presets\\Zoomify\\Zoomify Viewer with Navigator (Gray Background).zvt"}}
 freeSlots = 0
 slots = 5
 hubIpPort = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9f52346c "88.147.128.10 :411"}}
 j = 198
 size = 1799
 type = dcpp::SearchResult::TYPE_FILE
 url = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x37ee9c ""}}
 nick = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9f522f7c ""}}
 hubName = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
    _M_p = 0x9f524494 "TTH:R4JZ3FOWDYTG6EEC3QJKRU646B3EPPYM5NMAZ6Q"}}
 encoding = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x84bcc5c "UTF-8"}}
 user = {p_ = 0x0}
 tth = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xb0ffeb40 "95.84.13.234"}}
 sr = {p_ = 0x9f52341c}
 x = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
    _M_p = 0x9f52469c "$SR ������� �������\\Photoshop_CS3_Rus_Portable-�������\\PS\\Presets\\Zoomify\\Zoomify Viewer with Navigator (Gray Background).zvt\0051799 0/5\005TTH:R4JZ3FOWDYTG6EEC3QJKRU646B3EPPYM5NMAZ6Q (88.147.128.10 :411)|"}}
#6 0x081cb65a in dcpp::SearchManager::run (this=0x84c4088)
    at dcpp/SearchManager.cpp:114
 failed = false
 buf = {
  ptr = 0xb1a013d8 "$SR ������� �������\\Photoshop_CS3_Rus_Portable-�������\\PS\\Presets\\Zoomify\\Zoomify Viewer with Navigator (Gray Background).zvt\0051799 0/5\005TTH:R4JZ3FOWDYTG6EEC3QJKRU646B3EPPYM5NMAZ6Q (88.147.128.10 :411)|"...}
 len = 200
 remoteAddr = {static npos = 4294967295,
  _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9f52341c "95.84.13.234"}}
#7 0x081fb765 in dcpp::Thread::starter (p=0x84c40c4) at dcpp/Thread.h:140
 t = (dcpp::Thread *) 0x84c40c4
#8 0x0099c935 in ?? ()
No symbol table info available.
#9 0x008d194e in ?? ()
No symbol table info available.