Assistnat crashes in Digia-generated Ubuntu binary installer

qt@ubuntu12:~/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64$ bin/assistant 
*** glibc detected *** bin/assistant: realloc(): invalid pointer: 0x00007fe0e5554320 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7e626)[0x7fe0e471f626]
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x2de)[0x7fe0e47243ee]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(_ZN9QListData7reallocEi+0x26)[0x7fe0e501c6b6]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(_ZN9QListData7prependEv+0x82)[0x7fe0e501c872]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(_ZN10QTextCodecC1Ev+0x8d)[0x7fe0e51bc31d]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x24bfb9)[0x7fe0e51bffb9]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x24c40d)[0x7fe0e51c040d]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(_ZNK7QString11toLocal8BitEv+0x19)[0x7fe0e5049d19]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x78f12)[0x7fe0e4fecf12]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(_Z17qt_message_output9QtMsgTypeRK18QMessageLogContextRK7QString+0x40)[0x7fe0e4feb160]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x7732f)[0x7fe0e4feb32f]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x774c2)[0x7fe0e4feb4c2]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtCore.so.5(+0x20c77a)[0x7fe0e518077a]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtGui.so.5(+0x2caa9d)[0x7fe0e5834a9d]
/home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/../lib/libQtGui.so.5(+0x9fb99)[0x7fe0e5609b99]
/lib64/ld-linux-x86-64.so.2(+0xf306)[0x7fe0e8b97306]
/lib64/ld-linux-x86-64.so.2(+0xf3df)[0x7fe0e8b973df]
/lib64/ld-linux-x86-64.so.2(+0x16ea)[0x7fe0e8b896ea]
======= Memory map: ========
00400000-004f9000 r-xp 00000000 08:01 97346                              /home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/assistant
006f8000-006fe000 r--p 000f8000 08:01 97346                              /home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/assistant
006fe000-00701000 rw-p 000fe000 08:01 97346                              /home/qt/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64/bin/assistant
01652000-01673000 rw-p 00000000 00:00 0                                  [heap]
7fe0db314000-7fe0db319000 r-xp 00000000 08:01 272563                     /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fe0db319000-7fe0db518000 ---p 00005000 08:01 272563                     /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fe0db518000-7fe0db519000 r--p 00004000 08:01 272563                     /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fe0db519000-7fe0db51a000 rw-p 00005000 08:01 272563                     /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fe0db51a000-7fe0db51e000 r-xp 00000000 08:01 137930                     /lib/x86_64-linux-gnu/libuuid.so.1.3.0
7fe0db51e000-7fe0db71d000 ---p 00004000 08:01 137930                     /lib/x86_64-linux-gnu/libuuid.so.1.3.0                                 
7fe0db71d000-7fe0db71e000 r--p 00003000 08:01 137930                     /lib/x86_64-linux-gnu/libuuid.so.1.3.0                                 
7fe0db71e000-7fe0db71f000 rw-p 00004000 08:01 137930                     /lib/x86_64-linux-gnu/libuuid.so.1.3.0                                 
7fe0db71f000-7fe0db721000 r-xp 00000000 08:01 272552                     /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0                              
7fe0db721000-7fe0db920000 ---p 00002000 08:01 272552                     /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0                              
7fe0db920000-7fe0db921000 r--p 00001000 08:01 272552                     /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0                              
7fe0db921000-7fe0db922000 rw-p 00002000 08:01 272552                     /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0                              
7fe0db922000-7fe0db981000 r-xp 00000000 08:01 272587                     /usr/lib/x86_64-linux-gnu/libXt.so.6.0.0
7fe0db981000-7fe0dbb81000 ---p 0005f000 08:01 272587                     /usr/lib/x86_64-linux-gnu/libXt.so.6.0.0
7fe0dbb81000-7fe0dbb82000 r--p 0005f000 08:01 272587                     /usr/lib/x86_64-linux-gnu/libXt.so.6.0.0
7fe0dbb82000-7fe0dbb87000 rw-p 00060000 08:01 272587                     /usr/lib/x86_64-linux-gnu/libXt.so.6.0.0
7fe0dbb87000-7fe0dbb88000 rw-p 00000000 00:00 0 
7fe0dbb88000-7fe0dbbaf000 r-xp 00000000 08:01 137841                     /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7fe0dbbaf000-7fe0dbdaf000 ---p 00027000 08:01 137841                     /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7fe0dbdaf000-7fe0dbdb1000 r--p 00027000 08:01 137841                     /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7fe0dbdb1000-7fe0dbdb2000 rw-p 00029000 08:01 137841                     /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7fe0dbdb2000-7fe0dcf21000 r-xp 00000000 08:01 266702                     /usr/lib/libicudata.so.48.1.1
7fe0dcf21000-7fe0dd120000 ---p 0116f000 08:01 266702                     /usr/lib/libicudata.so.48.1.1
7fe0dd120000-7fe0dd121000 r--p 0116e000 08:01 266702                     /usr/lib/libicudata.so.48.1.1
7fe0dd121000-7fe0dd122000 rw-p 0116f000 08:01 266702                     /usr/lib/libicudata.so.48.1.1
7fe0dd122000-7fe0dd12c000 r-xp 00000000 08:01 272711                     /usr/lib/x86_64-linux-gnu/libdrm.so.2.4.0
7fe0dd12c000-7fe0dd32b000 ---p 0000a000 08:01 272711                     /usr/lib/x86_64-linux-gnu/libdrm.so.2.4.0
7fe0dd32b000-7fe0dd32c000 r--p 00009000 08:01 272711                     /usr/lib/x86_64-linux-gnu/libdrm.so.2.4.0
7fe0dd32c000-7fe0dd32d000 rw-p 0000a000 08:01 272711                     /usr/lib/x86_64-linux-gnu/libdrm.so.2.4.0
7fe0dd32d000-7fe0dd331000 r-xp 00000000 08:01 272593                     /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1.0.0
7fe0dd331000-7fe0dd530000 ---p 00004000 08:01 272593                     /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1.0.0
7fe0dd530000-7fe0dd531000 r--p 00003000 08:01 272593                     /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1.0.0
7fe0dd531000-7fe0dd532000 rw-p 00004000 08:01 272593                     /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1.0.0
7fe0dd532000-7fe0dd547000 r-xp 00000000 08:01 273141                     /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0.0.0
7fe0dd547000-7fe0dd746000 ---p 00015000 08:01 273141                     /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0.0.0
7fe0dd746000-7fe0dd748000 r--p 00014000 08:01 273141                     /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0.0.0
7fe0dd748000-7fe0dd749000 rw-p 00016000 08:01 273141                     /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0.0.0
7fe0dd749000-7fe0dd74a000 r-xp 00000000 08:01 272548                     /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0
7fe0dd74a000-7fe0dd949000 ---p 00001000 08:01 272548                     /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0
7fe0dd949000-7fe0dd94a000 r--p 00000000 08:01 272548                     /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0
7fe0dd94a000-7fe0dd94b000 rw-p 00001000 08:01 272548                     /usr/lib/x86_64-linux-gnu/libX11-xcb.so.1.0.0
7fe0dd94b000-7fe0dd950000 r-xp 00000000 08:01 272567                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7fe0dd950000-7fe0ddb4f000 ---p 00005000 08:01 272567                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7fe0ddb4f000-7fe0ddb50000 r--p 00004000 08:01 272567                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7fe0ddb50000-7fe0ddb51000 rw-p 00005000 08:01 272567                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7fe0ddb51000-7fe0ddb53000 r-xp 00000000 08:01 272561                     /usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0
7fe0ddb53000-7fe0ddd52000 ---p 00002000 08:01 272561                     /usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0
7fe0ddd52000-7fe0ddd53000 r--p 00001000 08:01 272561                     /usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0
7fe0ddd53000-7fe0ddd54000 rw-p 00002000 08:01 272561                     /usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0
7fe0ddd54000-7fe0ddd75000 r-xp 00000000 08:01 263927                     /usr/lib/x86_64-linux-gnu/libglapi.so.0.0.0
7fe0ddd75000-7fe0ddf74000 ---p 00021000 08:01 263927                     /usr/lib/x86_64-linux-gnu/libglapi.so.0.0.0
7fe0ddf74000-7fe0ddf77000 r--p 00020000 08:01 263927                     /usr/lib/x86_64-linux-gnu/libglapi.so.0.0.0
7fe0ddf77000-7fe0ddf78000 rw-p 00023000 08:01 263927                     /usr/lib/x86_64-linux-gnu/libglapi.so.0.0.0
7fe0ddf78000-7fe0ddf79000 rw-p 00000000 00:00 0 
7fe0ddf79000-7fe0ddf96000 r-xp 00000000 08:01 273151                     /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0
7fe0ddf96000-7fe0de195000 ---p 0001d000 08:01 273151                     /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0
7fe0de195000-7fe0de196000 r--p 0001c000 08:01 273151                     /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0
7fe0de196000-7fe0de197000 rw-p 0001d000 08:01 273151                     /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0
7fe0de197000-7fe0de1a7000 r-xp 00000000 08:01 272565                     /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7fe0de1a7000-7fe0de3a6000 ---p 00010000 08:01 272565                     /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7fe0de3a6000-7fe0de3a7000 r--p 0000f000 08:01 272565                     /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7fe0de3a7000-7fe0de3a8000 rw-p 00010000 08:01 272565                     /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7fe0de3a8000-7fe0de3b6000 r-xp 00000000 08:01 272571                     /usr/lib/x86_64-linux-gnu/libXi.so.6.1.0
7fe0de3b6000-7fe0de5b5000 ---p 0000e000 08:01 272571                     /usr/lib/x86_64-linux-gnu/libXi.so.6.1.0
7fe0de5b5000-7fe0de5b6000 r--p 0000d000 08:01 272571                     /usr/lib/x86_64-linux-gnu/libXi.so.6.1.0
7fe0de5b6000-7fe0de5b7000 rw-p 0000e000 08:01 272571                     /usr/lib/x86_64-linux-gnu/libXi.so.6.1.0
7fe0de5b7000-7fe0de5cd000 r-xp 00000000 08:01 272503                     /usr/lib/x86_64-linux-gnu/libICE.so.6.3.0
7fe0de5cd000-7fe0de7cc000 ---p 00016000 08:01 272503                     /usr/lib/x86_64-linux-gnu/libICE.so.6.3.0
7fe0de7cc000-7fe0de7cd000 r--p 00015000 08:01 272503                     /usr/lib/x86_64-linux-gnu/libICE.so.6.3.0
7fe0de7cd000-7fe0de7ce000 rw-p 00016000 08:01 272503                     /usr/lib/x86_64-linux-gnu/libICE.so.6.3.0
7fe0de7ce000-7fe0de7d1000 rw-p 00000000 00:00 0 
7fe0de7d1000-7fe0de7d8000 r-xp 00000000 08:01 272546                     /usr/lib/x86_64-linux-gnu/libSM.so.6.0.1
7fe0de7d8000-7fe0de9d7000 ---p 00007000 08:01 272546                     /usr/lib/x86_64-linux-gnu/libSM.so.6.0.1
7fe0de9d7000-7fe0de9d8000 r--p 00006000 08:01 272546                     /usr/lib/x86_64-linux-gnu/libSM.so.6.0.1
7fe0de9d8000-7fe0de9d9000 rw-p 00007000 08:01 272546                     /usr/lib/x86_64-linux-gnu/libSM.so.6.0.1
7fe0de9d9000-7fe0dea6f000 r-xp 00000000 08:01 272745                     /usr/lib/x86_64-linux-gnu/libfreetype.so.6.8.0
7fe0dea6f000-7fe0dec6e000 ---p 00096000 08:01 272745                     /usr/lib/x86_64-linux-gnu/libfreetype.so.6.8.0
7fe0dec6e000-7fe0dec74000 r--p 00095000 08:01 272745                     /usr/lib/x86_64-linux-gnu/libfreetype.so.6.8.0
7fe0dec74000-7fe0dec75000 rw-p 0009b000 08:01 272745                     /usr/lib/x86_64-linux-gnu/libfreetype.so.6.8.0
7fe0dec75000-7fe0dec8c000 r-xp 00000000 08:01 272617                     /usr/lib/x86_64-linux-gnu/libaudio.so.2.4
7fe0dec8c000-7fe0dee8b000 ---p 00017000 08:01 272617                     /usr/lib/x86_64-linux-gnu/libaudio.so.2.4
7fe0dee8b000-7fe0dee8c000 r--p 00016000 08:01 272617                     /usr/lib/x86_64-linux-gnu/libaudio.so.2.4
7fe0dee8c000-7fe0dee8d000 rw-p 00017000 08:01 272617                     /usr/lib/x86_64-linux-gnu/libaudio.so.2.4
7fe0dee8d000-7fe0deec1000 r-xp 00000000 08:01 272739                     /usr/lib/x86_64-linux-gnu/libfontconfig.so.1.4.4
7fe0deec1000-7fe0df0c1000 ---p 00034000 08:01 272739                     /usr/lib/x86_64-linux-gnu/libfontconfig.so.1.4.4
7fe0df0c1000-7fe0df0c2000 r--p 00034000 08:01 272739                     /usr/lib/x86_64-linux-gnu/libfontconfig.so.1.4.4
7fe0df0c2000-7fe0df0c3000 rw-p 00035000 08:01 272739                     /usr/lib/x86_64-linux-gnu/libfontconfig.so.1.4.4
7fe0df0c3000-7fe0df0ff000 r-xp 00000000 08:01 137896                     /lib/x86_64-linux-gnu/libpcre.so.3.12.1
7fe0df0ff000-7fe0df2fe000 ---p 0003c000 08:01 137896                     /lib/x86_64-linux-gnu/libpcre.so.3.12.1
7fe0df2fe000-7fe0df2ff000 r--p 0003b000 08:01 137896                     /lib/x86_64-linux-gnu/libpcre.so.3.12.1
7fe0df2ff000-7fe0df300000 rw-p 0003c000 08:01 137896                     /lib/x86_64-linux-gnu/libpcre.so.3.12.1
7fe0df300000-7fe0df307000 r-xp 00000000 08:01 272737                     /usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
7fe0df307000-7fe0df506000 ---p 00007000 08:01 272737                     /usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
7fe0df506000-7fe0df507000 r--p 00006000 08:01 272737                     /usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
7fe0df507000-7fe0df508000 rw-p 00007000 08:01 272737                     /usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
7fe0df508000-7fe0df659000 r-xp 00000000 08:01 267068                     /usr/lib/x86_64-linux-gnu/libxml2.so.2.7.8
7fe0df659000-7fe0df858000 ---p 00151000 08:01 267068                     /usr/lib/x86_64-linux-gnu/libxml2.so.2.7.8
7fe0df858000-7fe0df860000 r--p 00150000 08:01 267068                     /usr/lib/x86_64-linux-gnu/libxml2.so.2.7.8
7fe0df860000-7fe0df862000 rw-p 00158000 08:01 267068                     /usr/lib/x86_64-linux-gnu/libxml2.so.2.7.8Aborted (core dumped)
qt@ubuntu12:~/Qt5.0.0beta1/Desktop/Qt/5.0.0-beta1/gcc_64$