*** Error in `/home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app': double free or corruption (!prev): 0x00007f5340003710 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x80a46)[0x7f536052ca46] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(_ZN7QStringaSERKS_+0x6f)[0x7f5360ebf9af] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(+0x2ca962)[0x7f5361058962] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(+0x2c2a22)[0x7f5361050a22] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(+0x2c31c3)[0x7f53610511c3] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(_ZNK14QFactoryLoader8instanceEi+0x2db)[0x7f5361048c4b] /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5(+0x16532)[0x7f53614d9532] /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5(_ZN12QSqlDatabase11addDatabaseERK7QStringS2_+0x19)[0x7f53614d9bf9] /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app[0x402c8f] /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app[0x405060] /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app[0x404f62] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(+0x99f83)[0x7f5360e27f83] /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5(+0x9d2a4)[0x7f5360e2b2a4] /lib/x86_64-linux-gnu/libpthread.so.0(+0x7f8e)[0x7f5360296f8e] /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f53605a6a0d] ======= Memory map: ======== 00400000-00407000 r-xp 00000000 fc:01 18635347 /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app 00607000-00608000 r--p 00007000 fc:01 18635347 /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app 00608000-00609000 rw-p 00008000 fc:01 18635347 /home/tester/work/by_name/build-test_app-Desktop_Qt_5_3_GCC_64bit-Debug/test_app 023a7000-023c8000 rw-p 00000000 00:00 0 [heap] 7f5330000000-7f5330021000 rw-p 00000000 00:00 0 7f5330021000-7f5334000000 ---p 00000000 00:00 0 7f5338000000-7f5338021000 rw-p 00000000 00:00 0 7f5338021000-7f533c000000 ---p 00000000 00:00 0 7f533c000000-7f533c021000 rw-p 00000000 00:00 0 7f533c021000-7f5340000000 ---p 00000000 00:00 0 7f5340000000-7f5340021000 rw-p 00000000 00:00 0 7f5340021000-7f5344000000 ---p 00000000 00:00 0 7f5344000000-7f5344021000 rw-p 00000000 00:00 0 7f5344021000-7f5348000000 ---p 00000000 00:00 0 7f5348000000-7f5348021000 rw-p 00000000 00:00 0 7f5348021000-7f534c000000 ---p 00000000 00:00 0 7f534c000000-7f534c021000 rw-p 00000000 00:00 0 7f534c021000-7f5350000000 ---p 00000000 00:00 0 7f53537ff000-7f5353800000 ---p 00000000 00:00 0 7f5353800000-7f5354000000 rw-p 00000000 00:00 0 [stack:19446] 7f5354000000-7f5354021000 rw-p 00000000 00:00 0 7f5354021000-7f5358000000 ---p 00000000 00:00 0 7f5358fdd000-7f5359096000 r-xp 00000000 fc:01 14178757 /home/tester/Qt/5.3/gcc_64/plugins/sqldrivers/libqsqlite.so 7f5359096000-7f5359295000 ---p 000b9000 fc:01 14178757 /home/tester/Qt/5.3/gcc_64/plugins/sqldrivers/libqsqlite.so 7f5359295000-7f5359297000 r--p 000b8000 fc:01 14178757 /home/tester/Qt/5.3/gcc_64/plugins/sqldrivers/libqsqlite.so 7f5359297000-7f535929a000 rw-p 000ba000 fc:01 14178757 /home/tester/Qt/5.3/gcc_64/plugins/sqldrivers/libqsqlite.so 7f535929a000-7f535929b000 ---p 00000000 00:00 0 7f535929b000-7f5359a9b000 rw-p 00000000 00:00 0 [stack:19451] 7f5359a9b000-7f5359a9c000 ---p 00000000 00:00 0 7f5359a9c000-7f535a29c000 rw-p 00000000 00:00 0 [stack:19450] 7f535a29c000-7f535a29d000 ---p 00000000 00:00 0 7f535a29d000-7f535aa9d000 rw-p 00000000 00:00 0 [stack:19449] 7f535aa9d000-7f535aa9e000 ---p 00000000 00:00 0 7f535aa9e000-7f535b29e000 rw-p 00000000 00:00 0 [stack:19448] 7f535b29e000-7f535b29f000 ---p 00000000 00:00 0 7f535b29f000-7f535ba9f000 rw-p 00000000 00:00 0 [stack:19447] 7f535ba9f000-7f535baa0000 ---p 00000000 00:00 0 7f535baa0000-7f535c2a0000 rw-p 00000000 00:00 0 [stack:19445] 7f535c2a0000-7f535c2a1000 ---p 00000000 00:00 0 7f535c2a1000-7f535caa1000 rw-p 00000000 00:00 0 [stack:19444] 7f535caa1000-7f535d422000 r--p 00000000 fc:01 15865797 /usr/lib/locale/locale-archive 7f535d422000-7f535d45f000 r-xp 00000000 fc:01 29232842 /lib/x86_64-linux-gnu/libpcre.so.3.13.1 7f535d45f000-7f535d65f000 ---p 0003d000 fc:01 29232842 /lib/x86_64-linux-gnu/libpcre.so.3.13.1 7f535d65f000-7f535d660000 r--p 0003d000 fc:01 29232842 /lib/x86_64-linux-gnu/libpcre.so.3.13.1 7f535d660000-7f535d661000 rw-p 0003e000 fc:01 29232842 /lib/x86_64-linux-gnu/libpcre.so.3.13.1 7f535d661000-7f535eccc000 r--p 00000000 fc:01 29886922 /home/tester/Qt/5.3/gcc_64/lib/libicudata.so.52.1 7f535eccc000-7f535eecb000 ---p 0166b000 fc:01 29886922 /home/tester/Qt/5.3/gcc_64/lib/libicudata.so.52.1 7f535eecb000-7f535eecc000 rw-p 0166a000 fc:01 29886922 /home/tester/Qt/5.3/gcc_64/lib/libicudata.so.52.1 7f535eecc000-7f535efcf000 r-xp 00000000 fc:01 29233016 /lib/x86_64-linux-gnu/libm-2.17.so 7f535efcf000-7f535f1cf000 ---p 00103000 fc:01 29233016 /lib/x86_64-linux-gnu/libm-2.17.so 7f535f1cf000-7f535f1d0000 r--p 00103000 fc:01 29233016 /lib/x86_64-linux-gnu/libm-2.17.so 7f535f1d0000-7f535f1d1000 rw-p 00104000 fc:01 29233016 /lib/x86_64-linux-gnu/libm-2.17.so 7f535f1d1000-7f535f2d7000 r-xp 00000000 fc:01 29229091 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0 7f535f2d7000-7f535f4d6000 ---p 00106000 fc:01 29229091 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0 7f535f4d6000-7f535f4d7000 r--p 00105000 fc:01 29229091 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0 7f535f4d7000-7f535f4d8000 rw-p 00106000 fc:01 29229091 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0 7f535f4d8000-7f535f4d9000 rw-p 00000000 00:00 0 7f535f4d9000-7f535f4e0000 r-xp 00000000 fc:01 29233011 /lib/x86_64-linux-gnu/librt-2.17.so 7f535f4e0000-7f535f6df000 ---p 00007000 fc:01 29233011 /lib/x86_64-linux-gnu/librt-2.17.so 7f535f6df000-7f535f6e0000 r--p 00006000 fc:01 29233011 /lib/x86_64-linux-gnu/librt-2.17.so 7f535f6e0000-7f535f6e1000 rw-p 00007000 fc:01 29233011 /lib/x86_64-linux-gnu/librt-2.17.so 7f535f6e1000-7f535f6e2000 r-xp 00000000 fc:01 15860094 /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0.4000.0 7f535f6e2000-7f535f8e1000 ---p 00001000 fc:01 15860094 /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0.4000.0 7f535f8e1000-7f535f8e2000 r--p 00000000 fc:01 15860094 /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0.4000.0 7f535f8e2000-7f535f8e3000 rw-p 00001000 fc:01 15860094 /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0.4000.0 7f535f8e3000-7f535f8e6000 r-xp 00000000 fc:01 29233007 /lib/x86_64-linux-gnu/libdl-2.17.so 7f535f8e6000-7f535fae5000 ---p 00003000 fc:01 29233007 /lib/x86_64-linux-gnu/libdl-2.17.so 7f535fae5000-7f535fae6000 r--p 00002000 fc:01 29233007 /lib/x86_64-linux-gnu/libdl-2.17.so 7f535fae6000-7f535fae7000 rw-p 00003000 fc:01 29233007 /lib/x86_64-linux-gnu/libdl-2.17.so 7f535fae7000-7f535fc5a000 r-xp 00000000 fc:01 29887004 /home/tester/Qt/5.3/gcc_64/lib/libicuuc.so.52.1 7f535fc5a000-7f535fe59000 ---p 00173000 fc:01 29887004 /home/tester/Qt/5.3/gcc_64/lib/libicuuc.so.52.1 7f535fe59000-7f535fe6a000 r--p 00172000 fc:01 29887004 /home/tester/Qt/5.3/gcc_64/lib/libicuuc.so.52.1 7f535fe6a000-7f535fe6b000 rw-p 00183000 fc:01 29887004 /home/tester/Qt/5.3/gcc_64/lib/libicuuc.so.52.1 7f535fe6b000-7f535fe6f000 rw-p 00000000 00:00 0 7f535fe6f000-7f536007f000 r-xp 00000000 fc:01 29886923 /home/tester/Qt/5.3/gcc_64/lib/libicui18n.so.52.1 7f536007f000-7f536027f000 ---p 00210000 fc:01 29886923 /home/tester/Qt/5.3/gcc_64/lib/libicui18n.so.52.1 7f536027f000-7f536028c000 r--p 00210000 fc:01 29886923 /home/tester/Qt/5.3/gcc_64/lib/libicui18n.so.52.1 7f536028c000-7f536028e000 rw-p 0021d000 fc:01 29886923 /home/tester/Qt/5.3/gcc_64/lib/libicui18n.so.52.1 7f536028e000-7f536028f000 rw-p 00000000 00:00 0 7f536028f000-7f53602a7000 r-xp 00000000 fc:01 29233005 /lib/x86_64-linux-gnu/libpthread-2.17.so 7f53602a7000-7f53604a6000 ---p 00018000 fc:01 29233005 /lib/x86_64-linux-gnu/libpthread-2.17.so 7f53604a6000-7f53604a7000 r--p 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7f5360a8b000-7f5360b70000 r-xp 00000000 fc:01 15867395 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.17 7f5360b70000-7f5360d6f000 ---p 000e5000 fc:01 15867395 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.17 7f5360d6f000-7f5360d77000 r--p 000e4000 fc:01 15867395 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.17 7f5360d77000-7f5360d79000 rw-p 000ec000 fc:01 15867395 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.17 7f5360d79000-7f5360d8e000 rw-p 00000000 00:00 0 7f5360d8e000-7f536129f000 r-xp 00000000 fc:01 29898923 /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5.3.2 7f536129f000-7f536149e000 ---p 00511000 fc:01 29898923 /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5.3.2 7f536149e000-7f53614a8000 r--p 00510000 fc:01 29898923 /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5.3.2 7f53614a8000-7f53614c1000 rw-p 0051a000 fc:01 29898923 /home/tester/Qt/5.3/gcc_64/lib/libQt5Core.so.5.3.2 7f53614c1000-7f53614c3000 rw-p 00000000 00:00 0 7f53614c3000-7f5361501000 r-xp 00000000 fc:01 29898943 /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5.3.2 7f5361501000-7f5361701000 ---p 0003e000 fc:01 29898943 /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5.3.2 7f5361701000-7f5361703000 r--p 0003e000 fc:01 29898943 /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5.3.2 7f5361703000-7f5361704000 rw-p 00040000 fc:01 29898943 /home/tester/Qt/5.3/gcc_64/lib/libQt5Sql.so.5.3.2 7f5361704000-7f5361727000 r-xp 00000000 fc:01 29232998 /lib/x86_64-linux-gnu/ld-2.17.so 7f53618f7000-7f5361901000 rw-p 00000000 00:00 0 7f5361923000-7f5361926000 rw-p 00000000 00:00 0 7f5361926000-7f5361927000 r--p 00022000 fc:01 29232998 /lib/x86_64-linux-gnu/ld-2.17.so 7f5361927000-7f5361929000 rw-p 00023000 fc:01 29232998 /lib/x86_64-linux-gnu/ld-2.17.so 7fffa8d31000-7fffa8d52000 rw-p 00000000 00:00 0 [stack] 7fffa8db0000-7fffa8db2000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] The program has unexpectedly finished.