This is the report from the actual game crash:

Loading savegame xml (size 49465)
Loading savegame
...version: 4
...game version: 2.5-dev
...xml Size: 598144, compressed? y
Shutdown gametype 'Campaign mode'
ufo: src/common/mem.cpp:284: void _Mem_FreePool(memPool_t*, const char*, int): Assertion `pool->blockCount == 0' failed.
======start======
OS Info: Linux fedora.xxx.xxx 3.7.9-205.fc18.i686.PAE #1 SMP Sun Feb 24 20:58:16 UTC 2013 i686
Linux DEBUG, cpu: IA-32, version: 2.5-dev

Failed to open bfd from (�E��E��D�������D$�E��$������E��D$
�D)
0x8147eba : �E��E��D�������D$�E��$������E��D$
�D : unknown
Failed to open bfd from (������D)
0x8147967 : ������D : unknown
Failed to open bfd from (��U����▒�D$��$)
0x8147858 : ��U����▒�D$��$ : unknown
Failed to open bfd from (X�w)
0xb773e400 : X�w : unknown
Failed to open bfd from (]ZY�)
0xb773e424 : ]ZY� : unknown
Failed to open bfd from (��=)
0x4c988b7f : ��= : unknown
Failed to open bfd from (e)
0x4c98a4d3 : e : unknown
Failed to open bfd from (���8)
0x4c9818d7 : ���8 : unknown
Failed to open bfd from (f�f�f�f��VS��$)
0x4c981987 : f�f�f�f��VS��$ : unknown
Failed to open bfd from (�� @t ��t%�D$
�0�D)
0x80deea8 : �� @t ��t%�D$
�0�D : unknown
Failed to open bfd from (���)
0x8176739 : ��� : unknown
Failed to open bfd from (������)
0x8160dd2 : ������ : unknown
Failed to open bfd from (�$��X')
0x80888ea : �$��X' : unknown
Failed to open bfd from (�E��$�o)
0x8087220 : �E��$�o : unknown
Failed to open bfd from (�����8)
0x819a907 : �����8 : unknown
Failed to open bfd from (����tR������)
0x819bbc2 : ����tR������ : unknown
Failed to open bfd from (��)
0x80c7795 : �� : unknown
Failed to open bfd from (�`Z��t
�`Z)
0x80c645d : �`Z��t
�`Z : unknown
Failed to open bfd from (�0���轸)
0x805bbc7 : �0���轸 : unknown
Failed to open bfd from (��U����▒�)�@��t�)�@�$������Ʒ���▒����*})
0x805be76 : ��U����▒�)�@��t�)�@�$������Ʒ���▒����*} : unknown
Failed to open bfd from (�E��E��@�
�E؋U��T$�D$)
0x80d441c : �E��E��@�
�E؋U��T$�D$ : unknown
Failed to open bfd from (�E܉$�'����$p,�o)
0x80d4a0e : �E܉$�'����$p,�o : unknown
Failed to open bfd from (��f��U����(�D)
0x81460d3 : ��f��U����(�D : unknown
Failed to open bfd from (�$���)
0x4c973865 : �$��� : unknown
Failed to open bfd from (�f��$�f�f�f�f�f�f��W-T��wø)
0x804ff4d : �f��$�f�f�f�f�f�f��W-T��wø : unknown
Loaded libraries:
[0x0x-0x181108x] /lib/libpng15.so.15
[0x0x-0x353496x] /lib/libjpeg.so.62
[0x0x-0x86236x] /lib/libz.so.1
[0x0x-0x23580x] /lib/libSDL_ttf-2.0.so.0
[0x0x-0x658696x] /lib/libSDL-1.2.so.0
[0x0x-0x100323x] /lib/libpthread.so.0
[0x0x-0x318436x] /lib/libSDL_mixer-1.2.so.0
[0x0x-0x951744x] /usr/lib/nvidia/libGL.so.1
[0x0x-0x416556x] /lib/libcurl.so.4
[0x0x-0x222120x] /lib/libtheora.so.0
[0x0x-0x23204x] /lib/libogg.so.0
[0x0x-0x176780x] /lib/libvorbis.so.0
[0x0x-0x29471x] /lib/librt.so.1
[0x0x-0x10535x] /lib/libdl.so.2
[0x0x-0x996179x] /lib/libstdc++.so.6
[0x0x-0x257811x] /lib/libm.so.6
[0x0x-0x115324x] /lib/libgcc_s.so.1
[0x0x-0x1827071x] /lib/libc.so.6
[0x0x-0x668984x] /lib/libfreetype.so.6
[0x0x-0x130580x] /lib/ld-linux.so.2
[0x0x-0x10584x] /usr/lib/nvidia/tls/libnvidia-tls.so.304.64
[0x0x-0x32723240x] /usr/lib/nvidia/libnvidia-glcore.so.304.64
[0x0x-0x1292268x] /lib/libX11.so.6
[0x0x-0x69092x] /lib/libXext.so.6
[0x0x-0x204120x] /lib/libidn.so.11
[0x0x-0x55776x] /lib/liblber-2.4.so.2
[0x0x-0x332712x] /lib/libldap-2.4.so.2
[0x0x-0x269404x] /lib/libgssapi_krb5.so.2
[0x0x-0x949350x] /lib/libkrb5.so.3
[0x0x-0x173900x] /lib/libk5crypto.so.3
[0x0x-0x10185x] /lib/libcom_err.so.2
[0x3077378048x-0x3077615920x] /lib/libssl3.so
[0x3077201920x-0x3077382632x] /lib/libsmime3.so
[0x3075866624x-0x3077223732x] /lib/libnss3.so
[0x3075719168x-0x3075876308x] /lib/libnssutil3.so
[0x3075698688x-0x3075709156x] /lib/libplds4.so
[0x3075674112x-0x3075689532x] /lib/libplc4.so
[0x3075424256x-0x3075676112x] /lib/libnspr4.so
[0x0x-0x166080x] /lib/libssh2.so.1
[0x0x-0x134808x] /lib/libxcb.so.1
[0x0x-0x98627x] /lib/libresolv.so.2
[0x0x-0x104664x] /lib/libsasl2.so.2
[0x0x-0x40068x] /lib/libkrb5support.so.0
[0x0x-0x9660x] /lib/libkeyutils.so.1
[0x0x-0x390144x] /lib/libssl.so.10
[0x0x-0x1825732x] /lib/libcrypto.so.10
[0x0x-0x8400x] /lib/libXau.so.6
[0x0x-0x191943x] /lib/libcrypt.so.1
[0x0x-0x138117x] /lib/libselinux.so.1
[0x3075059712x-0x3075411244x] /lib/libfreebl3.so
[0x0x-0x402732x] /lib/libpcre.so.1
[0x0x-0x34472x] /lib/libXrender.so.1
[0x0x-0x35040x] /lib/libXrandr.so.2
[0x0x-0x38352x] /lib/libXcursor.so.1
[0x0x-0x16692x] /lib/libXfixes.so.3
[0x0x-0x12172x] /lib/libpulse-simple.so.0
[0x0x-0x322752x] /lib/libpulse.so.0
[0x0x-0x34360x] /lib/libjson.so.0
[0x0x-0x420480x] /usr/lib/pulseaudio/libpulsecommon-2.1.so
[0x0x-0x2520x] /lib/libX11-xcb.so.1
[0x0x-0x98992x] /lib/libICE.so.6
[0x0x-0x28868x] /lib/libSM.so.6
[0x0x-0x19136x] /lib/libXtst.so.6
[0x0x-0x34780x] /lib/libwrap.so.0
[0x0x-0x434504x] /lib/libsndfile.so.1
[0x0x-0x18768x] /lib/libasyncns.so.0
[0x0x-0x309208x] /lib/libdbus-1.so.3
[0x0x-0x14098x] /lib/libuuid.so.1
[0x0x-0x58052x] /lib/libXi.so.6
[0x0x-0x103327x] /lib/libnsl.so.1
[0x0x-0x44220x] /lib/libgsm.so.1
[0x0x-0x257836x] /lib/libFLAC.so.8
[0x0x-0x1600220x] /lib/libvorbisenc.so.2
[0x2865405952x-0x2865756888x] /lib/libmikmod.so.3
[0x0x-0x32168x] /lib/libvorbisfile.so.3
[0x3008319488x-0x3008366107x] /lib/libnss_files.so.2
======end========
Error: Received signal 6.