***glibc detected *** ./linklist: free(): invalid pointer: 0x0805b4f8 ***
======= Backtrace: =========
/lib/libc.so.6[0xb748e50b]
/lib/libc.so.6[0xb748fde4]
/lib/libc.so.6(cfree+0x6d)[0xb7492fdd]
/usr/lib/libstdc++.so.6(_ZdlPv+0x1f)[0xb7685f4f]
./linklist[0x8050a88]
./linklist[0x804db03]
./linklist[0x804b8b7]
/lib/libc.so.6(__libc_start_main+0xfe)[0xb7437ace]
./linklist[0x804a6f1]
======= Memory map: ========
08048000-08059000 r-xp 00000000 08:12 270817165  /home/ruben/cplus/link_list_template_mysql/linklist
08059000-0805a000 r--p 00010000 08:12 270817165  /home/ruben/cplus/link_list_template_mysql/linklist
0805a000-0805b000 rw-p 00011000 08:12 270817165  /home/ruben/cplus/link_list_template_mysql/linklist
0805b000-0863e000 rw-p 00000000 00:00 0          [heap]
b7200000-b7221000 rw-p 00000000 00:00 0 
b7221000-b7300000 ---p 00000000 00:00 0 
b73bc000-b73be000 rw-p 00000000 00:00 0 
b73be000-b73d0000 r-xp 00000000 08:02 41205      /lib/libz.so.1.2.3
b73d0000-b73d1000 r--p 00011000 08:02 41205      /lib/libz.so.1.2.3
b73d1000-b73d2000 rw-p 00012000 08:02 41205      /lib/libz.so.1.2.3
b73d2000-b73e7000 r-xp 00000000 08:02 36322      /lib/libnsl-2.10.1.so
b73e7000-b73e8000 r--p 00014000 08:02 36322      /lib/libnsl-2.10.1.so
b73e8000-b73e9000 rw-p 00015000 08:02 36322      /lib/libnsl-2.10.1.so
b73e9000-b73eb000 rw-p 00000000 00:00 0 
b73eb000-b73f8000 r-xp 00000000 08:02 36315      /lib/libcrypt-2.10.1.so
b73f8000-b73f9000 r--p 0000c000 08:02 36315      /lib/libcrypt-2.10.1.so
b73f9000-b73fa000 rw-p 0000d000 08:02 36315      /lib/libcrypt-2.10.1.so
b73fa000-b7421000 rw-p 00000000 00:00 0 
b7421000-b757a000 r-xp 00000000 08:02 36311      /lib/libc-2.10.1.so
b757a000-b757b000 ---p 00159000 08:02 36311      /lib/libc-2.10.1.so
b757b000-b757d000 r--p 00159000 08:02 36311      /lib/libc-2.10.1.so
b757d000-b757e000 rw-p 0015b000 08:02 36311      /lib/libc-2.10.1.so
b757e000-b7581000 rw-p 00000000 00:00 0 
b7581000-b759f000 r-xp 00000000 08:02 46465      /lib/libgcc_s.so.1
b759f000-b75a0000 r--p 0001d000 08:02 46465      /lib/libgcc_s.so.1
b75a0000-b75a1000 rw-p 0001e000 08:02 46465      /lib/libgcc_s.so.1
b75a1000-b75a2000 rw-p 00000000 00:00 0 
b75a2000-b75c9000 r-xp 00000000 08:02 36319      /lib/libm-2.10.1.so
b75c9000-b75ca000 r--p 00027000 08:02 36319      /lib/libm-2.10.1.so
b75ca000-b75cb000 rw-p 00028000 08:02 36319      /lib/libm-2.10.1.so
b75cb000-b76b2000 r-xp 00000000 08:02 51954      /usr/lib/libstdc++.so.6.0.12
b76b2000-b76b3000 ---p 000e7000 08:02 51954      /usr/lib/libstdc++.so.6.0.12
b76b3000-b76b7000 r--p 000e7000 08:02 51954      /usr/lib/libstdc++.so.6.0.12
b76b7000-b76b8000 rw-p 000eb000 08:02 51954      /usr/lib/libstdc++.so.6.0.12
b76b8000-b76bf000 rw-p 00000000 00:00 0 
b76bf000-b7704000 r-xp 00000000 08:02 326838     /usr/local/lib/mysql/libmysqlclient.so.16.0.0
b7704000-b7705000 r--p 00045000 08:02 326838     /usr/local/lib/mysql/libmysqlclient.so.16.0.0
b7705000-b772e000 rw-p 00046000 08:02 326838     /usr/local/lib/mysql/libmysqlclient.so.16.0.0
b772e000-b7731000 rw-p 00000000 00:00 0 
b7731000-b777d000 r-xp 00000000 08:02 909933     /usr/local/lib/libmysqlpp.so.3.1.0
b777d000-b777e000 ---p 0004c000 08:02 909933     /usr/local/lib/libmysqlpp.so.3.1.0
b777e000-b777f000 r--p 0004c000 08:02 909933     /usr/local/lib/libmysqlpp.so.3.1.0
b777f000-b7780000 rw-p 0004d000 08:02 909933     /usr/local/lib/libmysqlpp.so.3.1.0
b7795000-b77a0000 r-xp 00000000 08:02 36328      /lib/libnss_files-2.10.1.so
b77a0000-b77a1000 r--p 0000a000 08:02 36328      /lib/libnss_files-2.10.1.so
b77a1000-b77a2000 rw-p 0000b000 08:02 36328      /lib/libnss_files-2.10.1.so
b77a2000-b77a4000 rw-p 00000000 00:00 0 
b77a4000-b77c2000 r-xp 00000000 08:02 36304      /lib/ld-2.10.1.so
b77c2000-b77c3000 r--p 0001d000 08:02 36304      /lib/ld-2.10.1.so
b77c3000-b77c4000 rw-p 0001e000 08:02 36304      /lib/ld-2.10.1.so
bfd6b000-bfd80000 rw-p 00000000 00:00 0          [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0          [vdso]
Aborted