*** glibc detected *** dmesg: free(): invalid next size (normal): 0x000000000210a060 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x76d76)[0x7f3644b05d76]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x7f3644b0aaac]
dmesg[0x4015c5]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7f3644aadead]
dmesg[0x4016bd]
======= Memory map: ========
00400000-00405000 r-xp 00000000 08:01 2883624                            /bin/dmesg
00604000-00605000 r--p 00004000 08:01 2883624                            /bin/dmesg
00605000-00606000 rw-p 00005000 08:01 2883624                            /bin/dmesg
0210a000-0212b000 rw-p 00000000 00:00 0                                  [heap]
7f3640000000-7f3640021000 rw-p 00000000 00:00 0
7f3640021000-7f3644000000 ---p 00000000 00:00 0
7f3644879000-7f364488e000 r-xp 00000000 08:01 1179653                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f364488e000-7f3644a8e000 ---p 00015000 08:01 1179653                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f3644a8e000-7f3644a8f000 rw-p 00015000 08:01 1179653                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f3644a8f000-7f3644c0f000 r-xp 00000000 08:01 1183106                    /lib/x86_64-linux-gnu/libc-2.13.so
7f3644c0f000-7f3644e0f000 ---p 00180000 08:01 1183106                    /lib/x86_64-linux-gnu/libc-2.13.so
7f3644e0f000-7f3644e13000 r--p 00180000 08:01 1183106                    /lib/x86_64-linux-gnu/libc-2.13.so
7f3644e13000-7f3644e14000 rw-p 00184000 08:01 1183106                    /lib/x86_64-linux-gnu/libc-2.13.so
7f3644e14000-7f3644e19000 rw-p 00000000 00:00 0
7f3644e19000-7f3644e39000 r-xp 00000000 08:01 1183109                    /lib/x86_64-linux-gnu/ld-2.13.so
7f364502d000-7f3645030000 rw-p 00000000 00:00 0
7f3645035000-7f3645038000 rw-p 00000000 00:00 0
7f3645038000-7f3645039000 r--p 0001f000 08:01 1183109                    /lib/x86_64-linux-gnu/ld-2.13.so
7f3645039000-7f364503a000 rw-p 00020000 08:01 1183109                    /lib/x86_64-linux-gnu/ld-2.13.so
7f364503a000-7f364503b000 rw-p 00000000 00:00 0
7fff1fc89000-7fff1fcaa000 rw-p 00000000 00:00 0                          [stack]
7fff1fd64000-7fff1fd65000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]