Binary package hint: apt
In a few words:
$ sudo apt-get autoclean
*** glibc detected *** sudo: double free or corruption (out): 0x00002b0e77d30cd0 ***
======= Backtrace: =========
/lib/libc.so.6[0x2b0e7761dfca]
/lib/libc.so.6(cfree+0x8c)[0x2b0e77621b5c]
/lib/libc.so.6(__libc_dlsym+0x80)[0x2b0e776b7fc0]
/lib/libc.so.6(__nss_lookup_function+0x16a)[0x2b0e77691e6a]
/lib/libc.so.6[0x2b0e77669939]
/lib/libc.so.6(getaddrinfo+0x1be)[0x2b0e7766b29e]
sudo[0x407c49]
sudo[0x408c4d]
/lib/libc.so.6(__libc_start_main+0xf4)[0x2b0e775c80b4]
sudo[0x4033a9]
======= Memory map: ========
00400000-0041c000 r-xp 00000000 08:03 51403 /usr/bin/sudo
0061b000-0061e000 rw-p 0001b000 08:03 51403 /usr/bin/sudo
0061e000-00641000 rw-p 0061e000 00:00 0 [heap]
2b0e76f7d000-2b0e76f9a000 r-xp 00000000 08:03 102263 /lib/ld-2.7.so
2b0e76f9a000-2b0e76f9d000 rw-p 2b0e76f9a000 00:00 0
2b0e76f9d000-2b0e76f9e000 r--p 00000000 08:03 544004 /usr/lib/locale/it_IT.utf8/LC_IDENTIFICATION
2b0e76f9e000-2b0e76fa5000 r--s 00000000 08:03 43023 /usr/lib/gconv/gconv-modules.cache
2b0e76fa5000-2b0e76fa6000 r--p 00000000 08:03 16560 /usr/lib/locale/it_IT.utf8/LC_MEASUREMENT
2b0e76fa6000-2b0e76fa7000 r--p 00000000 08:03 544003 /usr/lib/locale/it_IT.utf8/LC_TELEPHONE
2b0e76fa7000-2b0e76fa8000 r--p 00000000 08:03 544002 /usr/lib/locale/it_IT.utf8/LC_ADDRESS
2b0e76fa8000-2b0e76fa9000 r--p 00000000 08:03 16648 /usr/lib/locale/it_IT.utf8/LC_NAME
2b0e76fa9000-2b0e76faa000 r--p 00000000 08:03 16564 /usr/lib/locale/it_IT.utf8/LC_PAPER
2b0e76faa000-2b0e76fab000 r--p 00000000 08:03 544001 /usr/lib/locale/it_IT.utf8/LC_MESSAGES/SYS_LC_MESSAGES
2b0e76fab000-2b0e76fac000 r--p 00000000 08:03 544000 /usr/lib/locale/it_IT.utf8/LC_MONETARY
2b0e76fac000-2b0e7708c000 r--p 00000000 08:03 543988 /usr/lib/locale/it_IT.utf8/LC_COLLATE
2b0e7708c000-2b0e7708d000 r--p 00000000 08:03 543999 /usr/lib/locale/it_IT.utf8/LC_TIME
2b0e7708d000-2b0e7708e000 r--p 00000000 08:03 543998 /usr/lib/locale/it_IT.utf8/LC_NUMERIC
2b0e7708e000-2b0e770cd000 r--p 00000000 08:03 543481 /usr/lib/locale/it_IT.utf8/LC_CTYPE
2b0e770eb000-2b0e770ec000 rw-p 2b0e770eb000 00:00 0
2b0e7719a000-2b0e7719b000 r--p 0001d000 08:03 102263 /lib/ld-2.7.so
2b0e7719b000-2b0e7719c000 rw-p 0001e000 08:03 102263 /lib/ld-2.7.so
2b0e7719c000-2b0e771a6000 r-xp 00000000 08:03 19760 /lib/libpam.so.0.81.6
2b0e771a6000-2b0e773a5000 ---p 0000a000 08:03 19760 /lib/libpam.so.0.81.6
2b0e773a5000-2b0e773a6000 rw-p 00009000 08:03 19760 /lib/libpam.so.0.81.6
2b0e773a6000-2b0e773a8000 r-xp 00000000 08:03 106940 /lib/libdl-2.7.so
2b0e773a8000-2b0e775a8000 ---p 00002000 08:03 106940 /lib/libdl-2.7.so
2b0e775a8000-2b0e775aa000 rw-p 00002000 08:03 106940 /lib/libdl-2.7.so
2b0e775aa000-2b0e77702000 r-xp 00000000 08:03 102267 /lib/libc-2.7.so
2b0e77702000-2b0e77902000 ---p 00158000 08:03 102267 /lib/libc-2.7.so
2b0e77902000-2b0e77905000 r--p 00158000 08:03 102267 /lib/libc-2.7.so
2b0e77905000-2b0e77907000 rw-p 0015b000 08:03 102267 /lib/libc-2.7.so
2b0e77907000-2b0e7790e000 rw-p 2b0e77907000 00:00 0
2b0e7790e000-2b0e77916000 r-xp 00000000 08:03 106944 /lib/libnss_compat-2.7.so
2b0e77916000-2b0e77b15000 ---p 00008000 08:03 106944 /lib/libnss_compat-2.7.so
2b0e77b15000-2b0e77b17000 rw-p 00007000 08:03 106944 /lib/libnss_compat-2.7.so
2b0e77b17000-2b0e77b2d000 r-xp 00000000 08:03 106943 /lib/libnsl-2.7.so
2b0e77b2d000-2b0e77d2c000 ---p 00016000 08:03 106943 /lib/libnsl-2.7.so
2b0e77d2c000-2b0e77d2e000 rw-p 00015000 08:03 106943 /lib/libnsl-2.7.so
2b0e77d2e000-2b0e77d31000 rw-p 2b0e77d2e000 00:00 0
2b0e77d31000-2b0e77d3b000 r-xp 00000000 08:03 106948 /lib/libnss_nis-2.7.so
2b0e77d3b000-2b0e77f3a000 ---p 0000a000 08:03 106948 /lib/libnss_nis-2.7.so
2b0e77f3a000-2b0e77f3c000 rw-p 00009000 08:03 106948 /lib/libnss_nis-2.7.so
2b0e77f3c000-2b0e77f46000 r-xp 00000000 08:03 106946 /lib/libnss_files-2.7.so
2b0e77f46000-2b0e78146000 ---p 0000a000 08:03 106946 /lib/libnss_files-2.7.so
2b0e78146000-2b0e78148000 rw-p 0000a000 08:03 106946 /lib/libnss_files-2.7.so
2b0e78148000-2b0e78155000 r-xp 00000000 08:03 114069 /lib/libgcc_s.so.1
2b0e78155000-2b0e78355000 ---p 0000d000 08:03 114069 /lib/libgcc_s.so.1
2b0e78355000-2b0e78356000 rw-p 0000d000 08:03 114069 /lib/libgcc_s.so.1
7fff33b18000-7fff33b2d000 rw-p 7ffffffea000 00:00 0 [stack]
7fff33bfe000-7fff33c00000 r-xp 7fff33bfe000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted
