core dumped

[Vinicius Miranda]

Whenever I run chkrootkit on Ubuntu 12.04 the program ends in a core dump

Last lines from terminal output

" Checking `chkutmp'... *** stack smashing detected ***: ./chkutmp terminated
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(__fortify_fail+0x45)[0xb7699045]
/lib/i386-linux-gnu/libc.so.6(+0x103ffa)[0xb7698ffa]
./chkutmp[0x8048b15]
./chkutmp[0x8048ce2]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0xb75ae4d3]
======= Memory map: ========
08048000-0804a000 r-xp 00000000 08:01 4194399 /usr/lib/chkrootkit/chkutmp
0804a000-0804b000 r--p 00001000 08:01 4194399 /usr/lib/chkrootkit/chkutmp
0804b000-0804c000 rw-p 00002000 08:01 4194399 /usr/lib/chkrootkit/chkutmp
099ee000-09a0f000 rw-p 00000000 00:00 0 [heap]
b7594000-b7595000 rw-p 00000000 00:00 0
b7595000-b7738000 r-xp 00000000 08:01 138287 /lib/i386-linux-gnu/libc-2.15.so
b7738000-b7739000 ---p 001a3000 08:01 138287 /lib/i386-linux-gnu/libc-2.15.so
b7739000-b773b000 r--p 001a3000 08:01 138287 /lib/i386-linux-gnu/libc-2.15.so
b773b000-b773c000 rw-p 001a5000 08:01 138287 /lib/i386-linux-gnu/libc-2.15.so
b773c000-b7740000 rw-p 00000000 00:00 0
b7742000-b775e000 r-xp 00000000 08:01 138172 /lib/i386-linux-gnu/libgcc_s.so.1
b775e000-b775f000 r--p 0001b000 08:01 138172 /lib/i386-linux-gnu/libgcc_s.so.1
b775f000-b7760000 rw-p 0001c000 08:01 138172 /lib/i386-linux-gnu/libgcc_s.so.1
b7760000-b7763000 rw-p 00000000 00:00 0
b7763000-b7764000 r-xp 00000000 00:00 0 [vdso]
b7764000-b7784000 r-xp 00000000 08:01 138306 /lib/i386-linux-gnu/ld-2.15.so
b7784000-b7785000 r--p 0001f000 08:01 138306 /lib/i386-linux-gnu/ld-2.15.so
b7785000-b7786000 rw-p 00020000 08:01 138306 /lib/i386-linux-gnu/ld-2.15.so
bfd9e000-bff15000 rw-p 00000000 00:00 0 [stack]
/usr/sbin/chkrootkit: line 205: 21915 Aborted (core dumped) ./chkutmp
Checking `OSX_RSPLUG'... not infected
"