whois -r <ip address> gives glibc realloc() error

Issue

whois -r <ip address> gives glibc realloc() error

$  whois -r 192.168.1.1
[Querying whois.example.net]
*** glibc  detected *** whois: realloc(): invalid next size: 0x000000001bb6ff00 *** 
======= Backtrace: =========
/lib64/libc.so.6[0x37b0a747a4]
/lib64/libc.so.6(realloc+0x102)[0x37b0a75292] 
whois[0x403a86]
whois[0x40a29d]
whois[0x40a892]
whois[0x40abe9] 
whois[0x40ada4]
whois[0x40affc]
/lib64/libc.so.6(__libc_start_main+0xf4)[0x37b0a1d994] 
whois[0x401ab9]
======= Memory map: ========
00400000-0040f000  r-xp 00000000 08:02 436955                             /usr/bin/jwhois
0060f000-00610000  rw-p 0000f000 08:02 436955                             /usr/bin/jwhois
1bb51000-1bb72000  rw-p 1bb51000 00:00 0                                  [heap]
37b0400000-37b041c000  r-xp 00000000 08:02 2334157                        /lib64/ld-2.5.so
37b061b000-37b061c000  r--p 0001b000 08:02 2334157                        /lib64/ld-2.5.so
37b061c000-37b061d000  rw-p 0001c000 08:02 2334157                        /lib64/ld-2.5.so
37b0a00000-37b0b4e000  r-xp 00000000 08:02 2334159                        /lib64/libc-2.5.so
37b0b4e000-37b0d4d000  ---p 0014e000 08:02 2334159                        /lib64/libc-2.5.so
37b0d4d000-37b0d51000  r--p 0014d000 08:02 2334159                        /lib64/libc-2.5.so
37b0d51000-37b0d52000  rw-p 00151000 08:02 2334159                        /lib64/libc-2.5.so
37b0d52000-37b0d57000  rw-p 37b0d52000 00:00 0 
37b9800000-37b980d000 r-xp 00000000 08:02  2334177                        /lib64/libgcc_s-4.1.2-20080825.so.1
37b980d000-37b9a0d000  ---p 0000d000 08:02 2334177                         /lib64/libgcc_s-4.1.2-20080825.so.1
37b9a0d000-37b9a0e000 rw-p  0000d000 08:02 2334177                         /lib64/libgcc_s-4.1.2-20080825.so.1
37be000000-37be031000 r-xp  00000000 08:02 438601                          /usr/lib64/libidn.so.11.5.19
37be031000-37be230000 ---p 00031000  08:02 438601                         /usr/lib64/libidn.so.11.5.19
37be230000-37be231000  rw-p 00030000 08:02 438601                          /usr/lib64/libidn.so.11.5.19
2aeae3c08000-2aeae3c09000 rw-p  2aeae3c08000 00:00 0 
2aeae3c2d000-2aeae3c2f000 rw-p 2aeae3c2d000  00:00 0 
2aeae3c2f000-2aeae7206000 r--p 00000000 08:02 439758                      /usr/lib/locale/locale-archive
2aeae7206000-2aeae7208000  rw-p 2aeae7206000 00:00 0 
2aeae722c000-2aeae7236000 r-xp 00000000  08:02 2334007                    /lib64/libnss_files-2.5.so
2aeae7236000-2aeae7435000  ---p 0000a000 08:02 2334007                     /lib64/libnss_files-2.5.so
2aeae7435000-2aeae7436000 r--p 00009000  08:02 2334007                    /lib64/libnss_files-2.5.so
2aeae7436000-2aeae7437000  rw-p 0000a000 08:02 2334007                     /lib64/libnss_files-2.5.so
2aeae7437000-2aeae746c000 r--s 00000000  08:02 1436863                    /var/db/nscd/hosts
2aeae746c000-2aeae746d000  rw-p 2aeae746c000 00:00 0 
2aeae8000000-2aeae8021000 rw-p  2aeae8000000 00:00 0 
2aeae8021000-2aeaec000000 ---p 2aeae8021000  00:00 0 
7fffc7552000-7fffc7567000 rw-p 7ffffffe9000 00:00 0                       [stack]
ffffffffff600000-ffffffffffe00000 ---p  00000000 00:00 0                  [vdso]