Description of problem:
tftp crashes on hitting CTRL-C

Version-Release number of selected component (if applicable):
Name   : tftp
Arch   : i386
Version: 0.41
Release: 1.2.1

How reproducible:

# tftp
(to) 127.0.0.1
tftp>  [Press CTRL-C]
*** glibc detected *** tftp: double free or corruption (fasttop): 0x08ae79e8 ***
======= Backtrace: =========
/lib/libc.so.6[0x9f7f18]
/lib/libc.so.6(__libc_free+0x79)[0x9fb41d]
tftp[0x804ae37]
/lib/libc.so.6(__libc_start_main+0xdc)[0x9a97e4]
tftp[0x8048f41]
======= Memory map: ========
003d1000-003da000 r-xp 00000000 03:02 488681     /lib/libnss_files-2.4.so
003da000-003db000 r-xp 00008000 03:02 488681     /lib/libnss_files-2.4.so
003db000-003dc000 rwxp 00009000 03:02 488681     /lib/libnss_files-2.4.so
00976000-00977000 r-xp 00976000 00:00 0          [vdso]
00977000-00990000 r-xp 00000000 03:02 491726     /lib/ld-2.4.so
00990000-00991000 r-xp 00018000 03:02 491726     /lib/ld-2.4.so
00991000-00992000 rwxp 00019000 03:02 491726     /lib/ld-2.4.so
00994000-00ac0000 r-xp 00000000 03:02 491727     /lib/libc-2.4.so
00ac0000-00ac3000 r-xp 0012b000 03:02 491727     /lib/libc-2.4.so
00ac3000-00ac4000 rwxp 0012e000 03:02 491727     /lib/libc-2.4.so
00ac4000-00ac7000 rwxp 00ac4000 00:00 0
00c29000-00c2c000 r-xp 00000000 03:02 491750     /lib/libtermcap.so.2.0.8
00c2c000-00c2d000 rwxp 00002000 03:02 491750     /lib/libtermcap.so.2.0.8
00d6d000-00d78000 r-xp 00000000 03:02 491732     /lib/libgcc_s-4.1.0-20060304.so.1
00d78000-00d79000 rwxp 0000a000 03:02 491732     /lib/libgcc_s-4.1.0-20060304.so.1
02949000-02975000 r-xp 00000000 03:02 1863232    /usr/lib/libreadline.so.5.0
02975000-02979000 rwxp 0002c000 03:02 1863232    /usr/lib/libreadline.so.5.0
02979000-0297a000 rwxp 02979000 00:00 0
08047000-0804d000 r-xp 00000000 03:02 1883173    /usr/bin/tftp
0804d000-0804e000 rw-p 00005000 03:02 1883173    /usr/bin/tftp
0804e000-0806e000 rw-p 0804e000 00:00 0
08ae1000-08b02000 rw-p 08ae1000 00:00 0          [heap]
b7c00000-b7c21000 rw-p b7c00000 00:00 0
b7c21000-b7d00000 ---p b7c21000 00:00 0
b7d6f000-b7f6f000 r--p 00000000 03:02 1860261    /usr/lib/locale/locale-archive
b7f6f000-b7f71000 rw-p b7f6f000 00:00 0
b7f86000-b7f87000 rw-p b7f86000 00:00 0
b7f87000-b7f8e000 r--s 00000000 03:02 1922243    /usr/lib/gconv/gconv-modules.cache
bfd78000-bfd8d000 rw-p bfd78000 00:00 0          [stack]
Abortito