Comment 4 for bug 316762

The same problem appears in jaunty when debugging a local version of gq in gnome:

strace -o gq -p 32371

Process 32371 attached - interrupt to quit
*** glibc detected *** strace: malloc(): memory corruption (fast): 0x0000000001f89be0 ***
======= Backtrace: =========
/lib/libc.so.6[0x7f86c4cb7cb8]
/lib/libc.so.6[0x7f86c4cbb351]
/lib/libc.so.6(__libc_malloc+0x98)[0x7f86c4cbc828]
strace[0x4087d8]
strace[0x405c0e]
strace[0x404916]
/lib/libc.so.6(__libc_start_main+0xe6)[0x7f86c4c5e5a6]
strace[0x402119]
======= Memory map: ========
00400000-00447000 r-xp 00000000 fc:01 418192 /usr/bin/strace
00646000-00647000 r--p 00046000 fc:01 418192 /usr/bin/strace
00647000-00648000 rw-p 00047000 fc:01 418192 /usr/bin/strace
00648000-00656000 rw-p 00648000 00:00 0
01f89000-01faa000 rw-p 01f89000 00:00 0 [heap]
7f86c0000000-7f86c0021000 rw-p 7f86c0000000 00:00 0
7f86c0021000-7f86c4000000 ---p 7f86c0021000 00:00 0
7f86c4a28000-7f86c4a3e000 r-xp 00000000 08:02 1441850 /lib/libgcc_s.so.1
7f86c4a3e000-7f86c4c3e000 ---p 00016000 08:02 1441850 /lib/libgcc_s.so.1
7f86c4c3e000-7f86c4c3f000 r--p 00016000 08:02 1441850 /lib/libgcc_s.so.1
7f86c4c3f000-7f86c4c40000 rw-p 00017000 08:02 1441850 /lib/libgcc_s.so.1
7f86c4c40000-7f86c4da8000 r-xp 00000000 08:02 1441921 /lib/libc-2.9.so
7f86c4da8000-7f86c4fa8000 ---p 00168000 08:02 1441921 /lib/libc-2.9.so
7f86c4fa8000-7f86c4fac000 r--p 00168000 08:02 1441921 /lib/libc-2.9.so
7f86c4fac000-7f86c4fad000 rw-p 0016c000 08:02 1441921 /lib/libc-2.9.so
7f86c4fad000-7f86c4fb2000 rw-p 7f86c4fad000 00:00 0
7f86c4fb2000-7f86c4fd2000 r-xp 00000000 08:02 1441808 /lib/ld-2.9.so
7f86c5199000-7f86c519b000 rw-p 7f86c5199000 00:00 0
7f86c51cd000-7f86c51d1000 rw-p 7f86c51cd000 00:00 0
7f86c51d1000-7f86c51d2000 r--p 0001f000 08:02 1441808 /lib/ld-2.9.so
7f86c51d2000-7f86c51d3000 rw-p 00020000 08:02 1441808 /lib/ld-2.9.so
7fffcd1be000-7fffcd1d3000 rw-p 7ffffffea000 00:00 0 [stack]
7fffcd1ff000-7fffcd200000 r-xp 7fffcd1ff000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted

The installed packages are:

LC_ALL=C apt-cache policy strace libc6
strace:
  Installed: 4.5.17+cvs080723-2ubuntu1
  Candidate: 4.5.17+cvs080723-2ubuntu1
  Version table:
 *** 4.5.17+cvs080723-2ubuntu1 0
        500 http://ftp.rhnet.is jaunty/main Packages
        100 /var/lib/dpkg/status
libc6:
  Installed: 2.9-4ubuntu6
  Candidate: 2.9-4ubuntu6
  Version table:
 *** 2.9-4ubuntu6 0
        100 /var/lib/dpkg/status
     2.9-4ubuntu5 0
        500 http://ftp.rhnet.is jaunty/main Packages