Git crashes on pull

Hi,

I have a clone of http://git.postgresql.org/git/postgresql.git where head 
is at commit 167501570c74390dfb7a5dd71e260ab3d4fd9904.

I'm using Git version 1.6.5.rc1.10.g20f34 (should be at commit 
20f34902d154f390ebaa7eed7f42ad14140b8acb from Mon Sep 14 10:49:01 2009 
+0200)

Now when I 'git pull' then Git crashes with

git pull 2>&1 > /tmp/git-error
*** glibc detected *** git-remote-curl: free(): invalid pointer: 
0xb7d19140 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7c4f4b6]
/lib/libc.so.6(cfree+0x89)[0xb7c51179]
git-remote-curl[0x804d290]
git-remote-curl[0x804df04]
git-remote-curl[0x8065ea5]
git-remote-curl[0x804aac6]
/lib/libc.so.6(__libc_start_main+0xe0)[0xb7bfefe0]
git-remote-curl[0x804a991]
======= Memory map: ========
08048000-080a1000 r-xp 00000000 08:15 1658246 
/usr/local/libexec/git-core/git-remote-curl
080a1000-080a2000 r--p 00058000 08:15 1658246 
/usr/local/libexec/git-core/git-remote-curl
080a2000-080a3000 rw-p 00059000 08:15 1658246 
/usr/local/libexec/git-core/git-remote-curl
080a3000-08143000 rw-p 080a3000 00:00 0          [heap]
b4400000-b4421000 rw-p b4400000 00:00 0
b4421000-b4500000 ---p b4421000 00:00 0
b45ea000-b45f4000 r-xp 00000000 08:13 1097821    /lib/libgcc_s.so.1
b45f4000-b45f6000 rw-p 00009000 08:13 1097821    /lib/libgcc_s.so.1
...

Any idea what's causing this?

Please keep me on CC, as I'm not subscribed on list.

Regards

Guido