aptitude assert failure: *** glibc detected *** aptitude: free(): invalid pointer: 0x0824ff18 ***

[john mall]

Binary package hint: aptitude

aptitude just stopped while synching with its mirror and spit out some weired messages.
Unfortunately i do not have them anymore.

ProblemType: Crash
Architecture: i386
AssertionMessage: *** glibc detected *** aptitude: free(): invalid pointer: 0x0824ff18 ***
Date: Wed Sep 2 11:04:40 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/aptitude
NonfreeKernelModules: nvidia
Package: aptitude 0.4.11.11-1ubuntu4
ProcCmdline: aptitude update
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-9.29-generic
Signal: 6
SourcePackage: aptitude
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /lib/tls/i686/cmov/libc.so.6
Title: aptitude assert failure: *** glibc detected *** aptitude: free(): invalid pointer: 0x0824ff18 ***
Uname: Linux 2.6.31-9-generic i686
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:__kernel_vsyscall ()
*__GI_raise (sig=6)
*__GI_abort () at abort.c:92
__libc_message (do_abort=2,
malloc_printerr (action=<value optimized out>,