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Date: Mon, 15 Jul 2013 08:57:28 +0200
From: Matthias Andree <matthias.andree@gmx.de>
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To: freebsd-ports@freebsd.org
Subject: Re: Problem in mailutils/movemail under FreeBSD 9.1
References: <u9hag0npcj.fsf@banyan.cs.ait.ac.th>
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Am 12.07.2013 10:40, schrieb Olivier Nicole:
> Hi,
> 
> Since I moved my file server to 9.1, I am seeing a problem with
> mailutils/movemail:
> 
> movemail pop://on@mail.cs.ac.th file password
> 
> will hang is any message in the mailbox contains a NULL (0x00)
> character.
> 
> Thunderbird is unaffected.
> 
> movemail will hang in _tls_stream_push when mu_stream_sequential_write
> returns an error. So far I could not find the source code for
> mu_stream_sequential_write.

Can you run it under truss(1) to see what system calls it is using
around the time, or reinstall movemail under WITH_DEBUG=yes and use
gcore or attach a debugger to get a backtrace?

> If I use movemail with imap, it enters an infinite loop.
> 
> I still have to understand why there are messages with NULL inside,
> those messages appears to be manggled messages, composed of parts of
> other messages.

This might be mailbox file or file system corruption.