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From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk>
To: Martin Blapp <mbr@freebsd.org>
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Date: Mon, 11 Sep 2006 11:03:02 +0100
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/kern tty.c
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On Sun, 2006-09-10 at 16:51 +0000, Martin Blapp wrote:
> mbr         2006-09-10 16:51:56 UTC
> 
>   Modified files:
>     sys/kern             tty.c 
>   Log:
>   Fix locking race in ttymodem(). The locking of the proctree happens too late
>   and opens a small race window before tp->t_session->s_leader is accessed. In case
>   tp->t_session has just been set to NULL elsewhere, we get a panic().

This is excellent, thanks!

Gavin