Date: Mon, 11 Sep 2006 11:03:02 +0100 From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> To: Martin Blapp <mbr@freebsd.org> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/kern tty.c Message-ID: <1157968983.82989.0.camel@buffy.york.ac.uk> In-Reply-To: <200609101651.k8AGpuqm069774@repoman.freebsd.org> References: <200609101651.k8AGpuqm069774@repoman.freebsd.org>
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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
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