From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 22 Mar 2010 20:25:23 GMT
Subject: Re: [PATCH] http-backend: Don't infinite loop during die()
Message-ID: <7vhbo885os.fsf@alter.siamese.dyndns.org>
In-Reply-To: <20100322142204.GB8916@spearce.org>

"Shawn O. Pearce" <spearce@spearce.org> writes:

> If stdout has already been closed by the CGI and die() gets called,
> the CGI will fail to write the "Status: 500 Internal Server Error" to
> the pipe, which results in die() being called again (via safe_write).
> This goes on in an infinite loop until the stack overflows and the
> process is killed by SIGSEGV.

Before looking at the code I first thought "wouldn't we have the same
problem in die(), and shouldn't we have "dying" flag there?" but I was
stupid as usual ;-)

The patch looks sane.  Thanks.