Re: [PATCH 1/2] http-backend: Fix access beyond end of string.

From: Brian Gernhardt <brian@gernhardtsoftware.com>
Date: Nov 23, 2009, 17:20 UTC
Message-ID: <9201C178-AABF-4320-B7B0-FEE841300E69@gernhardtsoftware.com>
In-Reply-To: <7viqdb0zhs.fsf@alter.siamese.dyndns.org>

On Nov 16, 2009, at 1:12 AM, Junio C Hamano wrote:

Show 5 quoted lines

> 	n = out[0].rm_eo - out[0].rm_so; /* allocation */
>        ... validate and fail invalid method ...
>        cmd_arg = xmalloc(n);
>        memcpy(cmd_arg, dir + out[0].rm_so + 1, n-1);
>        cmd_arg[n-1] = '\0';

I just thought I'd point out that this change (committed as 48aec1b) fixed the problem I was having with t5541-http-push (and a couple others) hanging.  Looks like that one extra byte was overwriting something that malloc/free wanted to keep intact on OS X.

~~ Brian