From owner-freebsd-bugs@FreeBSD.ORG  Tue Aug 13 16:32:53 2013
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Message-ID: <520A5DE2.4040103@freebsd.org>
Date: Tue, 13 Aug 2013 20:25:06 +0400
From: Andrey Chernov <ache@freebsd.org>
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To: "Rafal W." <kenorb@gmail.com>
Subject: Re: bin/181263: grep crashes at memchr/__sfvwrite when using colors
References: <201308131350.r7DDo13u022460@freefall.freebsd.org>
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On 13.08.2013 17:50, Rafal W. wrote:
>  at /usr/src/lib/libc/stdio/fvwrite.c:170
>    #2  0x0000000801007698 in fwrite (buf=0x608c03,
>  size=18446744073709551606, count=1, fp=0x801247770)
>        at /usr/src/lib/libc/stdio/fwrite.c:95
>    #3  0x0000000000405498 in printline (line=0x7fffffffdb70, sep=58,
>  matches=0x7fffffffd990, m=9)

It seems matches[i] array went south providing negative count for fwrite().

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