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From: Johannes Sixt <j.sixt@viscovery.net>
To: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH] setup_revisions(): do not access outside argv
Date: Wed, 20 May 2009 10:15:56 +0200	[thread overview]
Message-ID: <4A13BC3C.5070000@viscovery.net> (raw)
In-Reply-To: <1242806900-3499-1-git-send-email-pclouds@gmail.com>

Nguyễn Thái Ngọc Duy schrieb:
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
>  revision.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/revision.c b/revision.c
> index 18b7ebb..be1e307 100644
> --- a/revision.c
> +++ b/revision.c
> @@ -1241,9 +1241,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
>  		if (strcmp(arg, "--"))
>  			continue;
>  		argv[i] = NULL;
> -		argc = i;
> -		if (argv[i + 1])
> +		if (i + 1 < argc && argv[i + 1])
>  			revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
> +		argc = i;
>  		seen_dashdash = 1;
>  		break;
>  	}

Why is this necessary? I'd expect that argv arrays have NULL at the end.
If this is a bug, why did noboy notice this earlier? IOW, your commit
message is really lacking justification.

-- Hannes

  reply	other threads:[~2009-05-20  8:16 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-20  8:08 [PATCH] setup_revisions(): do not access outside argv Nguyễn Thái Ngọc Duy
2009-05-20  8:15 ` Johannes Sixt [this message]
2009-05-20  8:23   ` Nguyen Thai Ngoc Duy
2009-05-21  1:58     ` Junio C Hamano
2009-05-21  2:38       ` Miles Bader
2009-05-21  2:41       ` Nguyen Thai Ngoc Duy
2009-05-21  4:18       ` Jeff King
2009-05-21 18:02         ` Thomas Jarosch
2009-05-22  7:56           ` Jeff King
2009-05-22  8:02             ` Jeff King
2009-05-22 14:23               ` Thomas Jarosch
2009-05-22 15:33               ` Brandon Casey
2009-05-22 15:34                 ` Jeff King
2009-05-25 10:46                   ` [PATCH] convert bare readlink to strbuf_readlink Jeff King
2009-05-25 22:23                     ` Junio C Hamano
     [not found]               ` <20090602195605.6117@nanako3.lavabit.com>
2009-06-02 13:57                 ` [PATCH] setup_revisions(): do not access outside argv Jeff King

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