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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Phil Sutter <phil@nwl.cc>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [nft PATCH] json: Fix memleak in set_dtype_json()
Date: Mon, 12 Oct 2020 15:03:27 +0200	[thread overview]
Message-ID: <20201012130327.GA27782@salvia> (raw)
In-Reply-To: <20201008171013.17076-1-phil@nwl.cc>

On Thu, Oct 08, 2020 at 07:10:13PM +0200, Phil Sutter wrote:
> Turns out json_string() already dups the input, so the temporary dup
> passed to it is lost.

LGTM.

> Fixes: e70354f53e9f6 ("libnftables: Implement JSON output support")
> Signed-off-by: Phil Sutter <phil@nwl.cc>
> ---
>  src/json.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/json.c b/src/json.c
> index 121dfb247d967..a8824d3fc05a9 100644
> --- a/src/json.c
> +++ b/src/json.c
> @@ -62,7 +62,7 @@ static json_t *set_dtype_json(const struct expr *key)
>  
>  	tok = strtok(namedup, " .");
>  	while (tok) {
> -		json_t *jtok = json_string(xstrdup(tok));
> +		json_t *jtok = json_string(tok);
>  		if (!root)
>  			root = jtok;
>  		else if (json_is_string(root))
> -- 
> 2.28.0
> 

      reply	other threads:[~2020-10-12 13:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-08 17:10 [nft PATCH] json: Fix memleak in set_dtype_json() Phil Sutter
2020-10-12 13:03 ` Pablo Neira Ayuso [this message]

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