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From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
To: Magnus Karlsson <magnus.karlsson@gmail.com>
Cc: <magnus.karlsson@intel.com>, <bjorn@kernel.org>, <ast@kernel.org>,
	<daniel@iogearbox.net>, <netdev@vger.kernel.org>,
	<jonathan.lemon@gmail.com>, <bpf@vger.kernel.org>
Subject: Re: [PATCH bpf-next] selftests/xsk: fix double free
Date: Thu, 29 Sep 2022 12:44:00 +0200	[thread overview]
Message-ID: <YzV28OlK+pwlm/B/@boxer> (raw)
In-Reply-To: <20220929090133.7869-1-magnus.karlsson@gmail.com>

On Thu, Sep 29, 2022 at 11:01:33AM +0200, Magnus Karlsson wrote:
> From: Magnus Karlsson <magnus.karlsson@intel.com>
> 
> Fix a double free at exit of the test suite.
> 
> Fixes: a693ff3ed561 ("selftests/xsk: Add support for executing tests on physical device")
> Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
> ---
>  tools/testing/selftests/bpf/xskxceiver.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
> index ef33309bbe49..d1a5f3218c34 100644
> --- a/tools/testing/selftests/bpf/xskxceiver.c
> +++ b/tools/testing/selftests/bpf/xskxceiver.c
> @@ -1953,9 +1953,6 @@ int main(int argc, char **argv)
>  
>  	pkt_stream_delete(tx_pkt_stream_default);
>  	pkt_stream_delete(rx_pkt_stream_default);
> -	free(ifobj_rx->umem);
> -	if (!ifobj_tx->shared_umem)
> -		free(ifobj_tx->umem);
>  	ifobject_delete(ifobj_tx);
>  	ifobject_delete(ifobj_rx);

So basically we free this inside ifobject_delete().

Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>

>  
> 
> base-commit: 8526f0d6135f77451566463ace6f0fb8b72cedaa
> -- 
> 2.34.1
> 

  reply	other threads:[~2022-09-29 10:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-29  9:01 [PATCH bpf-next] selftests/xsk: fix double free Magnus Karlsson
2022-09-29 10:44 ` Maciej Fijalkowski [this message]
2022-09-30  0:52   ` Martin KaFai Lau
2022-09-30  7:52     ` Magnus Karlsson
2022-09-30 14:31       ` Magnus Karlsson
2022-09-30 22:50 ` patchwork-bot+netdevbpf

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