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From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Alban Crequy <alban.crequy@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, alban@kinvolk.io, iago@kinvolk.io
Subject: Re: [PATCH bpf-next v1 1/7] tools: bpftool: fix infinite loop
Date: Wed, 20 Mar 2019 13:54:09 -0700	[thread overview]
Message-ID: <20190320135409.7b67c208@cakuba.netronome.com> (raw)
In-Reply-To: <20190320173332.18105-1-alban@kinvolk.io>

On Wed, 20 Mar 2019 18:33:26 +0100, Alban Crequy wrote:
> From: Alban Crequy <alban@kinvolk.io>
> 
> Symptoms: when forgetting to type the keyword 'type' in front of 'hash':
> $ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128
> (infinite loop, taking all the CPU)
> ^C
> 

Please add:

Fixes: 0b592b5a01be ("tools: bpftool: add map create command")

here.  And submit this one for the bpf tree.

> Signed-off-by: Alban Crequy <alban@kinvolk.io>

> diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
> index e0c650d91784..994a7e0d16fb 100644
> --- a/tools/bpf/bpftool/map.c
> +++ b/tools/bpf/bpftool/map.c
> @@ -1151,6 +1151,9 @@ static int do_create(int argc, char **argv)
>  				return -1;
>  			}
>  			NEXT_ARG();
> +		} else {
> +			p_err("unknown arg %s", *argv);
> +			return -1;
>  		}
>  	}
>  

      parent reply	other threads:[~2019-03-20 20:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-20 17:33 [PATCH bpf-next v1 1/7] tools: bpftool: fix infinite loop Alban Crequy
2019-03-20 17:33 ` [PATCH bpf-next v1 2/7] tools: bpftool: fix error message on invalid argument count Alban Crequy
2019-03-20 21:02   ` Jakub Kicinski
2019-03-20 17:33 ` [PATCH bpf-next v1 3/7] tools: bpftool: create map of maps Alban Crequy
2019-03-20 19:00   ` Quentin Monnet
2019-03-20 17:33 ` [PATCH bpf-next v1 4/7] tools: bpftool: implement map exec command Alban Crequy
2019-03-20 19:01   ` Quentin Monnet
2019-03-20 21:23   ` Jakub Kicinski
2019-03-21  9:57     ` Alban Crequy
2019-03-21 20:16       ` Jakub Kicinski
2019-03-20 17:33 ` [PATCH bpf-next v1 5/7] tools: bpftool: support loading map by fd from parent process Alban Crequy
2019-03-20 19:05   ` Quentin Monnet
2019-03-20 17:33 ` [PATCH bpf-next v1 6/7] tools: bpftool: fix bpffs mount when pinning subdirectories Alban Crequy
2019-03-20 19:01   ` Quentin Monnet
2019-03-20 17:33 ` [PATCH bpf-next v1 7/7] tools: bpftool: add error message on map pinning failure Alban Crequy
2019-03-20 19:01   ` Quentin Monnet
2019-03-20 20:54 ` Jakub Kicinski [this message]

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