From: Jakub Kicinski <kuba@kernel.org>
To: Pedro Tammela <pctammela@mojatatu.com>
Cc: netdev@vger.kernel.org, jhs@mojatatu.com,
xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net,
edumazet@google.com, pabeni@redhat.com,
simon.horman@corigine.com
Subject: Re: [PATCH net-next v4 2/5] net/sched: act_pedit: use extack in 'ex' parsing errors
Date: Thu, 20 Apr 2023 19:36:40 -0700 [thread overview]
Message-ID: <20230420193640.028e69cd@kernel.org> (raw)
In-Reply-To: <20230418234354.582693-3-pctammela@mojatatu.com>
On Tue, 18 Apr 2023 20:43:51 -0300 Pedro Tammela wrote:
> - if (nla_type(ka) != TCA_PEDIT_KEY_EX)
> + if (nla_type(ka) != TCA_PEDIT_KEY_EX) {
> + NL_SET_ERR_MSG_MOD(extack, "Unknown attribute, expected extended key");
> goto err_out;
> + }
This is a check on ka, we should use NL_SET_ERR_MSG_ATTR()
> k->htype = nla_get_u16(tb[TCA_PEDIT_KEY_EX_HTYPE]);
> k->cmd = nla_get_u16(tb[TCA_PEDIT_KEY_EX_CMD]);
>
> if (k->htype > TCA_PEDIT_HDR_TYPE_MAX ||
> - k->cmd > TCA_PEDIT_CMD_MAX)
> + k->cmd > TCA_PEDIT_CMD_MAX) {
> + NL_SET_ERR_MSG_MOD(extack, "Extended key is malformed");
And these are checks for tb[TCA_PEDIT_KEY_EX_HTYPE] and
tb[TCA_PEDIT_KEY_EX_CMD], should be part of the parsing policy.
--
pw-bot: cr
next prev parent reply other threads:[~2023-04-21 2:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-18 23:43 [PATCH net-next v4 0/5] net/sched: act_pedit: minor improvements Pedro Tammela
2023-04-18 23:43 ` [PATCH net-next v4 1/5] net/sched: act_pedit: simplify 'ex' key parsing error propagation Pedro Tammela
2023-04-19 9:37 ` Simon Horman
2023-04-21 2:33 ` Jakub Kicinski
2023-04-18 23:43 ` [PATCH net-next v4 2/5] net/sched: act_pedit: use extack in 'ex' parsing errors Pedro Tammela
2023-04-19 9:39 ` Simon Horman
2023-04-21 2:36 ` Jakub Kicinski [this message]
2023-04-18 23:43 ` [PATCH net-next v4 3/5] net/sched: act_pedit: check static offsets a priori Pedro Tammela
2023-04-21 2:41 ` Jakub Kicinski
2023-04-21 15:12 ` Pedro Tammela
2023-04-21 15:15 ` Jakub Kicinski
2023-04-21 16:10 ` Pedro Tammela
2023-04-18 23:43 ` [PATCH net-next v4 4/5] net/sched: act_pedit: remove extra check for key type Pedro Tammela
2023-04-18 23:43 ` [PATCH net-next v4 5/5] net/sched: act_pedit: rate limit datapath messages Pedro Tammela
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