From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>,
Jakub Grajciar <jgrajcia@cisco.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC v2] /net: memory interface (memif)
Date: Wed, 12 Dec 2018 10:19:02 +0000 [thread overview]
Message-ID: <54ae65dd-a51f-baa9-1eb2-ea0b18996c25@intel.com> (raw)
In-Reply-To: <59AF69C657FD0841A61C55336867B5B0726FADC1@IRSMSX103.ger.corp.intel.com>
On 10-Dec-18 10:50 AM, Richardson, Bruce wrote:
>
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Burakov, Anatoly
>> Sent: Monday, December 10, 2018 10:43 AM
>> To: Jakub Grajciar <jgrajcia@cisco.com>; dev@dpdk.org
>> Subject: Re: [dpdk-dev] [RFC v2] /net: memory interface (memif)
>>
>> On 10-Dec-18 10:06 AM, Jakub Grajciar wrote:
>>> Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
>>> ---
>>
>> As a general comment, some description/cover letter would have been nice.
>>
>>> +
>>> + memif_msg_disconnect_t *d = &e->msg.disconnect;
>>> +
>>> + e->msg.type = MEMIF_MSG_TYPE_DISCONNECT;
>>> + d->code = err_code;
>>> +
>>> + if (reason != NULL) {
>>> + strncpy((char *)d->string, reason, strlen(reason));
>>> + if (cc->pmd != NULL) {
>>> + strncpy(cc->pmd->local_disc_string, reason,
>>> + strlen(reason));
>>> + }
>>
>> I haven't looked at the entire thing, this is just something that caught
>> my eye during quick skimming through code.
>>
>> On the face of it, this looks dangerous - you're setting the destination
>> buffer size from source buffer size. What if `d->string` is shorter than
>> `reason`?
>>
>
> And strncpy is dangerous - use strlcpy instead.
Isn't strscpy the string copy function du jour now? :)
>
> /Bruce
>
--
Thanks,
Anatoly
next prev parent reply other threads:[~2018-12-12 10:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-10 9:14 [dpdk-dev] [PATCH v3] eal_interrupts: add option for pending callback unregister Jakub Grajciar
2018-12-10 9:42 ` [dpdk-dev] [RFC] /net: memory interface (memif) Jakub Grajciar
2018-12-10 10:06 ` [dpdk-dev] [RFC v2] " Jakub Grajciar
2018-12-10 10:42 ` Burakov, Anatoly
2018-12-10 10:50 ` Richardson, Bruce
2018-12-12 10:19 ` Burakov, Anatoly [this message]
2018-12-12 10:30 ` Bruce Richardson
2018-12-10 14:48 ` Wiles, Keith
2018-12-10 15:13 ` Wiles, Keith
2018-12-17 4:26 ` Honnappa Nagarahalli
2018-12-17 4:54 ` Honnappa Nagarahalli
2018-12-10 16:20 ` Stephen Hemminger
2018-12-11 7:39 ` Ananyev, Konstantin
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