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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	Thomas Monjalon <thomas@monjalon.net>
Cc: Stephen Hemminger <stephen@networkplumber.org>, <dev@dpdk.org>,
	"stable@dpdk.org" <stable@dpdk.org>,
	Matan Azrad <matan@nvidia.com>,
	"Xia, Chenbo" <chenbo.xia@intel.com>
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH] ethdev: fix crash on owner delete
Date: Fri, 5 Nov 2021 14:36:55 +0000	[thread overview]
Message-ID: <0bb4b17c-dcc2-1171-02c3-0daf56824fea@intel.com> (raw)
In-Reply-To: <bafcdcc9-d63a-e7fb-9b05-6b468fa18de1@oktetlabs.ru>

On 11/5/2021 1:36 PM, Andrew Rybchenko wrote:
> On 11/5/21 4:16 PM, Thomas Monjalon wrote:
>> 05/11/2021 04:03, Xia, Chenbo:
>>> From: stable <stable-bounces@dpdk.org> On Behalf Of Ferruh Yigit
>>>
>>>> 'eth_dev->data' can be null before ethdev allocated. The API walks
>>>> through all eth devices, at least for some data can be null.
>>>>
>>>> Adding 'eth_dev->data' null check before accessing it.
>>>>
>>>> Fixes: 33c73aae32e4 ("ethdev: allow ownership operations on unused port")
>>>> Cc: stable@dpdk.org
>>>>
>>>> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
>> [...]
>>>> @@ -757,10 +757,13 @@ rte_eth_dev_owner_delete(const uint64_t owner_id)
>>>>        rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
>>>>
>>>>        if (eth_is_valid_owner_id(owner_id)) {
>>>> -             for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
>>>> -                     if (rte_eth_devices[port_id].data->owner.id == owner_id)
>>>> -                             memset(&rte_eth_devices[port_id].data->owner, 0,
>>>> +             for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
>>>> +                     struct rte_eth_dev_data *data =
>>>> +                             rte_eth_devices[port_id].data;
>>>> +                     if (data != NULL && data->owner.id == owner_id)
>>
>> Indeed the NULL check was missing.
>>
>>> Acked-by: Chenbo Xia <chenbo.xia@intel.com>
>>
>> Acked-by: Thomas Monjalon <thomas@monjalon.net>
>>
> 
> Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> 

Applied to dpdk-next-net/main, thanks.

      reply	other threads:[~2021-11-05 14:37 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-29 21:47 [dpdk-dev] [RFC] ethdev: mark old ETH_LINK macros as deprecated Stephen Hemminger
2021-11-01 12:30 ` Ferruh Yigit
2021-11-02 23:44 ` [dpdk-dev] [PATCH] ethdev: mark old " Ferruh Yigit
2021-11-03  0:05   ` Stephen Hemminger
2021-11-03  9:00     ` Ferruh Yigit
2021-11-03 22:48   ` [dpdk-dev] [PATCH v2] " Ferruh Yigit
2021-11-04 11:03     ` Ferruh Yigit
2021-11-04 12:59       ` Thomas Monjalon
2021-11-05 13:40         ` Andrew Rybchenko
2021-11-05 15:05           ` Thomas Monjalon
2021-11-05 16:26             ` Stephen Hemminger
2021-11-05 21:33               ` Ferruh Yigit
2021-11-06  7:46                 ` Thomas Monjalon
2022-01-12 14:36     ` [PATCH v3] " Ferruh Yigit
2022-01-14  6:45       ` Xia, Chenbo
2022-01-14  9:01         ` Ferruh Yigit
2021-11-04 11:04   ` [dpdk-dev] [PATCH] ethdev: fix crash on owner delete Ferruh Yigit
2021-11-05  3:03     ` [dpdk-dev] [dpdk-stable] " Xia, Chenbo
2021-11-05 13:16       ` Thomas Monjalon
2021-11-05 13:36         ` Andrew Rybchenko
2021-11-05 14:36           ` Ferruh Yigit [this message]

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