patches for DPDK stable branches
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From: "Medvedkin, Vladimir" <vladimir.medvedkin@intel.com>
To: David Marchand <david.marchand@redhat.com>
Cc: dev <dev@dpdk.org>, "Wang, Yipeng1" <yipeng1.wang@intel.com>,
	"Gobriel, Sameh" <sameh.gobriel@intel.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH] test/hash: fix buffer overflow
Date: Thu, 14 Oct 2021 19:46:07 +0200
Message-ID: <3227dee5-584b-119c-2b79-e44f31b23fed@intel.com> (raw)
In-Reply-To: <CAJFAV8xKJSriZSy1---3KMzM7O9e0zMqzCE9HkKvrD3754DU_w@mail.gmail.com>

Hi David,

On 14/10/2021 09:04, David Marchand wrote:
> Hello Vladimir,
> 
> On Wed, Oct 13, 2021 at 9:27 PM Medvedkin, Vladimir
> <vladimir.medvedkin@intel.com> wrote:
>>> With patch applied, ASan reports another issue.
>>> Did you test your fix with ASan?
>>>
>>
>> You're right, for some reason ASAN wasn't enabled.
>> I applied patch and built running .ci/linux-build.sh,
>> also I build with CFLAGS + LDFLAGS.
>>
>> Bruce suggested to use meson options instead of using CFLAGS, so
>> meson configure build -Db_sanitize=address -Db_lundef=false
>> works fine.
> 
> Well, yes, you can directly do this.
> I linked to my GHA patch in the bz, because I find it easier and
> reproducible to push fixes in GHA and get the result: no question
> about "did I enable ASan?" or "did I start the test correctly?".
> 
> FYI, b_lundef seems necessary only with clang, gcc should be fine without it.
> IIUC, those compilers went with different choices on how to pull
> libasan (clang went with static, gcc went with shared).
> Hopefully, we will have something easier to use in DPDK with Zhihong work.
> 

Thanks!

>>
>> I'll sent v2 for this.
> 
> Thanks, I'll look at it.
> 

I'm going to send v3, because just dividing the size of the key for 
jhash_32b() cases is not correct (because rte_hash will compare just a 
part of the key in this case), so I'll replace rte_jhash_32b with a 
wrapper function.

> 

-- 
Regards,
Vladimir

  reply	other threads:[~2021-10-14 17:57 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-08 21:28 Vladimir Medvedkin
2021-10-11 11:03 ` David Marchand
2021-10-13 19:26   ` Medvedkin, Vladimir
2021-10-14  7:04     ` David Marchand
2021-10-14 17:46       ` Medvedkin, Vladimir [this message]
2021-10-13 19:27 ` [dpdk-stable] [PATCH v2] " Vladimir Medvedkin
2021-10-14  8:34   ` David Marchand
2021-10-14 17:47     ` Medvedkin, Vladimir
2021-10-14 17:48   ` [dpdk-stable] [PATCH v3] " Vladimir Medvedkin
2021-10-15  9:33     ` David Marchand
2021-10-15 13:02       ` Medvedkin, Vladimir
2021-10-19  7:02         ` David Marchand
2021-10-19 15:57           ` Medvedkin, Vladimir
2021-10-20 19:54             ` David Marchand
2021-10-20 20:49               ` Wang, Yipeng1
2021-10-21  7:40     ` David Marchand

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