From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
Subject: Re: [PATCH] ipc: fix undefined behavior in no-shconf mode
Date: Wed, 24 Oct 2018 11:20:47 +0100
Message-ID: <59545f64-3fff-b046-d212-f134fe55de77@intel.com>
References: <20181024100517.17494-1-dariusz.stojaczyk@intel.com>
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Cc: stable@dpdk.org
To: Darek Stojaczyk <dariusz.stojaczyk@intel.com>, dev@dpdk.org
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On 24-Oct-18 11:05 AM, Darek Stojaczyk wrote:
> In no-shconf mode the rte_mp_request_sync() wasn't initializing
> the `reply` parameter, which contained e.g. a number of sent
> requests. Callers of rte_mp_request_sync() might check that
> param afterwards and might read potentially unitialized memory.
> 
> The no-shconf check that makes us return early (with rc = 0) was
> placed before the `reply` initialization. Fix this by making the
> `reply` initialization occur first.
> 
> Fixes: 5848e3d2813c ("ipc: support --no-shconf mode")
> Cc: anatoly.burakov@intel.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
> ---

Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

-- 
Thanks,
Anatoly