netdev - Re: [PATCH net 2/2] tests/ncdevmem: Fix double-free of queue array

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Message-ID: <aAkbWusk4Ay5uW37@mini-arch>
Date: Wed, 23 Apr 2025 09:54:50 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Cosmin Ratiu <cratiu@...dia.com>
Cc: netdev@...r.kernel.org, Jason Gunthorpe <jgg@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>, Saeed Mahameed <saeedm@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>,
	Dragos Tatulea <dtatulea@...dia.com>,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net 2/2] tests/ncdevmem: Fix double-free of queue array

On 04/23, Cosmin Ratiu wrote:
> netdev_bind_rx takes ownership of the queue array passed as parameter
> and frees it, so a queue array buffer cannot be reused across multiple
> netdev_bind_rx calls.
> 
> This commit fixes that by always passing in a newly created queue array
> to all netdev_bind_rx calls in ncdevmem.
> 
> Fixes: 85585b4bc8d8 ("selftests: add ncdevmem, netcat for devmem TCP")
> Signed-off-by: Cosmin Ratiu <cratiu@...dia.com>

Acked-by: Stanislav Fomichev <sdf@...ichev.me>