netdev - Re: [PATCH net v2] tests/ncdevmem: Fix double-free of queue array

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Message-ID: <aBzahvmKEiwHwciQ@mini-arch>
Date: Thu, 8 May 2025 09:23:34 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Cosmin Ratiu <cratiu@...dia.com>
Cc: netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Paolo Abeni <pabeni@...hat.com>, Joe Damato <jdamato@...tly.com>,
	Shuah Khan <shuah@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
	Mina Almasry <almasrymina@...gle.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>,
	Dragos Tatulea <dtatulea@...dia.com>,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net v2] tests/ncdevmem: Fix double-free of queue array

On 05/08, 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>