netdev - Re: [PATCH net v2] net/mlx5e: Fix NULL deref in mlx5e_tir_builder

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Message-ID: <CAH-L+nPKOVW-EKJ-LcOCGh-DUG4HxfVePnvvKzgmUUjvyUQMPg@mail.gmail.com>
Date: Wed, 25 Sep 2024 07:31:47 +0530
From: Kalesh Anakkur Purayil <kalesh-anakkur.purayil@...adcom.com>
To: Elena Salomatkina <esalomatkina@...ras.ru>
Cc: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Maxim Mikityanskiy <maximmi@...dia.com>, Tariq Toukan <tariqt@...dia.com>, Maor Dickman <maord@...dia.com>, 
	netdev@...r.kernel.org, linux-rdma@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()

On Tue, Sep 24, 2024 at 9:31 PM Elena Salomatkina
<esalomatkina@...ras.ru> wrote:
>
> In mlx5e_tir_builder_alloc() kvzalloc() may return NULL
> which is dereferenced on the next line in a reference
> to the modify field.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: a6696735d694 ("net/mlx5e: Convert TIR to a dedicated object")
> Signed-off-by: Elena Salomatkina <esalomatkina@...ras.ru>
LGTM
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@...adcom.com>


-- 
Regards,
Kalesh A P

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