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

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Message-ID: <dd887023-673c-4303-8707-14aab8ccb045@nvidia.com>
Date: Wed, 25 Sep 2024 09:17:19 +0300
From: Gal Pressman <gal@...dia.com>
To: Elena Salomatkina <esalomatkina@...ras.ru>, lvc-project@...uxtesting.org,
 Saeed Mahameed <saeedm@...dia.com>
Cc: 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 24/09/2024 19:00, Elena Salomatkina 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>

Thanks!
Reviewed-by: Gal Pressman <gal@...dia.com>