From: Jason Gunthorpe <jgg@nvidia.com>
To: Li Zhijian <lizhijian@fujitsu.com>
Cc: Zhu Yanjun <zyjzyj2000@gmail.com>,
linux-rdma@vger.kernel.org, Bob Pearson <rpearsonhpe@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RDMA/rxe: Use kzalloc() to alloc map_set
Date: Fri, 20 May 2022 11:45:11 -0300 [thread overview]
Message-ID: <20220520144511.GA2302907@nvidia.com> (raw)
In-Reply-To: <20220518043725.771549-1-lizhijian@fujitsu.com>
On Wed, May 18, 2022 at 12:37:25PM +0800, Li Zhijian wrote:
> Below call chains will alloc map_set without fully initializing map_set.
> rxe_mr_init_fast()
> -> rxe_mr_alloc()
> -> rxe_mr_alloc_map_set()
>
> Uninitialized values inside struct rxe_map_set are possible to cause
> kernel panic.
If the value is uninitialized then why is 0 an OK value?
Would be happier to know the exact value that is not initialized
Jason
next prev parent reply other threads:[~2022-05-20 14:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 4:37 [PATCH] RDMA/rxe: Use kzalloc() to alloc map_set Li Zhijian
2022-05-20 14:45 ` Jason Gunthorpe [this message]
2022-05-23 14:02 ` Li, Zhijian
2022-05-24 3:59 ` lizhijian
2022-05-24 10:56 ` Haris Iqbal
2022-05-25 1:31 ` lizhijian
2022-05-25 4:11 ` Guoqing Jiang
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