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From: Jason Gunthorpe <jgg@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Leon Romanovsky <leonro@nvidia.com>,
	linux-rdma@vger.kernel.org, Mark Zhang <markzhang@nvidia.com>,
	Michael Guralnik <michaelgur@nvidia.com>,
	Or Har-Toov <ohartoov@nvidia.com>,
	Patrisious Haddad <phaddad@nvidia.com>,
	Yishai Hadas <yishaih@nvidia.com>
Subject: Re: [PATCH rdma-rc 1/6] RDMA/cache: Release GID table even if leak is detected
Date: Tue, 4 Jun 2024 13:36:36 -0300	[thread overview]
Message-ID: <20240604163636.GK19897@nvidia.com> (raw)
In-Reply-To: <a62560af06ba82c88ef9194982bfa63d14768ff9.1716900410.git.leon@kernel.org>

On Tue, May 28, 2024 at 03:52:51PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
> 
> When the table is released, we nullify pointer to GID table, it means
> that in case GID entry leak is detected, we will leak table too.
> 
> Delete code that prevents table destruction.

This converts a memory leak into a UAF, it doesn't seem like a good direction??

Jason

  reply	other threads:[~2024-06-04 16:36 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-28 12:52 [PATCH rdma-rc 0/6] Batch of mlx5 fixes for v6.10 Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 1/6] RDMA/cache: Release GID table even if leak is detected Leon Romanovsky
2024-06-04 16:36   ` Jason Gunthorpe [this message]
2024-06-05  9:44     ` Leon Romanovsky
2024-06-05 11:47       ` Jason Gunthorpe
2024-06-21 13:21   ` Jason Gunthorpe
2024-06-24 13:23     ` Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 2/6] RDMA/mlx5: Remove extra unlock on error path Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 3/6] RDMA/mlx5: Follow rb_key.ats when creating new mkeys Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 4/6] RDMA/mlx5: Ensure created mkeys always have a populated rb_key Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 5/6] RDMA/mlx5: Fix unwind flow as part of mlx5_ib_stage_init_init Leon Romanovsky
2024-05-28 12:52 ` [PATCH rdma-rc 6/6] RDMA/mlx5: Add check for srq max_sge attribute Leon Romanovsky
2024-06-02  8:30 ` [PATCH rdma-rc 0/6] Batch of mlx5 fixes for v6.10 Leon Romanovsky

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