From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>, Yili Zhang <zhangyili01@baidu.com>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] RDMA/nldev: Fix NULL deref in dumps of objects abandoned by DRIVER_FAILURE
Date: Tue, 29 Sep 2026 14:22:31 -0400 [thread overview]
Message-ID: <179070615109.3969314.1905636503207032165.b4-ty@kernel.org> (raw)
In-Reply-To: <20260923131239.6521-1-zhangyili01@baidu.com>
On Wed, 23 Sep 2026 21:12:39 +0800, Yili Zhang wrote:
> fill_res_cq_entry() dereferences
> cq->uobject->uevent.uobject.context->res.id unconditionally for user
> resources.
>
> This is normally safe by ordering: destroy_hw() removes the resource
> from the restrack before uverbs_destroy_uobject() clears ->context,
> and the XA_ZERO_ENTRY marker set by rdma_restrack_begin_del() hides
> the entry from concurrent netlink dumps.
>
> [...]
Applied, thanks!
[1/1] RDMA/nldev: Fix NULL deref in dumps of objects abandoned by DRIVER_FAILURE
https://git.kernel.org/rdma/rdma/c/9f4c322be27bf6
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2026-09-29 18:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 13:12 [PATCH v3] RDMA/nldev: Fix NULL deref in dumps of objects abandoned by DRIVER_FAILURE Yili Zhang
2026-09-23 13:22 ` sashiko-bot
2026-09-29 18:22 ` Leon Romanovsky [this message]
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