From: Leon Romanovsky <leon@kernel.org>
To: lirongqing <lirongqing@baidu.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
Yishai Hadas <yishaih@mellanox.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RDMA/uverbs: Reject WQ creation without a completion queue
Date: Thu, 10 Sep 2026 15:33:18 +0300 [thread overview]
Message-ID: <20260910123318.GQ13683@unreal> (raw)
In-Reply-To: <20260907113918.2315-1-lirongqing@baidu.com>
On Mon, Sep 07, 2026 at 07:39:18PM +0800, lirongqing wrote:
> From: Li RongQing <lirongqing@baidu.com>
>
> UVERBS_ATTR_CREATE_WQ_CQ_HANDLE is declared UA_OPTIONAL in the ioctl
> method definition, so the mandatory attribute bitmap does not enforce
> its presence. When userspace omits it, uverbs_attr_get_obj() returns
> ERR_PTR(-ENOENT) and the handler stores that error pointer into
> wq_init_attr.cq without validation.
That handle should be mandatory, declare it as UA_MANDATORY.
Thanks
prev parent reply other threads:[~2026-09-10 12:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-07 11:39 lirongqing
2026-09-10 12:33 ` Leon Romanovsky [this message]
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