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From: Zhu Yanjun <yanjun.zhu@linux.dev>
To: David Ahern <dsahern@kernel.org>, Kuniyuki Iwashima <kuniyu@google.com>
Cc: Zhu Yanjun <zyjzyj2000@gmail.com>, Jason Gunthorpe <jgg@ziepe.ca>,
	Leon Romanovsky <leon@kernel.org>,
	Kuniyuki Iwashima <kuni1840@gmail.com>,
	linux-rdma@vger.kernel.org,
	syzbot+d8f76778263ab65c2b21@syzkaller.appspotmail.com
Subject: Re: [PATCH v2 1/2] RDMA/rxe: Fix null-ptr-deref in kernel_sock_shutdown().
Date: Mon, 27 Apr 2026 19:15:14 -0700	[thread overview]
Message-ID: <0ef2f2e0-e437-4ec9-8ebe-21c702041acb@linux.dev> (raw)
In-Reply-To: <0c1258e2-7060-4084-9a07-dd7af8262dec@kernel.org>


在 2026/4/27 17:58, David Ahern 写道:
> On 4/27/26 6:52 PM, Kuniyuki Iwashima wrote:
>> To be clear, you meant implementing David' idea, right ?
>> I'm asking because dellink won't need locking then.
> dellink is not needed with my suggestion. It was added to manage
> basically a refcount on the socket to close on last rxe delete in the

This is my original implementation.

@Kuniyuki Iwashima, can you reproduce this problem in your local host or 
other test environments?

If yes, can you make tests after applying the commit in the link: 
https://patchwork.kernel.org/project/linux-rdma/patch/20260424043522.22901-1-yanjun.zhu@linux.dev/

Thanks a lot.

Zhu Yanjun

> namespace.

-- 
Best Regards,
Yanjun.Zhu


  reply	other threads:[~2026-04-28  2:15 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-25  6:04 [PATCH v2 0/2] RDMA/rxe: Fix per-netns UDP tunnel issues Kuniyuki Iwashima
2026-04-25  6:04 ` [PATCH v2 1/2] RDMA/rxe: Fix null-ptr-deref in kernel_sock_shutdown() Kuniyuki Iwashima
2026-04-25 15:47   ` David Ahern
2026-04-25 20:55     ` Kuniyuki Iwashima
2026-04-26 16:40       ` David Ahern
2026-04-25 21:25   ` Zhu Yanjun
2026-04-26 16:42     ` David Ahern
2026-04-27  2:57       ` Zhu Yanjun
2026-04-27  3:10         ` Kuniyuki Iwashima
2026-04-27  3:53           ` Zhu Yanjun
2026-04-27 14:38             ` David Ahern
2026-04-27 20:20               ` yanjun.zhu
2026-04-28  0:52                 ` Kuniyuki Iwashima
2026-04-28  0:58                   ` David Ahern
2026-04-28  2:15                     ` Zhu Yanjun [this message]
2026-04-28  5:12                       ` Zhu Yanjun
2026-04-28  5:22                         ` Kuniyuki Iwashima
2026-04-28  6:30                           ` Zhu Yanjun
2026-04-28  6:39                             ` Kuniyuki Iwashima
2026-04-28 16:56                               ` yanjun.zhu
2026-04-25  6:04 ` [PATCH v2 2/2] RDMA/rxe: Fix up RCU usage for rxe_ns_pernet_sk6() Kuniyuki Iwashima
2026-04-25 21:26   ` Zhu Yanjun

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