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
next prev parent reply other threads:[~2026-04-28 2:15 UTC|newest]
Thread overview: 99+ 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
2026-04-25 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
-- strict thread matches above, loose matches on Subject: below --
2026-04-11 14:49 [PATCH rdma-next v2 00/15] RDMA: Introduce generic buffer descriptor infrastructure for umem Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 01/15] RDMA/core: " Jiri Pirko
2026-04-12 12:33 ` Michael Margolin
2026-04-13 8:32 ` Jiri Pirko
2026-04-13 16:02 ` Michael Margolin
2026-04-13 18:22 ` Jiri Pirko
2026-04-16 12:10 ` Michael Margolin
2026-04-16 13:34 ` Jiri Pirko
2026-04-21 12:50 ` Jason Gunthorpe
2026-04-21 12:52 ` Jason Gunthorpe
2026-04-22 10:32 ` Jiri Pirko
2026-04-22 16:30 ` Jason Gunthorpe
2026-04-21 13:46 ` Jason Gunthorpe
2026-04-22 11:33 ` Jiri Pirko
2026-04-22 14:06 ` Jiri Pirko
2026-04-22 16:51 ` Jason Gunthorpe
2026-04-23 13:08 ` Jiri Pirko
2026-04-23 15:08 ` Jason Gunthorpe
[not found] ` <20260426135340.GH440345@unreal>
2026-04-26 22:50 ` Jason Gunthorpe
2026-04-27 10:48 ` Jiri Pirko
2026-04-27 18:54 ` Leon Romanovsky
2026-04-28 8:50 ` Jiri Pirko
2026-04-27 19:01 ` Leon Romanovsky
2026-04-11 14:49 ` [PATCH rdma-next v2 02/15] RDMA/uverbs: Push out CQ buffer umem processing into a helper Jiri Pirko
2026-04-21 13:25 ` Jason Gunthorpe
2026-04-22 10:56 ` Jiri Pirko
2026-04-22 16:32 ` Jason Gunthorpe
2026-04-11 14:49 ` [PATCH rdma-next v2 03/15] RDMA/uverbs: Integrate umem_list into CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 04/15] RDMA/efa: Use umem_list for user CQ buffer Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 05/15] RDMA/mlx5: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 06/15] RDMA/bnxt_re: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 07/15] RDMA/mlx4: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 08/15] RDMA/uverbs: Remove legacy umem field from struct ib_cq Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 09/15] RDMA/uverbs: Verify all umem_list buffers are consumed after CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 10/15] RDMA/uverbs: Integrate umem_list into QP creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 11/15] RDMA/mlx5: Use umem_list for QP buffers in create_qp Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 12/15] RDMA/uverbs: Add doorbell record buffer slot to CQ umem_list Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 13/15] RDMA/mlx5: Use umem_list for CQ doorbell record Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 14/15] RDMA/uverbs: Add doorbell record buffer slot to QP umem_list Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 15/15] RDMA/mlx5: Use umem_list for QP doorbell record Jiri Pirko
2026-03-31 5:56 [PATCH v2 0/4] Firmware LSM hook Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 1/4] bpf: add firmware command validation hook Leon Romanovsky
2026-04-16 8:43 ` Matt Bobrowski
2026-03-31 5:56 ` [PATCH v2 2/4] selftests/bpf: add test cases for fw_validate_cmd hook Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 3/4] RDMA/mlx5: Externally validate FW commands supplied in DEVX interface Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 4/4] fwctl/mlx5: Externally validate FW commands supplied in fwctl Leon Romanovsky
2026-04-09 12:12 ` [PATCH v2 0/4] Firmware LSM hook Leon Romanovsky
2026-04-09 12:27 ` Roberto Sassu
2026-04-09 12:45 ` Leon Romanovsky
2026-04-09 21:04 ` Paul Moore
2026-04-12 9:00 ` Leon Romanovsky
2026-04-13 1:38 ` Paul Moore
2026-04-13 15:53 ` Leon Romanovsky
2026-04-13 16:42 ` Jason Gunthorpe
2026-04-13 17:36 ` Casey Schaufler
2026-04-13 19:09 ` Casey Schaufler
2026-04-13 22:36 ` Paul Moore
2026-04-13 23:19 ` Jason Gunthorpe
2026-04-14 17:05 ` Casey Schaufler
2026-04-14 19:09 ` Paul Moore
2026-04-14 20:09 ` Casey Schaufler
2026-04-14 20:44 ` Paul Moore
2026-04-14 22:42 ` Casey Schaufler
2026-04-15 21:03 ` Paul Moore
2026-04-15 21:21 ` Casey Schaufler
2026-04-14 20:27 ` Paul Moore
2026-04-15 13:47 ` Jason Gunthorpe
2026-04-15 21:40 ` Paul Moore
2026-04-17 19:17 ` Jason Gunthorpe
2026-04-21 0:58 ` Paul Moore
2026-04-24 14:36 ` Jason Gunthorpe
2026-04-24 20:59 ` Paul Moore
2026-04-24 22:13 ` Jason Gunthorpe
2026-04-23 14:09 ` Leon Romanovsky
2026-04-24 14:19 ` Jason Gunthorpe
2026-04-26 10:39 ` Leon Romanovsky
[not found] ` <20260426134224.GC3501894@ziepe.ca>
2026-04-27 19:09 ` Leon Romanovsky
2026-04-23 13:05 ` Leon Romanovsky
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