From: Leon Romanovsky <leon@kernel.org>
To: syzbot+d8f76778263ab65c2b21@syzkaller.appspotmail.com,
Edward Adam Davis <eadavis@qq.com>
Cc: akpm@linux-foundation.org, arjan@linux.intel.com,
davem@davemloft.net, dsahern@kernel.org, edumazet@google.com,
hdanton@sina.com, horms@kernel.org, jgg@ziepe.ca,
kuba@kernel.org, kuniyu@google.com,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
netdev@vger.kernel.org, pabeni@redhat.com,
syzkaller-bugs@googlegroups.com, yanjun.zhu@linux.dev,
zyjzyj2000@gmail.com, Kuniyuki Iwashima <kuniyu@google.com>
Subject: Re: [PATCH] RDMA/nldev: add mutual exclusion in nldev_dellink()
Date: Wed, 13 May 2026 14:17:28 -0400 [thread overview]
Message-ID: <177869624862.2335447.16979087766093395765.b4-ty@kernel.org> (raw)
In-Reply-To: <tencent_611BEB4B141B1A2526BAA3BBB2335F9E9108@qq.com>
On Thu, 07 May 2026 20:50:10 +0800, Edward Adam Davis wrote:
> We must serialize calls to nldev_dellink() or risk a crash as syzbot
> reported:
>
> Call Trace:
> udp_tunnel_sock_release+0x6d/0x80 net/ipv4/udp_tunnel_core.c:197
> rxe_release_udp_tunnel drivers/infiniband/sw/rxe/rxe_net.c:294 [inline]
> rxe_sock_put drivers/infiniband/sw/rxe/rxe_net.c:639 [inline]
> rxe_net_del+0xfb/0x290 drivers/infiniband/sw/rxe/rxe_net.c:660
> rxe_dellink+0x15/0x20 drivers/infiniband/sw/rxe/rxe.c:254
>
> [...]
Applied, thanks!
[1/1] RDMA/nldev: add mutual exclusion in nldev_dellink()
https://git.kernel.org/rdma/rdma/c/0b28000b64f40d
Best regards,
--
Leon Romanovsky <leon@kernel.org>
next prev parent reply other threads:[~2026-05-13 18:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-23 15:01 [syzbot] [net?] general protection fault in kernel_sock_shutdown (4) syzbot
2026-04-23 17:41 ` Jakub Kicinski
2026-04-24 16:47 ` Arjan van de Ven
2026-04-24 18:08 ` Arjan van de Ven
2026-05-06 13:48 ` [syzbot] [rdma] " syzbot
2026-05-06 14:28 ` Zhu Yanjun
2026-05-06 15:19 ` Kuniyuki Iwashima
2026-05-07 3:52 ` syzbot
2026-05-07 12:50 ` [PATCH] RDMA/nldev: add mutual exclusion in nldev_dellink() Edward Adam Davis
2026-05-07 13:25 ` Zhu Yanjun
2026-05-07 13:40 ` Edward Adam Davis
2026-05-07 14:11 ` Zhu Yanjun
2026-05-13 18:17 ` Leon Romanovsky [this message]
2026-05-13 23:46 ` Jason Gunthorpe
2026-05-14 5:15 ` [syzbot] [rdma] general protection fault in kernel_sock_shutdown (4) Zhu Yanjun
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