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Subject: Re: [PATCH net] Revert "net/smc: Introduce TCP ULP support"
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <176983080486.3985311.3826362708256060586.git-patchwork-notify@kernel.org>
Date: Sat, 31 Jan 2026 03:40:04 +0000
References: <20260128055452.98251-1-alibuda@linux.alibaba.com>
In-Reply-To: <20260128055452.98251-1-alibuda@linux.alibaba.com>
To: D. Wythe <alibuda@linux.alibaba.com>
Cc: davem@davemloft.net, dust.li@linux.alibaba.com, edumazet@google.com,
 kuba@kernel.org, pabeni@redhat.com, sidraya@linux.ibm.com,
 wenjia@linux.ibm.com, mjambigi@linux.ibm.com, horms@kernel.org,
 tonylu@linux.alibaba.com, guwen@linux.alibaba.com,
 linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
 linux-s390@vger.kernel.org, netdev@vger.kernel.org,
 oliver.yang@linux.alibaba.com, viro@zeniv.linux.org.uk

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 28 Jan 2026 13:54:52 +0800 you wrote:
> This reverts commit d7cd421da9da2cc7b4d25b8537f66db5c8331c40.
> 
> As reported by Al Viro, the TCP ULP support for SMC is fundamentally
> broken. The implementation attempts to convert an active TCP socket
> into an SMC socket by modifying the underlying `struct file`, dentry,
> and inode in-place, which violates core VFS invariants that assume
> these structures are immutable for an open file, creating a risk of
> use after free errors and general system instability.
> 
> [...]

Here is the summary with links:
  - [net] Revert "net/smc: Introduce TCP ULP support"
    https://git.kernel.org/netdev/net-next/c/df31a6b0a305

You are awesome, thank you!
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