Thread (18 messages) 18 messages, 3 authors, 2025-10-28

Re: [PATCH v3 net-next 0/8] sctp: Avoid redundant initialisation in sctp_accept() and sctp_do_peeloff().

From: patchwork-bot+netdevbpf@kernel.org
Date: 2025-10-28 01:20:51
Also in: linux-sctp

Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski [off-list ref]:

On Thu, 23 Oct 2025 23:16:49 +0000 you wrote:
When sctp_accept() and sctp_do_peeloff() allocates a new socket,
somehow sk_alloc() is used, and the new socket goes through full
initialisation, but most of the fields are overwritten later.

  1)
  sctp_accept()
  |- sctp_v[46]_create_accept_sk()
  |  |- sk_alloc()
  |  |- sock_init_data()
  |  |- sctp_copy_sock()
  |  `- newsk->sk_prot->init() / sctp_init_sock()
  |
  `- sctp_sock_migrate()
     `- sctp_copy_descendant(newsk, oldsk)

[...]
Here is the summary with links:
  - [v3,net-next,1/8] sctp: Defer SCTP_DBG_OBJCNT_DEC() to sctp_destroy_sock().
    https://git.kernel.org/netdev/net-next/c/622e8838a298
  - [v3,net-next,2/8] sctp: Don't copy sk_sndbuf and sk_rcvbuf in sctp_sock_migrate().
    https://git.kernel.org/netdev/net-next/c/2d4df59aae91
  - [v3,net-next,3/8] sctp: Don't call sk->sk_prot->init() in sctp_v[46]_create_accept_sk().
    https://git.kernel.org/netdev/net-next/c/b7185792f80a
  - [v3,net-next,4/8] net: Add sk_clone().
    https://git.kernel.org/netdev/net-next/c/151b98d10ef7
  - [v3,net-next,5/8] sctp: Use sk_clone() in sctp_accept().
    https://git.kernel.org/netdev/net-next/c/16942cf4d3e3
  - [v3,net-next,6/8] sctp: Remove sctp_pf.create_accept_sk().
    https://git.kernel.org/netdev/net-next/c/c49ed521f177
  - [v3,net-next,7/8] sctp: Use sctp_clone_sock() in sctp_do_peeloff().
    https://git.kernel.org/netdev/net-next/c/b7ddb55f3127
  - [v3,net-next,8/8] sctp: Remove sctp_copy_sock() and sctp_copy_descendant().
    https://git.kernel.org/netdev/net-next/c/71068e2e1b6b

You are awesome, thank you!
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