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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