sock_create_kern(9)

💖 sock_create_kern(9) 💖

okay so bestie, welcome to the Kernel API Manual — yes we're in kernel land today, and yes this one is lowkey iconic. it's giving "let me just make a socket real quick, but make it kernel space" ✨

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🎀 NAME 🎀

sock_create_kern — creates a socket (kernel space) 🫶

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🌸 SYNOPSIS 🌸

int sock_create_kern (struct net *net , int family , int type , int
protocol , struct socket **res );

like, that's the whole vibe. copy it exactly pls, no autocorrect 🙈

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✨ ARGUMENTS ✨

• net — the net namespace, bestie. that's your little networking bubble 💅
• family — the protocol family (AF_INET, ...) — pick your fighter 👑
• type — the communication type (SOCK_STREAM, ...) — the how of it all 🌈
• protocol — the protocol (0, ...) — yes, zero is a real answer, it's valid, don't come for it 😭
• res — your brand new socket goes here, main character delivery spot 🎁

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🦋 DESCRIPTION 🦋

so what does it actually do? it's a wrapper around __sock_create, periodt. 💀

it returns 0 or an error — that's it, that's the whole return contract, no cap.

and the little detail you literally cannot skip: this function internally uses GFP_KERNEL. that's not a vibe, that's a fact, write it down 🖊️

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💜 SEE ALSO 💜

okay this list is long, but we do not skip, we do not summarise, we list every single one because that's the rules 💅

first up, the kernel file: ./net/socket.c, then:

• move_addr_to_kernel(9)
• move_addr_to_user(9)
• sock_read_xattr(9)
• sock_alloc_file(9)
• sock_from_file(9)
• sockfd_lookup(9)
• sock_alloc(9)
• sock_release(9)
• sock_sendmsg(9)
• kernel_sendmsg(9)
• sock_recvmsg(9)
• kernel_recvmsg(9)
• sock_create_lite(9)
• __sock_create(9)
• sock_create(9)
• sock_register(9)
• sock_unregister(9)
• kernel_bind(9)
• kernel_listen(9)
• kernel_accept(9)
• kernel_connect(9)
• kernel_getsockname(9)
• kernel_getpeername(9)
• kernel_sock_shutdown(9)
• kernel_sock_ip_overhead(9)

go read them, i'll wait 🧚

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fr fr, that's the whole page. no secret extra options hiding in here — what you see is what you get 💖

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and that's a wrap, bestie!! this one came from ./net, dated October 2026, and it's filed under sock_create_kern(9) — slay, go make some kernel sockets responsibly 💅✨🎀