scoped_user_..._access_size(9)

💅 scoped_user_..._access_size(9) — like, the Kernel API Manual page, bestie

okay so picture this: you're deep in the kernel, you've got a user space pointer, and you need a scoped read access with a size you actually know. that's this whole function. it's giving "responsible bestie who checks the size before she commits." 🎀

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✨ NAME ✨

scoped_user_read_access_size — start a scoped user read access with a given size. that's it, that's the vibe. 🦋

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🌸 SYNOPSIS 🌸

scoped_user_read_access_size (usrc , size , elbl );

copy it exactly like that, spaces and all, no cap. 💅

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🧚 ARGUMENTS 🧚

• usrc — pointer to the user space address you're reading from. this is where the data lives, bestie, be normal about it. 📍
• size — how big the access is, starting from usrc. yes, the size. it's in the name. iconic. 📏
• elbl — the error label to goto when the access region gets rejected. like an emergency ejection seat but make it a label. 😭

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👑 DESCRIPTION 👑

for further information, see __scoped_user_access above. that's the whole description fr fr — go look up, it's right there. ⬆️✨

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🔥 SEE ALSO 🔥

okay this list is long and honestly kind of iconic, here we go:

• the kernel file ./include/linux/uaccess.h 💖
• __copy_to_user_inatomic(9)
• probe_subpage_writeable(9)
• copy_struct_from_user(9)
• copy_struct_to_user(9)
• get_kernel_nofault(9)
• __scoped_user_access_begin(9)
• __scoped_user_access(9)
• scoped_user_read_access(9)
• scoped_user_write_access_size(9)
• scoped_user_write_access(9)
• scoped_user_rw_access_size(9)
• scoped_user_rw_access(9)
• get_user_inline(9)
• put_user_inline(9)

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and that's the page!! mwah. 💋 shoutout to ./include/linux, dated October 2026 — yeah you heard me, 2026, she's from the future and she still slays. 🫶🌈⭐