[moderation/CI] Re: uaccess: Prepare for masked user access on powerpc

[syzbot ci <syzbot+ci77807743ed5cbacd@syzkaller.appspotmail.com>]

syzbot ci has tested the following series

[v5] uaccess: Prepare for masked user access on powerpc
https://lore.kernel.org/all/cover.1763396724.git.christophe.leroy@csgroup.eu
* [PATCH v5 1/4] iov_iter: Convert copy_from_user_iter() to masked user access
* [PATCH v5 2/4] iov_iter: Add missing speculation barrier to copy_from_user_iter()
* [PATCH v5 3/4] scm: Convert put_cmsg() to scoped user access
* [PATCH v5 4/4] lib/strn*,uaccess: Use masked_user_{read/write}_access_begin when required

and found the following issue:
kernel build error

Full report is available here:
https://ci.syzbot.org/series/771de1b6-9b18-4cc1-b1ba-006b1799d4b5

***

kernel build error

tree:      net-next
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net-next.git
base:      c99ebb6132595b4b288a413981197eb076547c5a
arch:      amd64
compiler:  Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config:    https://ci.syzbot.org/builds/f324fa8a-207c-4830-8eec-90b212598e38/config

net/core/scm.c:276:3: error: call to undeclared function 'scoped_user_write_access_size'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
net/core/scm.c:276:51: error: expected ';' after expression
net/core/scm.c:276:44: error: use of undeclared identifier 'efault'
lib/strncpy_from_user.c:129:9: error: call to undeclared function 'masked_user_read_access_begin'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
lib/strncpy_from_user.c:129:7: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion]
lib/strnlen_user.c:102:9: error: call to undeclared function 'masked_user_read_access_begin'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
lib/strnlen_user.c:102:7: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion]

***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
  Tested-by: syzbot@syzkaller.appspotmail.com

---
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