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/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/scripts

Name	Size	Mode	Actions
basic/	-	0755	rm
clang-tools/	-	0755	rm
coccinelle/	-	0755	rm
dtc/	-	0755	rm
gcc-plugins/	-	0755	rm
gdb/	-	0755	rm
genksyms/	-	0755	rm
kconfig/	-	0755	rm
ksymoops/	-	0755	rm
mod/	-	0755	rm
package/	-	0755	rm
selinux/	-	0755	rm
adjust_autoksyms.sh	3010	0755	edit dl rm
asn1_compiler	28008	0755	edit dl rm
asn1_compiler.c	36391	0644	edit dl rm
bin2c	7024	0755	edit dl rm
bin2c.c	743	0644	edit dl rm
bloat-o-meter	3313	0755	edit dl rm
bootgraph.pl	6426	0755	edit dl rm
bpf_doc.py	25515	0755	edit dl rm
cc-can-link.sh	166	0755	edit dl rm
checkincludes.pl	1984	0755	edit dl rm
checkkconfigsymbols.py	15895	0755	edit dl rm
checkpatch.pl	197186	0755	edit dl rm
checkstack.pl	5303	0755	edit dl rm
checksyscalls.sh	7094	0755	edit dl rm
checkversion.pl	1938	0755	edit dl rm
check_00index.sh	1333	0755	edit dl rm
check_extable.sh	5049	0755	edit dl rm
clang-version.sh	635	0755	edit dl rm
cleanfile	3538	0755	edit dl rm
cleanpatch	5178	0755	edit dl rm
coccicheck	7407	0755	edit dl rm
config	4635	0755	edit dl rm
conmakehash	11616	0755	edit dl rm
conmakehash.c	6128	0644	edit dl rm
const_structs.checkpatch	964	0644	edit dl rm
decodecode	2525	0755	edit dl rm
decode_stacktrace.sh	3834	0755	edit dl rm
depmod.sh	1119	0755	edit dl rm
diffconfig	3821	0755	edit dl rm
documentation-file-ref-check	3548	0755	edit dl rm
export_report.pl	4654	0755	edit dl rm
extract-cert	11616	0755	edit dl rm
extract-cert.c	3541	0644	edit dl rm
extract-ikconfig	1734	0755	edit dl rm
extract-module-sig.pl	3742	0755	edit dl rm
extract-sys-certs.pl	3832	0755	edit dl rm
extract-vmlinux	1725	0755	edit dl rm
extract_xc3028.pl	45665	0755	edit dl rm
faddr2line	6303	0755	edit dl rm
file-size.sh	86	0755	edit dl rm
find-unused-docs.sh	1310	0755	edit dl rm
gcc-goto.sh	530	0755	edit dl rm
gcc-ld	711	0755	edit dl rm
gcc-plugin.sh	1090	0755	edit dl rm
gcc-version.sh	857	0755	edit dl rm
gcc-x86_32-has-stack-protector.sh	173	0755	edit dl rm
gcc-x86_64-has-stack-protector.sh	198	0755	edit dl rm
gen_initramfs_list.sh	8224	0755	edit dl rm
get_dvb_firmware	25824	0755	edit dl rm
get_maintainer.pl	67369	0755	edit dl rm
gfp-translate	1752	0755	edit dl rm
headerdep.pl	3582	0755	edit dl rm
headers.sh	512	0755	edit dl rm
headers_check.pl	3815	0755	edit dl rm
headers_install.sh	1397	0755	edit dl rm
insert-sys-cert.c	9084	0644	edit dl rm
kallsyms	19992	0755	edit dl rm
kallsyms.c	18580	0644	edit dl rm
Kbuild.include	15468	0644	edit dl rm
Kconfig.include	1173	0644	edit dl rm
kernel-doc	62560	0755	edit dl rm
ld-version.sh	269	0755	edit dl rm
leaking_addresses.pl	13160	0755	edit dl rm
Lindent	502	0755	edit dl rm
link-vmlinux.sh	9176	0755	edit dl rm
Makefile	1741	0644	edit dl rm
Makefile.asm-generic	1193	0644	edit dl rm
Makefile.build	19707	0644	edit dl rm
Makefile.clean	2883	0644	edit dl rm
Makefile.dtbinst	1116	0644	edit dl rm
Makefile.extrawarn	2770	0644	edit dl rm
Makefile.gcc-plugins	1861	0644	edit dl rm
Makefile.headersinst	4079	0644	edit dl rm
Makefile.host	6520	0644	edit dl rm
Makefile.kasan	1679	0644	edit dl rm
Makefile.kcov	319	0644	edit dl rm
Makefile.kcsan	118	0644	edit dl rm
Makefile.lib	15535	0644	edit dl rm
Makefile.modbuiltin	1717	0644	edit dl rm
Makefile.modinst	1149	0644	edit dl rm
Makefile.modpost	5430	0644	edit dl rm
Makefile.modsign	897	0644	edit dl rm
Makefile.ubsan	951	0644	edit dl rm
makelst	808	0755	edit dl rm
markup_oops.pl	8273	0755	edit dl rm
mkcompile_h	2628	0755	edit dl rm
mkmakefile	1218	0755	edit dl rm
mksysmap	1359	0755	edit dl rm
mkuboot.sh	414	0755	edit dl rm
module-common.lds	901	0644	edit dl rm
modules.order	0	0644	edit dl rm
namespace.pl	13358	0755	edit dl rm
objdiff	2917	0755	edit dl rm
parse-maintainers.pl	4646	0755	edit dl rm
patch-kernel	10185	0755	edit dl rm
pnmtologo	15720	0755	edit dl rm
pnmtologo.c	12197	0644	edit dl rm
profile2linkerlist.pl	410	0755	edit dl rm
prune-kernel	708	0755	edit dl rm
recordmcount	24008	0755	edit dl rm
recordmcount.c	17062	0644	edit dl rm
recordmcount.h	16772	0644	edit dl rm
recordmcount.pl	18709	0755	edit dl rm
setlocalversion	4013	0755	edit dl rm
show_delta	3076	0755	edit dl rm
sign-file	15768	0755	edit dl rm
sign-file.c	9994	0644	edit dl rm
sortextable	15712	0755	edit dl rm
sortextable.c	10411	0644	edit dl rm
sortextable.h	5614	0644	edit dl rm
spelling.txt	25611	0644	edit dl rm
sphinx-pre-install	14378	0755	edit dl rm
split-man.pl	600	0755	edit dl rm
stackdelta	1883	0755	edit dl rm
stackusage	794	0755	edit dl rm
subarch.include	641	0644	edit dl rm
tags.sh	9789	0755	edit dl rm
test_fortify.sh	2281	0644	edit dl rm
unifdef	36192	0755	edit dl rm
unifdef.c	35637	0644	edit dl rm
ver_linux	2747	0755	edit dl rm
xen-hypercalls.sh	386	0644	edit dl rm
xz_wrap.sh	562	0755	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/scripts/checkkconfigsymbols.py (15895B)

#!/usr/libexec/platform-python

"""Find Kconfig symbols that are referenced but not defined."""

# (c) 2014-2017 Valentin Rothberg <valentinrothberg@gmail.com>
# (c) 2014 Stefan Hengelein <stefan.hengelein@fau.de>
#
# Licensed under the terms of the GNU GPL License version 2

import argparse
import difflib
import os
import re
import signal
import subprocess
import sys
from multiprocessing import Pool, cpu_count

# regex expressions
OPERATORS = r"&|$|$|\||\!"
SYMBOL = r"(?:\w*[A-Z0-9]\w*){2,}"
DEF = r"^\s*(?:menu){,1}config\s+(" + SYMBOL + r")\s*"
EXPR = r"(?:" + OPERATORS + r"|\s|" + SYMBOL + r")+"
DEFAULT = r"default\s+.*?(?:if\s.+){,1}"
STMT = r"^\s*(?:if|select|imply|depends\s+on|(?:" + DEFAULT + r"))\s+" + EXPR
SOURCE_SYMBOL = r"(?:\W|\b)+[D]{,1}CONFIG_(" + SYMBOL + r")"

# regex objects
REGEX_FILE_KCONFIG = re.compile(r".*Kconfig[\.\w+\-]*$")
REGEX_SYMBOL = re.compile(r'(?!\B)' + SYMBOL + r'(?!\B)')
REGEX_SOURCE_SYMBOL = re.compile(SOURCE_SYMBOL)
REGEX_KCONFIG_DEF = re.compile(DEF)
REGEX_KCONFIG_EXPR = re.compile(EXPR)
REGEX_KCONFIG_STMT = re.compile(STMT)
REGEX_KCONFIG_HELP = re.compile(r"^\s+(help|---help---)\s*$")
REGEX_FILTER_SYMBOLS = re.compile(r"[A-Za-z0-9]$")
REGEX_NUMERIC = re.compile(r"0[xX][0-9a-fA-F]+|[0-9]+")
REGEX_QUOTES = re.compile("(\"(.*?)\")")

def parse_options():
    """The user interface of this module."""
    usage = "Run this tool to detect Kconfig symbols that are referenced but " \
            "not defined in Kconfig.  If no option is specified, "             \
            "checkkconfigsymbols defaults to check your current tree.  "       \
            "Please note that specifying commits will 'git reset --hard\' "    \
            "your current tree!  You may save uncommitted changes to avoid "   \
            "losing data."

parser = argparse.ArgumentParser(description=usage)

parser.add_argument('-c', '--commit', dest='commit', action='store',
                        default="",
                        help="check if the specified commit (hash) introduces "
                             "undefined Kconfig symbols")

parser.add_argument('-d', '--diff', dest='diff', action='store',
                        default="",
                        help="diff undefined symbols between two commits "
                             "(e.g., -d commmit1..commit2)")

parser.add_argument('-f', '--find', dest='find', action='store_true',
                        default=False,
                        help="find and show commits that may cause symbols to be "
                             "missing (required to run with --diff)")

parser.add_argument('-i', '--ignore', dest='ignore', action='store',
                        default="",
                        help="ignore files matching this Python regex "
                             "(e.g., -i '.*defconfig')")

parser.add_argument('-s', '--sim', dest='sim', action='store', default="",
                        help="print a list of max. 10 string-similar symbols")

parser.add_argument('--force', dest='force', action='store_true',
                        default=False,
                        help="reset current Git tree even when it's dirty")

parser.add_argument('--no-color', dest='color', action='store_false',
                        default=True,
                        help="don't print colored output (default when not "
                             "outputting to a terminal)")

args = parser.parse_args()

if args.commit and args.diff:
        sys.exit("Please specify only one option at once.")

if args.diff and not re.match(r"^[\w\-\.\^]+\.\.[\w\-\.\^]+$", args.diff):
        sys.exit("Please specify valid input in the following format: "
                 "\'commit1..commit2\'")

if args.commit or args.diff:
        if not args.force and tree_is_dirty():
            sys.exit("The current Git tree is dirty (see 'git status').  "
                     "Running this script may\ndelete important data since it "
                     "calls 'git reset --hard' for some performance\nreasons. "
                     " Please run this script in a clean Git tree or pass "
                     "'--force' if you\nwant to ignore this warning and "
                     "continue.")

if args.commit:
        args.find = False

if args.ignore:
        try:
            re.match(args.ignore, "this/is/just/a/test.c")
        except:
            sys.exit("Please specify a valid Python regex.")

return args

def main():
    """Main function of this module."""
    args = parse_options()

global COLOR
    COLOR = args.color and sys.stdout.isatty()

if args.sim and not args.commit and not args.diff:
        sims = find_sims(args.sim, args.ignore)
        if sims:
            print("%s: %s" % (yel("Similar symbols"), ', '.join(sims)))
        else:
            print("%s: no similar symbols found" % yel("Similar symbols"))
        sys.exit(0)

# dictionary of (un)defined symbols
    defined = {}
    undefined = {}

if args.commit or args.diff:
        head = get_head()

# get commit range
        commit_a = None
        commit_b = None
        if args.commit:
            commit_a = args.commit + "~"
            commit_b = args.commit
        elif args.diff:
            split = args.diff.split("..")
            commit_a = split[0]
            commit_b = split[1]
            undefined_a = {}
            undefined_b = {}

# get undefined items before the commit
        reset(commit_a)
        undefined_a, _ = check_symbols(args.ignore)

# get undefined items for the commit
        reset(commit_b)
        undefined_b, defined = check_symbols(args.ignore)

# report cases that are present for the commit but not before
        for symbol in sorted(undefined_b):
            # symbol has not been undefined before
            if symbol not in undefined_a:
                files = sorted(undefined_b.get(symbol))
                undefined[symbol] = files
            # check if there are new files that reference the undefined symbol
            else:
                files = sorted(undefined_b.get(symbol) -
                               undefined_a.get(symbol))
                if files:
                    undefined[symbol] = files

# reset to head
        reset(head)

# default to check the entire tree
    else:
        undefined, defined = check_symbols(args.ignore)

# now print the output
    for symbol in sorted(undefined):
        print(red(symbol))

files = sorted(undefined.get(symbol))
        print("%s: %s" % (yel("Referencing files"), ", ".join(files)))

sims = find_sims(symbol, args.ignore, defined)
        sims_out = yel("Similar symbols")
        if sims:
            print("%s: %s" % (sims_out, ', '.join(sims)))
        else:
            print("%s: %s" % (sims_out, "no similar symbols found"))

if args.find:
            print("%s:" % yel("Commits changing symbol"))
            commits = find_commits(symbol, args.diff)
            if commits:
                for commit in commits:
                    commit = commit.split(" ", 1)
                    print("\t- %s (\"%s\")" % (yel(commit[0]), commit[1]))
            else:
                print("\t- no commit found")
        print()  # new line

def reset(commit):
    """Reset current git tree to %commit."""
    execute(["git", "reset", "--hard", commit])

def yel(string):
    """
    Color %string yellow.
    """
    return "\033[33m%s\033[0m" % string if COLOR else string

def red(string):
    """
    Color %string red.
    """
    return "\033[31m%s\033[0m" % string if COLOR else string

def execute(cmd):
    """Execute %cmd and return stdout.  Exit in case of error."""
    try:
        stdout = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=False)
        stdout = stdout.decode(errors='replace')
    except subprocess.CalledProcessError as fail:
        exit(fail)
    return stdout

def find_commits(symbol, diff):
    """Find commits changing %symbol in the given range of %diff."""
    commits = execute(["git", "log", "--pretty=oneline",
                       "--abbrev-commit", "-G",
                       symbol, diff])
    return [x for x in commits.split("\n") if x]

def tree_is_dirty():
    """Return true if the current working tree is dirty (i.e., if any file has
    been added, deleted, modified, renamed or copied but not committed)."""
    stdout = execute(["git", "status", "--porcelain"])
    for line in stdout:
        if re.findall(r"[URMADC]{1}", line[:2]):
            return True
    return False

def get_head():
    """Return commit hash of current HEAD."""
    stdout = execute(["git", "rev-parse", "HEAD"])
    return stdout.strip('\n')

def partition(lst, size):
    """Partition list @lst into eveni-sized lists of size @size."""
    return [lst[i::size] for i in range(size)]

def init_worker():
    """Set signal handler to ignore SIGINT."""
    signal.signal(signal.SIGINT, signal.SIG_IGN)

def find_sims(symbol, ignore, defined=[]):
    """Return a list of max. ten Kconfig symbols that are string-similar to
    @symbol."""
    if defined:
        return difflib.get_close_matches(symbol, set(defined), 10)

pool = Pool(cpu_count(), init_worker)
    kfiles = []
    for gitfile in get_files():
        if REGEX_FILE_KCONFIG.match(gitfile):
            kfiles.append(gitfile)

arglist = []
    for part in partition(kfiles, cpu_count()):
        arglist.append((part, ignore))

for res in pool.map(parse_kconfig_files, arglist):
        defined.extend(res[0])

return difflib.get_close_matches(symbol, set(defined), 10)

def get_files():
    """Return a list of all files in the current git directory."""
    # use 'git ls-files' to get the worklist
    stdout = execute(["git", "ls-files"])
    if len(stdout) > 0 and stdout[-1] == "\n":
        stdout = stdout[:-1]

files = []
    for gitfile in stdout.rsplit("\n"):
        if ".git" in gitfile or "ChangeLog" in gitfile or      \
                ".log" in gitfile or os.path.isdir(gitfile) or \
                gitfile.startswith("tools/"):
            continue
        files.append(gitfile)
    return files

def check_symbols(ignore):
    """Find undefined Kconfig symbols and return a dict with the symbol as key
    and a list of referencing files as value.  Files matching %ignore are not
    checked for undefined symbols."""
    pool = Pool(cpu_count(), init_worker)
    try:
        return check_symbols_helper(pool, ignore)
    except KeyboardInterrupt:
        pool.terminate()
        pool.join()
        sys.exit(1)

def check_symbols_helper(pool, ignore):
    """Helper method for check_symbols().  Used to catch keyboard interrupts in
    check_symbols() in order to properly terminate running worker processes."""
    source_files = []
    kconfig_files = []
    defined_symbols = []
    referenced_symbols = dict()  # {file: [symbols]}

for gitfile in get_files():
        if REGEX_FILE_KCONFIG.match(gitfile):
            kconfig_files.append(gitfile)
        else:
            if ignore and not re.match(ignore, gitfile):
                continue
            # add source files that do not match the ignore pattern
            source_files.append(gitfile)

# parse source files
    arglist = partition(source_files, cpu_count())
    for res in pool.map(parse_source_files, arglist):
        referenced_symbols.update(res)

# parse kconfig files
    arglist = []
    for part in partition(kconfig_files, cpu_count()):
        arglist.append((part, ignore))
    for res in pool.map(parse_kconfig_files, arglist):
        defined_symbols.extend(res[0])
        referenced_symbols.update(res[1])
    defined_symbols = set(defined_symbols)

# inverse mapping of referenced_symbols to dict(symbol: [files])
    inv_map = dict()
    for _file, symbols in referenced_symbols.items():
        for symbol in symbols:
            inv_map[symbol] = inv_map.get(symbol, set())
            inv_map[symbol].add(_file)
    referenced_symbols = inv_map

undefined = {}  # {symbol: [files]}
    for symbol in sorted(referenced_symbols):
        # filter some false positives
        if symbol == "FOO" or symbol == "BAR" or \
                symbol == "FOO_BAR" or symbol == "XXX":
            continue
        if symbol not in defined_symbols:
            if symbol.endswith("_MODULE"):
                # avoid false positives for kernel modules
                if symbol[:-len("_MODULE")] in defined_symbols:
                    continue
            undefined[symbol] = referenced_symbols.get(symbol)
    return undefined, defined_symbols

def parse_source_files(source_files):
    """Parse each source file in @source_files and return dictionary with source
    files as keys and lists of references Kconfig symbols as values."""
    referenced_symbols = dict()
    for sfile in source_files:
        referenced_symbols[sfile] = parse_source_file(sfile)
    return referenced_symbols

def parse_source_file(sfile):
    """Parse @sfile and return a list of referenced Kconfig symbols."""
    lines = []
    references = []

if not os.path.exists(sfile):
        return references

with open(sfile, "r", encoding='utf-8', errors='replace') as stream:
        lines = stream.readlines()

for line in lines:
        if "CONFIG_" not in line:
            continue
        symbols = REGEX_SOURCE_SYMBOL.findall(line)
        for symbol in symbols:
            if not REGEX_FILTER_SYMBOLS.search(symbol):
                continue
            references.append(symbol)

return references

def get_symbols_in_line(line):
    """Return mentioned Kconfig symbols in @line."""
    return REGEX_SYMBOL.findall(line)

def parse_kconfig_files(args):
    """Parse kconfig files and return tuple of defined and references Kconfig
    symbols.  Note, @args is a tuple of a list of files and the @ignore
    pattern."""
    kconfig_files = args[0]
    ignore = args[1]
    defined_symbols = []
    referenced_symbols = dict()

for kfile in kconfig_files:
        defined, references = parse_kconfig_file(kfile)
        defined_symbols.extend(defined)
        if ignore and re.match(ignore, kfile):
            # do not collect references for files that match the ignore pattern
            continue
        referenced_symbols[kfile] = references
    return (defined_symbols, referenced_symbols)

def parse_kconfig_file(kfile):
    """Parse @kfile and update symbol definitions and references."""
    lines = []
    defined = []
    references = []
    skip = False

if not os.path.exists(kfile):
        return defined, references

with open(kfile, "r", encoding='utf-8', errors='replace') as stream:
        lines = stream.readlines()

for i in range(len(lines)):
        line = lines[i]
        line = line.strip('\n')
        line = line.split("#")[0]  # ignore comments

if REGEX_KCONFIG_DEF.match(line):
            symbol_def = REGEX_KCONFIG_DEF.findall(line)
            defined.append(symbol_def[0])
            skip = False
        elif REGEX_KCONFIG_HELP.match(line):
            skip = True
        elif skip:
            # ignore content of help messages
            pass
        elif REGEX_KCONFIG_STMT.match(line):
            line = REGEX_QUOTES.sub("", line)
            symbols = get_symbols_in_line(line)
            # multi-line statements
            while line.endswith("\\"):
                i += 1
                line = lines[i]
                line = line.strip('\n')
                symbols.extend(get_symbols_in_line(line))
            for symbol in set(symbols):
                if REGEX_NUMERIC.match(symbol):
                    # ignore numeric values
                    continue
                references.append(symbol)

return defined, references

if __name__ == "__main__":
    main()

cmd: