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authorLinus Torvalds <torvalds@linux-foundation.org>2026-09-25 15:55:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-09-25 15:55:03 -0700
commit75467f60a3d14f08f86f2b353298d2826382ff23 (patch)
treeacd8a7d5b5a675042449386efa5b42ec44d8bf81 /scripts/checkincludes.pl
downloadlinux-stable-75467f60a3d14f08f86f2b353298d2826382ff23.tar.gz
linux-stable-75467f60a3d14f08f86f2b353298d2826382ff23.zip
Merge tag 'ipe-pr-20260925' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipegrafted
Pull IPE fixes from Fan Wu: "Two fixes for use-after-free issues found by recent LLM-assisted code analysis. - move successful policy load auditing under the new policy directory's inode lock, preventing a concurrent policy deletion from freeing the policy while it is still being audited - protect the dm-verity root hash with RCU, preventing policy evaluation from racing with root hash replacement during preresume" * tag 'ipe-pr-20260925' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe: ipe: protect the dm-verity root hash with RCU ipe: fix use-after-free when auditing a newly loaded policy
Diffstat (limited to 'scripts/checkincludes.pl')
-rwxr-xr-xscripts/checkincludes.pl98
1 files changed, 98 insertions, 0 deletions
diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl
new file mode 100755
index 000000000..b514a956d
--- /dev/null
+++ b/scripts/checkincludes.pl
@@ -0,0 +1,98 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# checkincludes: find/remove files included more than once
+#
+# Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.
+# Copyright 2009 Luis R. Rodriguez <mcgrof@gmail.com>
+#
+# This script checks for duplicate includes. It also has support
+# to remove them in place. Note that this will not take into
+# consideration macros so you should run this only if you know
+# you do have real dups and do not have them under #ifdef's. You
+# could also just review the results.
+
+use strict;
+
+sub usage {
+ print "Usage: checkincludes.pl [-r]\n";
+ print "By default we just warn of duplicates\n";
+ print "To remove duplicated includes in place use -r\n";
+ exit 1;
+}
+
+my $remove = 0;
+
+if ($#ARGV < 0) {
+ usage();
+}
+
+if ($#ARGV >= 1) {
+ if ($ARGV[0] =~ /^-/) {
+ if ($ARGV[0] eq "-r") {
+ $remove = 1;
+ shift;
+ } else {
+ usage();
+ }
+ }
+}
+
+my $dup_counter = 0;
+
+foreach my $file (@ARGV) {
+ open(my $f, '<', $file)
+ or die "Cannot open $file: $!.\n";
+
+ my %includedfiles = ();
+ my @file_lines = ();
+
+ while (<$f>) {
+ if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
+ ++$includedfiles{$1};
+ }
+ push(@file_lines, $_);
+ }
+
+ close($f);
+
+ if (!$remove) {
+ foreach my $filename (keys %includedfiles) {
+ if ($includedfiles{$filename} > 1) {
+ print "$file: $filename is included more than once.\n";
+ ++$dup_counter;
+ }
+ }
+ next;
+ }
+
+ open($f, '>', $file)
+ or die("Cannot write to $file: $!");
+
+ my $dups = 0;
+ foreach (@file_lines) {
+ if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
+ foreach my $filename (keys %includedfiles) {
+ if ($1 eq $filename) {
+ if ($includedfiles{$filename} > 1) {
+ $includedfiles{$filename}--;
+ $dups++;
+ ++$dup_counter;
+ } else {
+ print {$f} $_;
+ }
+ }
+ }
+ } else {
+ print {$f} $_;
+ }
+ }
+ if ($dups > 0) {
+ print "$file: removed $dups duplicate includes\n";
+ }
+ close($f);
+}
+
+if ($dup_counter == 0) {
+ print "No duplicate includes found.\n";
+}