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-rwxr-xr-xscripts/checkpatch.pl12
1 files changed, 10 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6b79beb2751d..5748c35d0342 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -443,6 +443,14 @@ foreach my $entry (@mode_permission_funcs) {
$mode_perms_search .= $entry->[0];
}
+our $mode_perms_world_writable = qr{
+ S_IWUGO |
+ S_IWOTH |
+ S_IRWXUGO |
+ S_IALLUGO |
+ 0[0-7][0-7][2367]
+}x;
+
our $allowed_asm_includes = qr{(?x:
irq|
memory|
@@ -5356,8 +5364,8 @@ sub process {
}
}
- if ($line =~ /debugfs_create_file.*S_IWUGO/ ||
- $line =~ /DEVICE_ATTR.*S_IWUGO/ ) {
+ if ($line =~ /debugfs_create_\w+.*\b$mode_perms_world_writable\b/ ||
+ $line =~ /DEVICE_ATTR.*\b$mode_perms_world_writable\b/) {
WARN("EXPORTED_WORLD_WRITABLE",
"Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr);
}