linux-kernel - [PATCH] checkpatch: Emit a warning on embedded filenames

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1fd5f9188a14acdca703ca00301ee323de672a8d.camel@perches.com>
Date:   Thu, 01 Oct 2020 11:28:10 -0700
From:   Joe Perches <joe@...ches.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andy Whitcroft <apw@...onical.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] checkpatch: Emit a warning on embedded filenames

Embedding the complete filename path inside the file
isn't particularly useful as often the path is moved
around and becomes incorrect.

Emit a warning when the source contains the filename.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a213cdb82ab0..84d2ee118c55 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3273,6 +3273,12 @@ sub process {
 			}
 		}
 
+# check for embedded filenames
+		if ($rawline =~ /^\+.*\Q$realfile\E/) { di
+			WARN("EMBEDDED_FILENAME",
+			     "It's generally not useful to have the filename in the file\n" . $herecurr);
+		}
+
 # check we are in a valid source file if not then ignore this hunk
 		next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/);