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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id mv6sm7119740pjb.16.2021.09.23.23.20.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Sep 2021 23:20:16 -0700 (PDT) From: Kees Cook To: Andrew Morton Cc: Kees Cook , "Tobin C. Harding" , Tycho Andersen , Helge Deller , Qi Zheng , Vito Caputo , Josh Poimboeuf , Jann Horn , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Mark Rutland , Jens Axboe , Peter Zijlstra , Andy Lutomirski , Lai Jiangshan , Stefan Metzmacher , Dave Hansen , Christian Brauner , Michal Hocko , "Eric W. Biederman" , Randy Dunlap , Ohhoon Kwon , YiFei Zhu , kernel test robot , linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-hardening@vger.kernel.org, x86@kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 2/3] leaking_addresses: Always print a trailing newline Date: Thu, 23 Sep 2021 23:20:05 -0700 Message-Id: <20210924062006.231699-3-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210924062006.231699-1-keescook@chromium.org> References: <20210924062006.231699-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=996; h=from:subject; bh=5lftZQczWL2NYn7i81/S0r7+lfWbje0junTyfy2SMv4=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhTW4WqXBX8L5MwMB+PTMTeALNE3r8NpP8q4VzKbwS JIaNQbKJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYU1uFgAKCRCJcvTf3G3AJjsmD/ 0WuSkZwR3MGbYJDi4shdfA9ea0lTwo/tRcec1N+TaYDy/KTm+u1jXXMflO6EhMp32CoU0ioyG/x65p 3cdwzReovQO0YCwmOIAqf2F3IVn0FIRFh9fpBzOaZO35CiblK8jY6Sr+yopgV8yFw38C6TFPyxxFbX y6wMUbhtPEQR0i9FXwWv5GE2jayS2KDQJoJqgtJWzoi6MvYe8rqpy9bz+bJpg1fEMJdW3BwHeEtZW0 IeApnzknnnAfpfqTuQjq57P16eTsfQHpxIo46RkvtCfD5P56WP2VBp6VwruecAr3NSHzSD1Gxuh+vx pQDuXFagqcqmzlKzoUmAYkuuA1nSPoYra9FrOfYU+Hm2oJPl0PdzATH1TSAC4aOj1cvoFAB2TQWEHs H5sgt1jY7Xl7ywhgkZbcfaWxJpqWc83Rc2A6Xz9z60JFbFYq05EIpiXrxXys4fyAq7x9+HhKCHWJFy 4TX1ggdfIcR+wpXYm9xVv/I1bVtVcOjebcKApPtFrS4md0wAASDyN4+Ly1nxaK+Kigz3sGv9uExmP1 fryIdiZOMWL7kHOizYjbm1v1BvU3X1GBPIgvDq9RF7B1n5dyffkQeL5o1YHkuKTfv/H5vRmnfZ10zw kYBbLF+yKczyv0rDwse0oGg7c+hKDqq77KqXlBAq1JVe/IgvFllZ2fMNol4A== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For files that lack trailing newlines and match a leaking address (e.g. wchan[1]), the leaking_addresses.pl report would run together with the net line, making things look corrupted. Unconditionally remove the newline on input, and write it back out on output. [1] https://lore.kernel.org/all/20210103142726.GC30643@xsang-OptiPlex-9020/ Cc: "Tobin C. Harding" Cc: Tycho Andersen Signed-off-by: Kees Cook --- scripts/leaking_addresses.pl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl index b2d8b8aa2d99..8f636a23bc3f 100755 --- a/scripts/leaking_addresses.pl +++ b/scripts/leaking_addresses.pl @@ -455,8 +455,9 @@ sub parse_file open my $fh, "<", $file or return; while ( <$fh> ) { + chomp; if (may_leak_address($_)) { - print $file . ': ' . $_; + printf("$file: $_\n"); } } close $fh; -- 2.30.2