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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id p2sm576691pgd.84.2021.09.29.15.02.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Sep 2021 15:02:23 -0700 (PDT) From: Kees Cook To: Peter Zijlstra Cc: Kees Cook , "Tobin C. Harding" , Tycho Andersen , linux-hardening@vger.kernel.org, kernel test robot , Vito Caputo , Jann Horn , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Andrew Morton , Christian Brauner , Anand K Mistry , "Kenta.Tada@sony.com" , Alexey Gladkov , =?utf-8?q?Michael_Wei=C3=9F?= , Michal Hocko , Helge Deller , Qi Zheng , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" , Mark Rutland , Jens Axboe , Stefan Metzmacher , Lai Jiangshan , Andy Lutomirski , Dave Hansen , "Eric W. Biederman" , Ohhoon Kwon , Kalesh Singh , YiFei Zhu , Josh Poimboeuf , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, x86@kernel.org Subject: [PATCH v2 6/6] leaking_addresses: Always print a trailing newline Date: Wed, 29 Sep 2021 15:02:18 -0700 Message-Id: <20210929220218.691419-7-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210929220218.691419-1-keescook@chromium.org> References: <20210929220218.691419-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1034; h=from:subject; bh=gRG/Q2MrocgVaHNX+D6+wn0nA1KaXO0grvA92z8kHco=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhVOJpJCOqg+W5SWXrgp1mr8bnFhnfCdWico8ZwiP5 /UURmdWJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYVTiaQAKCRCJcvTf3G3AJh9EEA CGh7l0IuvGKvTlNBIftnvwHCcGybMPaL+NoLj8Q2pXBA286EzXeLUQMmzKYZ8Nd9Nz2b9zwZkYGFRn PD8E1mcA5i6fvu1E0EnKJhbDAdHu2HrYMl6sQbDO7ktRye0z9jfjZ5VfiXQkY+EqKyoz7DCwn04XDr nMHuX2tbkdllWdOu8RKgWHg5WiCl1pp8gfuvx3HD0cAx/Wmbml34p/9tSmWXZnxgLKdkrpyme7jiwY lQxgNRV3i85T6cdRJIa9oIrU8GC5UGWW+mb43gH0xJC8rCj7WTZ7TtsfR18cQDwqyxRanWyV3v88sX 3VHTBz5vZe/nZ/e42QZmevNF/CtrpFcN4lYBc2oCEcdMcP2/mTy9ZZpGD6fGzjauMPq3et29rhgaai ulI53iwA+nb45Ws2ySpyuTPH0+I2YRBOhTr3lpxIoYq1NN8UqvWUYdhu1JoV4DGiVxqv6qrOBNyIiV vjtDjdVlLIXK/PlarcJ6tWCNYQmJmhS7d+BALx2PAmCOx67kEdCxKwTIJs9VJ6ETDPUORKDTR1bnod qMHp3dMi2rSDxypc+un39fnjpynqpAO4GHycrr55/PQkJJ1MO/Ttp8264Njz8ekWOv4EBIsRCLKdEu ibXp6FkICQ7j4zsLYQN9LiqRuG9CTkBP2B83gbSNTQSmQ+gu+KfS3wGGABrg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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 next 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 Cc: linux-hardening@vger.kernel.org Signed-off-by: Kees Cook Acked-by: Tycho Andersen --- 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;