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From: Vitaly Chikunov <vt@altlinux.org>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>,
	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
	linux-integrity@vger.kernel.org
Subject: [PATCH v1 3/5] ima-evm-utils: Fix memory leak in get_password
Date: Sat, 13 Jul 2019 00:28:31 +0300
Message-ID: <20190712212833.29280-3-vt@altlinux.org> (raw)
In-Reply-To: <20190712212833.29280-1-vt@altlinux.org>

Free password buffer when return NULL.
Partially fix CID 229894.
---
 src/evmctl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/evmctl.c b/src/evmctl.c
index e07cff4..c556d05 100644
--- a/src/evmctl.c
+++ b/src/evmctl.c
@@ -1827,6 +1827,7 @@ static char *get_password(void)
 
 	if (tcsetattr(fileno(stdin), TCSANOW, &tmp_flags) != 0) {
 		perror("tcsetattr");
+		free(password);
 		return NULL;
 	}
 
@@ -1836,6 +1837,7 @@ static char *get_password(void)
 	/* restore terminal */
 	if (tcsetattr(fileno(stdin), TCSANOW, &flags) != 0) {
 		perror("tcsetattr");
+		free(password);
 		return NULL;
 	}
 
-- 
2.11.0


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-12 21:28 [PATCH v1 1/5] ima-evm-utils: Fix null dereference from file2bin to memcpy Vitaly Chikunov
2019-07-12 21:28 ` [PATCH v1 2/5] ima-evm-utils: Fix possible strcpy overflow Vitaly Chikunov
2019-07-15 19:08   ` Mimi Zohar
2019-07-15 20:05     ` Vitaly Chikunov
2019-07-12 21:28 ` Vitaly Chikunov [this message]
2019-07-12 21:28 ` [PATCH v1 4/5] ima-evm-utils: Fix file2bin stat and fopen relations Vitaly Chikunov
2019-07-15 19:09   ` Mimi Zohar
2019-07-15 20:04     ` Vitaly Chikunov
2019-07-12 21:28 ` [PATCH v1 5/5] ima-evm-utils: Add more error checking in add_file_hash Vitaly Chikunov
2019-07-15 19:08 ` [PATCH v1 1/5] ima-evm-utils: Fix null dereference from file2bin to memcpy Mimi Zohar

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