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[PATCH 3.19.y-ckt 119/251] ima: fix ima_show_template_data_ascii()

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  [PATCH 3.19.y-ckt 119/251] ima: fix ima_show_template_data_ascii() Kamal Mostafa <kamal@canonical.com> - 2015-07-16 04:00 +0200

#1185346 — [PATCH 3.19.y-ckt 119/251] ima: fix ima_show_template_data_ascii()

3.19.8-ckt4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mimi Zohar <zohar@linux.vnet.ibm.com>

commit 45b26133b97871896b8c5241d59f4ff7839db7b2 upstream.

This patch fixes a bug introduced in "4d7aeee ima: define new template
ima-ng and template fields d-ng and n-ng".

Changelog:
- change int to uint32 (Roberto Sassu's suggestion)

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Roberto Sassu <rsassu@suse.de>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 security/integrity/ima/ima.h              | 2 +-
 security/integrity/ima/ima_fs.c           | 4 ++--
 security/integrity/ima/ima_template_lib.c | 3 ++-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index 8ee997d..fc56d4d 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -106,7 +106,7 @@ void ima_add_violation(struct file *file, const unsigned char *filename,
 		       const char *op, const char *cause);
 int ima_init_crypto(void);
 void ima_putc(struct seq_file *m, void *data, int datalen);
-void ima_print_digest(struct seq_file *m, u8 *digest, int size);
+void ima_print_digest(struct seq_file *m, u8 *digest, u32 size);
 struct ima_template_desc *ima_template_desc_current(void);
 int ima_init_template(void);
 
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
index 461215e..816d175 100644
--- a/security/integrity/ima/ima_fs.c
+++ b/security/integrity/ima/ima_fs.c
@@ -190,9 +190,9 @@ static const struct file_operations ima_measurements_ops = {
 	.release = seq_release,
 };
 
-void ima_print_digest(struct seq_file *m, u8 *digest, int size)
+void ima_print_digest(struct seq_file *m, u8 *digest, u32 size)
 {
-	int i;
+	u32 i;
 
 	for (i = 0; i < size; i++)
 		seq_printf(m, "%02x", *(digest + i));
diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c
index bcfc36c..61fbd0c 100644
--- a/security/integrity/ima/ima_template_lib.c
+++ b/security/integrity/ima/ima_template_lib.c
@@ -70,7 +70,8 @@ static void ima_show_template_data_ascii(struct seq_file *m,
 					 enum data_formats datafmt,
 					 struct ima_field_data *field_data)
 {
-	u8 *buf_ptr = field_data->data, buflen = field_data->len;
+	u8 *buf_ptr = field_data->data;
+	u32 buflen = field_data->len;
 
 	switch (datafmt) {
 	case DATA_FMT_DIGEST_WITH_ALGO:
-- 
1.9.1

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