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authorEric Biggers <ebiggers@google.com>2018-09-07 14:33:24 -0700
committerMimi Zohar <zohar@linux.ibm.com>2018-10-10 12:56:16 -0400
commit1e4c8dafbb6bf72fb5eca035b861e39c5896c2b7 (patch)
tree028e1d7d0332733c2b2d8dc23e3ab227a6dc2f37 /security
parent2ab5daf867d1f7898327962d59d3039206294d3a (diff)
downloadlinux-stericsson-1e4c8dafbb6bf72fb5eca035b861e39c5896c2b7.tar.gz
ima: fix showing large 'violations' or 'runtime_measurements_count'
The 12 character temporary buffer is not necessarily long enough to hold a 'long' value. Increase it. Signed-off-by: Eric Biggers <ebiggers@google.com> Cc: stable@vger.kernel.org Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security')
-rw-r--r--security/integrity/ima/ima_fs.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
index fe0ede883557..3183cc23d0f8 100644
--- a/security/integrity/ima/ima_fs.c
+++ b/security/integrity/ima/ima_fs.c
@@ -42,14 +42,14 @@ static int __init default_canonical_fmt_setup(char *str)
__setup("ima_canonical_fmt", default_canonical_fmt_setup);
static int valid_policy = 1;
-#define TMPBUFLEN 12
+
static ssize_t ima_show_htable_value(char __user *buf, size_t count,
loff_t *ppos, atomic_long_t *val)
{
- char tmpbuf[TMPBUFLEN];
+ char tmpbuf[32]; /* greater than largest 'long' string value */
ssize_t len;
- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val));
+ len = scnprintf(tmpbuf, sizeof(tmpbuf), "%li\n", atomic_long_read(val));
return simple_read_from_buffer(buf, count, ppos, tmpbuf, len);
}