ima: fix showing large 'violations' or 'runtime_measurements_count'

[mirror_ubuntu-bionic-kernel.git] / security / integrity / ima / ima_fs.c

diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
index edbf3fb6a0f7ae42aa5d443d75389117051967b1..d767c98f4a4032672e85571bc7ab6aa80fd3e246 100644 (file)
--- a/security/integrity/ima/ima_fs.c
+++ b/security/integrity/ima/ima_fs.c
@@ -39,14 +39,14 @@ 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);
 }