diff options
| author | Eric Biggers <ebiggers@google.com> | 2018-09-07 14:33:24 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-13 11:16:57 -0800 |
| commit | 53de32d0417ce8eee809283e9f8e9f2c5fc1ce60 (patch) | |
| tree | 6d04d12667e837738d1da6fc2e548cd55431037b /security | |
| parent | 491cd0629de3665bb5911fafd9c17dfe5fa04cf4 (diff) | |
ima: fix showing large 'violations' or 'runtime_measurements_count'
commit 1e4c8dafbb6bf72fb5eca035b861e39c5896c2b7 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/ima_fs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c index 3df46906492d..44b44d7e0dbc 100644 --- a/security/integrity/ima/ima_fs.c +++ b/security/integrity/ima/ima_fs.c @@ -29,14 +29,14 @@ static DEFINE_MUTEX(ima_write_mutex); 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); } |