Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 154/222] ima: fix showing large violations or runtime_measurements_count | Date | Sun, 11 Nov 2018 14:24:11 -0800 |
| |
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eric Biggers <ebiggers@google.com>
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>
--- security/integrity/ima/ima_fs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- 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("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); }
| |