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| author | Eric Biggers | 2018-09-07 23:33:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2018-11-13 20:08:46 +0100 |
| commit | 13d3c98fa8037ecd5c8d4ed165150fad95f59e6f (patch) | |
| tree | 530fc234c7f1abf5833e6327dc7121392c172daf /security | |
| parent | userfaultfd: disable irqs when taking the waitqueue lock (diff) | |
| download | kernel-qcow2-linux-13d3c98fa8037ecd5c8d4ed165150fad95f59e6f.tar.gz kernel-qcow2-linux-13d3c98fa8037ecd5c8d4ed165150fad95f59e6f.tar.xz kernel-qcow2-linux-13d3c98fa8037ecd5c8d4ed165150fad95f59e6f.zip | |
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 ae9d5c766a3c..cfb8cc3b975e 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); } |