From: Eric Biggers <ebiggers@xxxxxxxxxx> The 12 character temporary buffer is not necessarily long enough to hold a 'long' value. Increase it. Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> --- security/integrity/ima/ima_fs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c index fe0ede883557..9e239b1dea2f 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]; 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); } -- 2.19.0.rc2.392.g5ba43deb5a-goog