In order to avoid the 'count' size space of kbuf array is used up, but a "\0" is still added. Signed-off-by: Xin Hao <xhao@xxxxxxxxxxxxxxxxx> --- mm/damon/dbgfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c index faee070977d8..20c61eed54af 100644 --- a/mm/damon/dbgfs.c +++ b/mm/damon/dbgfs.c @@ -247,7 +247,7 @@ static ssize_t dbgfs_kdamond_pid_read(struct file *file, char *kbuf; ssize_t len; - kbuf = kmalloc(count, GFP_KERNEL); + kbuf = kmalloc(count + 1, GFP_KERNEL); if (!kbuf) return -ENOMEM; -- 2.31.0