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-rw-r--r--kernel/kprobes.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index bddf3b201a48..6e33498d665c 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2332,6 +2332,7 @@ static ssize_t write_enabled_file_bool(struct file *file,
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
+ buf[buf_size] = '\0';
switch (buf[0]) {
case 'y':
case 'Y':
@@ -2343,6 +2344,8 @@ static ssize_t write_enabled_file_bool(struct file *file,
case '0':
disarm_all_kprobes();
break;
+ default:
+ return -EINVAL;
}
return count;