diff options
| -rw-r--r-- | kernel/module/main.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/module/main.c b/kernel/module/main.c index 81f9df8859dc..120e51550a88 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -779,14 +779,16 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, struct module *mod; char name[MODULE_NAME_LEN]; char buf[MODULE_FLAGS_BUF_SIZE]; - int ret, forced = 0; + int ret, len, forced = 0; if (!capable(CAP_SYS_MODULE) || modules_disabled) return -EPERM; - if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0) - return -EFAULT; - name[MODULE_NAME_LEN-1] = '\0'; + len = strncpy_from_user(name, name_user, MODULE_NAME_LEN); + if (len == 0 || len == MODULE_NAME_LEN) + return -ENOENT; + if (len < 0) + return len; audit_log_kern_module(name); |