kernel: usercopy functions

2026-10-30 22:18:21 +00:00 · 2024-06-09 19:31:26 -03:00
parent 429f56aced
commit 50b4b45d00
53 changed files with 712 additions and 260 deletions
@@ -7,6 +7,11 @@ syscallret_t syscall_ioctl(context_t *, int fd, unsigned long request, void *arg
 		.ret = -1
 	};

+	if (IS_USER_ADDRESS(arg) == false) {
+		ret.errno = EFAULT;
+		return ret;
+	}
+
 	file_t *file = fd_get(fd);
 	if (file == NULL) {
 		ret.errno = EBADF;