On Tue, Sep 10, 2024 at 12:44:32AM +0000, Dexuan Cui wrote: > hv_fcopy_uio_daemon.c:436:53: warning: '%s' directive output may be truncated > writing up to 14 bytes into a region of size 10 [-Wformat-truncation=] > 436 | snprintf(uio_dev_path, sizeof(uio_dev_path), "/dev/%s", uio_name); Makefile today doesn't have -Wformat-truncation flag enabled, I tried to add -Wformat-truncation=2 but I don't see any error in this file. Do you mind sharing more details how you get this error ? - Saurabh