--- a/ntpd/ntp_sandbox.c +++ a/ntpd/ntp_sandbox.c @@ -463,6 +463,15 @@ int scmp_sc[] = { SCMP_SYS(send), SCMP_SYS(stat64), #endif +#if defined(__arm__) + SCMP_SYS(statx), +#endif +#if defined(__riscv32__) + SCMP_SYS(faccessat), +#endif +#if defined(__aarch64__) + SCMP_SYS(syscall); +#endif }; { for (unsigned int i = 0; i < COUNTOF(scmp_sc); i++) {