sys_linux: check if execveat is defined

The syscall is missing on older systems.

diff --git a/sys_linux.c b/sys_linux.c
index 9f3171020013723e45460e1879be2264fbbc413f..50c084313bef715f278d319c16b77942ec4e9463 100644 (file)
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -616,7 +616,9 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
 
   const int denied_any[] = {
     SCMP_SYS(execve),
+#ifdef __NR_execveat
     SCMP_SYS(execveat),
+#endif
     SCMP_SYS(fork),
     SCMP_SYS(ptrace),
     SCMP_SYS(vfork),