Allow more syscalls in ldconfig

Author: 3XX0

src/nvc_ldcache.c

@@ -239,34 +239,51 @@ limit_syscalls(struct error *err)
                 SCMP_SYS(access),
                 SCMP_SYS(arch_prctl),
                 SCMP_SYS(brk),
+                SCMP_SYS(chdir),
                 SCMP_SYS(chmod),
                 SCMP_SYS(close),
                 SCMP_SYS(execve),
                 SCMP_SYS(execveat),
                 SCMP_SYS(exit),
+                SCMP_SYS(exit_group),
                 SCMP_SYS(fcntl),
                 SCMP_SYS(fstat),
                 SCMP_SYS(fsync),
+                SCMP_SYS(ftruncate),
+                SCMP_SYS(getcwd),
                 SCMP_SYS(getdents),
-                SCMP_SYS(gettid),
+                SCMP_SYS(getegid),
+                SCMP_SYS(geteuid),
+                SCMP_SYS(getgid),
                 SCMP_SYS(getpid),
+                SCMP_SYS(gettid),
                 SCMP_SYS(gettimeofday),
+                SCMP_SYS(getuid),
                 SCMP_SYS(lseek),
                 SCMP_SYS(lstat),
-                SCMP_SYS(mmap),
+                SCMP_SYS(mkdir),
                 SCMP_SYS(mprotect),
+                SCMP_SYS(mmap),
+                SCMP_SYS(mremap),
                 SCMP_SYS(munmap),
                 SCMP_SYS(newfstatat),
                 SCMP_SYS(open),
                 SCMP_SYS(openat),
                 SCMP_SYS(read),
                 SCMP_SYS(readlink),
+                SCMP_SYS(readv),
                 SCMP_SYS(rename),
+                SCMP_SYS(rt_sigaction),
+                SCMP_SYS(rt_sigprocmask),
+                SCMP_SYS(rt_sigreturn),
                 SCMP_SYS(stat),
                 SCMP_SYS(symlink),
+                SCMP_SYS(tgkill),
+                SCMP_SYS(time),
                 SCMP_SYS(uname),
                 SCMP_SYS(unlink),
                 SCMP_SYS(write),
+                SCMP_SYS(writev),
         };
         int rv = -1;