# Copyright 2018 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. read: 1 write: 1 stat64: 1 open: 1 openat: 1 close: 1 fstat64: 1 lstat64: 1 getdents64: 1 ioctl: arg1 == FIOCLEX pread64: 1 pwrite64: 1 # Disallow mmap with PROT_EXEC set. The syntax here doesn't allow bit # negation, thus the manually negated mask constant. mmap2: arg2 in 0xfffffffb mprotect: arg2 in 0xfffffffb rt_sigaction: 1 sigaltstack: 1 munmap: 1 utimensat: 1 brk: 1 uname: 1 accept4: 1 mkdir: 1 sched_getaffinity: 1 getpid: 1 ugetrlimit: 1 set_robust_list: 1 fcntl64: 1 socket: arg0 == AF_UNIX || arg0 == AF_VSOCK gettimeofday: 1 restart_syscall: 1 exit_group: 1 rt_sigreturn: 1 rename: 1 ftruncate64: 1 connect: 1 madvise: 1 rt_sigprocmask: 1 access: 1 ARM_set_tls: 1 _llseek: 1 exit: 1 fdatasync: 1 set_tid_address: 1 listen: 1 # Disallow clone's other than new threads. clone: arg0 & 0x00010000 statfs64: 1 link: 1 unlink: 1 fsync: 1 futex: 1 bind: 1 rmdir: 1 # Calling fchown with -1 as the uid/gid will change the ctime but do nothing else. fchown: arg1 == 0xffffffff && arg2 == 0xffffffff mremap: 1 fstatat64: 1 prlimit64: arg2 == 0 && arg3 != 0