crosvm/seccomp/arm/vhost_net_device.policy

# 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.

close: 1
dup: 1
dup2: 1
exit_group: 1
futex: 1
gettimeofday: 1
# Whitelist vhost_net ioctls only.
# arg1 == VHOST_GET_FEATURES ||
# arg1 == VHOST_SET_FEATURES ||
# arg1 == VHOST_SET_OWNER ||
# arg1 == VHOST_RESET_OWNER ||
# arg1 == VHOST_SET_MEM_TABLE ||
# arg1 == VHOST_SET_LOG_BASE ||
# arg1 == VHOST_SET_LOG_FD ||
# arg1 == VHOST_SET_VRING_NUM ||
# arg1 == VHOST_SET_VRING_ADDR ||
# arg1 == VHOST_SET_VRING_BASE ||
# arg1 == VHOST_GET_VRING_BASE ||
# arg1 == VHOST_SET_VRING_KICK ||
# arg1 == VHOST_SET_VRING_CALL ||
# arg1 == VHOST_SET_VRING_ERR ||
# arg1 == VHOST_NET_SET_BACKEND
ioctl: arg1 == 0x8008af00 || arg1 == 0x4008af00 || arg1 == 0x0000af01 || arg1 == 0x0000af02 || arg1 == 0x4008af03 || arg1 == 0x4008af04 || arg1 == 0x4004af07 || arg1 == 0x4008af10 || arg1 == 0x4028af11 || arg1 == 0x4008af12 || arg1 == 0xc008af12 || arg1 == 0x4008af20 || arg1 == 0x4008af21 || arg1 == 0x4008af22 || arg1 == 0x4008af30
# 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
munmap: 1
poll: 1
ppoll: 1
read: 1
recv: 1
sched_getaffinity: 1
set_robust_list: 1
sigaltstack: 1
# Disallow clone's other than new threads.
# arg0 is flags. Because kernel.
clone: arg0 & 0x00010000
write: 1
getpid: 1
# Allow PR_SET_NAME only.
prctl: arg0 == 15
restart_syscall: 1
epoll_create1: 1
epoll_ctl: 1
epoll_wait: 1