| # Copyright 2021 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. |
| # |
| # This seccomp policy is used by debugd while creating the sandbox to run the |
| # following command: |
| # ectool inventory |
| # |
| # This policy file was created using the following: |
| # - Following the instructions listed in: |
| # https://chromium.googlesource.com/chromiumos/docs/+/HEAD/ |
| # sandboxing.md#detailed-instructions-for-generating-a-seccomp-policy |
| # |
| # - Modifications to the ioctl settings based on similar usage in: |
| # src/platform2/diagnostics/cros_healthd/seccomp/ |
| # ectool_i2cread-seccomp-arm64.policy |
| openat: 1 |
| write: 1 |
| mmap: arg2 in ~PROT_EXEC |
| mprotect: arg2 in ~PROT_EXEC |
| fstat: 1 |
| newfstatat: 1 |
| close: 1 |
| read: 1 |
| # ioctl: |
| # arg1 == _IOC(_IOC_READ|_IOC_WRITE, 0xec, 0x0, 0x28) (0xc0283a00) || |
| # arg1 == CROS_EC_DEV_IOCRDMEM (0xc108ec01) || |
| # arg1 == CROS_EC_DEV_IOCXCMD (0xc014ec00) |
| # |
| # Driver type 0x3a (":") = CROS_EC_DEV_IOC |
| # (Old iotcl format, used by ChromeOS 3.18 and older) |
| # |
| # Driver type 0xec = CROS_EC_DEV_IOC_V2 |
| # (New ioctl format, used by ChromeOS 4.4 or later as well as upstream 4.0+) |
| # Please refer to src/platform/ec/util/cros_ec_dev.h for more info. |
| ioctl: arg1 == 0xc0283a00 || arg1 == 0xc108ec01 || arg1 == 0xc014ec00 |
| brk: 1 |
| rt_sigaction: 1 |
| faccessat: 1 |
| faccessat2: 1 |
| munmap: 1 |
| set_tid_address: 1 |
| set_robust_list: 1 |
| rt_sigprocmask: 1 |
| prlimit64: 1 |
| uname: 1 |
| exit_group: 1 |
| restart_syscall: 1 |
| exit: 1 |
| rt_sigreturn: 1 |
| connect: 1 |
| lseek: 1 |
