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| author | Dylan Reid <dgreid@chromium.org> | 2017-11-06 14:06:24 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-12-18 17:54:57 -0800 |
| commit | 295ccac1f3d6d9291ebc86df076920102cdbb63d (patch) | |
| tree | 9267c0954ec8fc9e63a2706d976534ad00186b16 /seccomp | |
| parent | 39aa26b1680471acf26981d3c65829ccd216e0a4 (diff) | |
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devices: Add balloon
The balloon device is used to take regions of unused memory from the guest and allow other host processes to use that memory. Change-Id: I06c821365a58672d605fc7555beaec599cae1b15 Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/759306 Reviewed-by: Stephen Barber <smbarber@chromium.org>
Diffstat (limited to 'seccomp')
| -rw-r--r-- | seccomp/x86_64/balloon_device.policy | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/seccomp/x86_64/balloon_device.policy b/seccomp/x86_64/balloon_device.policy new file mode 100644 index 0000000..aa55273 --- /dev/null +++ b/seccomp/x86_64/balloon_device.policy @@ -0,0 +1,27 @@ +# Copyright 2017 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 +exit_group: 1 +futex: 1 +madvise: 1 +# Disallow mmap with PROT_EXEC set. The syntax here doesn't allow bit +# negation, thus the manually negated mask constant. +mmap: arg2 in 0xfffffffb +mprotect: arg2 in 0xfffffffb +munmap: 1 +read: 1 +recvfrom: 1 +sched_getaffinity: 1 +set_robust_list: 1 +sigaltstack: 1 +# Disallow clone's other than new threads. +clone: arg0 & 0x00010000 +write: 1 +eventfd2: 1 +dup: 1 +poll: 1 +getpid: 1 +# Allow PR_SET_NAME only. +prctl: arg0 == 15 |