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Fds created via dup don't share file descriptor flags with the original fd, which means that they don't have the FD_CLOEXEC flag set. Use fcntl(F_DUPFD_CLOEXEC) so that this flag gets set for the duplicated fds as well. BUG=none TEST=unit tests Change-Id: Ib471cf40acac1eacf72969ba45247f50b349ed58 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2809687 Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Chirantan Ekbote <chirantan@chromium.org> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
12 lines
405 B
Text
12 lines
405 B
Text
# Copyright 2019 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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@include /usr/share/policy/crosvm/common_device.policy
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# VFIO_DEVICE_SET_IRQS, VFIO_IOMMU_MAP/UNMAP_DMA
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ioctl: arg1 == 0x3B6E || arg1 == 0x3B71 || arg1 == 0x3B72
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open: return ENOENT
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openat: return ENOENT
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readlink: 1
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pread64: 1
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pwrite64: 1
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