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| author | Jamie Liu <jamieliu@google.com> | 2020-11-06 23:20:08 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-11-06 23:22:20 -0800 |
| commit | 78cce3a46b953cab00731f8afacf7e9e7f4dc751 (patch) | |
| tree | 2c700de76aad84671d2050ccf657895e70e56f16 /pkg/sentry/fsimpl/gofer/directory.go | |
| parent | 917b6094e7125dd5457b863f3e856880893d5599 (diff) | |
Allow VFS2 gofer.dentries to have separate read and write FDs.
This is necessary to allow writes to files opened with O_WRONLY to go through
host FDs.
PiperOrigin-RevId: 341174509
Diffstat (limited to 'pkg/sentry/fsimpl/gofer/directory.go')
| -rw-r--r-- | pkg/sentry/fsimpl/gofer/directory.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pkg/sentry/fsimpl/gofer/directory.go b/pkg/sentry/fsimpl/gofer/directory.go index ce1b2a390..3b5927702 100644 --- a/pkg/sentry/fsimpl/gofer/directory.go +++ b/pkg/sentry/fsimpl/gofer/directory.go @@ -98,7 +98,9 @@ func (d *dentry) createSyntheticChildLocked(opts *createSyntheticOpts) { uid: uint32(opts.kuid), gid: uint32(opts.kgid), blockSize: usermem.PageSize, // arbitrary - hostFD: -1, + readFD: -1, + writeFD: -1, + mmapFD: -1, nlink: uint32(2), } refsvfs2.Register(child) |