diff options
| author | Kevin Krakauer <krakauer@google.com> | 2019-06-12 15:21:22 -0700 |
|---|---|---|
| committer | Kevin Krakauer <krakauer@google.com> | 2019-06-12 15:21:22 -0700 |
| commit | 0bbbcafd68154e7c7b46692b84a39fb6bb5f1568 (patch) | |
| tree | d8fba01ad76900715665b0418a786de2d77e2a05 /pkg/sentry/kernel/pipe/node.go | |
| parent | 06a83df533244dc2b3b8adfc1bf0608d3753c1d9 (diff) | |
| parent | 70578806e8d3e01fae2249b3e602cd5b05d378a0 (diff) | |
Merge branch 'master' into iptables-1-pkg
Change-Id: I7457a11de4725e1bf3811420c505d225b1cb6943
Diffstat (limited to 'pkg/sentry/kernel/pipe/node.go')
| -rw-r--r-- | pkg/sentry/kernel/pipe/node.go | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/pkg/sentry/kernel/pipe/node.go b/pkg/sentry/kernel/pipe/node.go index 926c4c623..dc7da529e 100644 --- a/pkg/sentry/kernel/pipe/node.go +++ b/pkg/sentry/kernel/pipe/node.go @@ -38,7 +38,11 @@ type inodeOperations struct { fsutil.InodeNotMappable `state:"nosave"` fsutil.InodeNotSocket `state:"nosave"` fsutil.InodeNotSymlink `state:"nosave"` - fsutil.InodeNotVirtual `state:"nosave"` + + // Marking pipe inodes as virtual allows them to be saved and restored + // even if they have been unlinked. We can get away with this because + // their state exists entirely within the sentry. + fsutil.InodeVirtual `state:"nosave"` fsutil.InodeSimpleAttributes @@ -86,7 +90,7 @@ func (i *inodeOperations) GetFile(ctx context.Context, d *fs.Dirent, flags fs.Fi switch { case flags.Read && !flags.Write: // O_RDONLY. - r := i.p.Open(ctx, flags) + r := i.p.Open(ctx, d, flags) i.newHandleLocked(&i.rWakeup) if i.p.isNamed && !flags.NonBlocking && !i.p.HasWriters() { @@ -102,7 +106,7 @@ func (i *inodeOperations) GetFile(ctx context.Context, d *fs.Dirent, flags fs.Fi return r, nil case flags.Write && !flags.Read: // O_WRONLY. - w := i.p.Open(ctx, flags) + w := i.p.Open(ctx, d, flags) i.newHandleLocked(&i.wWakeup) if i.p.isNamed && !i.p.HasReaders() { @@ -122,7 +126,7 @@ func (i *inodeOperations) GetFile(ctx context.Context, d *fs.Dirent, flags fs.Fi case flags.Read && flags.Write: // O_RDWR. // Pipes opened for read-write always succeeds without blocking. - rw := i.p.Open(ctx, flags) + rw := i.p.Open(ctx, d, flags) i.newHandleLocked(&i.rWakeup) i.newHandleLocked(&i.wWakeup) return rw, nil |