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-rw-r--r--pkg/sentry/fs/gofer/inode.go2
-rw-r--r--pkg/sentry/fsimpl/gofer/gofer.go2
2 files changed, 2 insertions, 2 deletions
diff --git a/pkg/sentry/fs/gofer/inode.go b/pkg/sentry/fs/gofer/inode.go
index 811e8ea30..a016c896e 100644
--- a/pkg/sentry/fs/gofer/inode.go
+++ b/pkg/sentry/fs/gofer/inode.go
@@ -273,7 +273,7 @@ func (i *inodeFileState) recreateReadHandles(ctx context.Context, writer *handle
// operations on the old will see the new data. Then, make the new handle take
// ownereship of the old FD and mark the old readHandle to not close the FD
// when done.
- if err := syscall.Dup3(h.Host.FD(), i.readHandles.Host.FD(), 0); err != nil {
+ if err := syscall.Dup3(h.Host.FD(), i.readHandles.Host.FD(), syscall.O_CLOEXEC); err != nil {
return err
}
diff --git a/pkg/sentry/fsimpl/gofer/gofer.go b/pkg/sentry/fsimpl/gofer/gofer.go
index 20edaf643..bdf11fa65 100644
--- a/pkg/sentry/fsimpl/gofer/gofer.go
+++ b/pkg/sentry/fsimpl/gofer/gofer.go
@@ -1089,7 +1089,7 @@ func (d *dentry) ensureSharedHandle(ctx context.Context, read, write, trunc bool
// description, but this doesn't matter since they refer to the
// same file (unless d.fs.opts.overlayfsStaleRead is true,
// which we handle separately).
- if err := syscall.Dup3(int(h.fd), int(d.handle.fd), 0); err != nil {
+ if err := syscall.Dup3(int(h.fd), int(d.handle.fd), syscall.O_CLOEXEC); err != nil {
d.handleMu.Unlock()
ctx.Warningf("gofer.dentry.ensureSharedHandle: failed to dup fd %d to fd %d: %v", h.fd, d.handle.fd, err)
h.close(ctx)