virtcontainers: Set Ctty to 0 instead of int(f.FD())

The https://go-review.googlesource.com/c/go/+/231638/ commit on Golang introduced a failure on Kata Containers when the runtime is built with golang 15.2+. Fixes: kata-containers#2982 Signed-off-by: Fabiano Fidêncio <[email protected]>
fidencio · Nov 18, 2020 · 977f682 · 977f682
1 parent 738409d
commit 977f682
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/virtcontainers/shim.go b/virtcontainers/shim.go
@@ -210,7 +210,8 @@ func startShim(args []string, params ShimParams) (int, error) {
 		cmd.SysProcAttr.Setsid = true
 		// Set Controlling terminal to Ctty
 		cmd.SysProcAttr.Setctty = true
-		cmd.SysProcAttr.Ctty = int(f.Fd())
+		// FD 0 is attached to the controlling terminal unless Noctty is set to true.
+		cmd.SysProcAttr.Ctty = 0
 	}
 	defer func() {
 		if f != nil {