[release-branch.go1] syscall: fix plan9 build broken by CL 6458050

diff --git a/src/pkg/syscall/exec_plan9.go b/src/pkg/syscall/exec_plan9.go
index 5be3c4a1734de9a98d7d575c3367486ef95b6744..6a92d0bb60b1df870fa0649c450c2bc61a37ecc6 100644 (file)
--- a/src/pkg/syscall/exec_plan9.go
+++ b/src/pkg/syscall/exec_plan9.go
@@ -420,11 +420,9 @@ func forkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error)
                        if err != nil {
                                return 0, err
                        }
-                       envvalue, err := bytePtrFromString(v[i+1:])
-                       if err != nil {
-                               return 0, err
-                       }
-                       envvParsed = append(envvParsed, envItem{envname, envvalue, len(v) - i})
+                       envvalue := make([]byte, len(v)-i)
+                       copy(envvalue, v[i+1:])
+                       envvParsed = append(envvParsed, envItem{envname, &envvalue[0], len(v) - i})
                }
        }