diff options
Diffstat (limited to 'src/syscall/exec_unix.go')
| -rw-r--r-- | src/syscall/exec_unix.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/syscall/exec_unix.go b/src/syscall/exec_unix.go index b3798b6e04..0345af44f9 100644 --- a/src/syscall/exec_unix.go +++ b/src/syscall/exec_unix.go @@ -9,6 +9,7 @@ package syscall import ( + errorspkg "errors" "internal/bytealg" "runtime" "sync" @@ -187,6 +188,15 @@ func forkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error) } } + // Both Setctty and Foreground use the Ctty field, + // but they give it slightly different meanings. + if sys.Setctty && sys.Foreground { + return 0, errorspkg.New("both Setctty and Foreground set in SysProcAttr") + } + if sys.Setctty && sys.Ctty >= len(attr.Files) { + return 0, errorspkg.New("Setctty set but Ctty not valid in child") + } + // Acquire the fork lock so that no other threads // create new fds that are not yet close-on-exec // before we fork. |