Fix panic when calling dup2().

PiperOrigin-RevId: 329572337

4 files changed, 6 insertions, 6 deletions

diff --git a/pkg/sentry/syscalls/linux/vfs2/fd.go b/pkg/sentry/syscalls/linux/vfs2/fd.go
index 4856554fe..fdd8f88c5 100644
--- a/pkg/sentry/syscalls/linux/vfs2/fd.go
+++ b/pkg/sentry/syscalls/linux/vfs2/fd.go
@@ -34,7 +34,7 @@ func Close(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
 	// Note that Remove provides a reference on the file that we may use to
 	// flush. It is still active until we drop the final reference below
 	// (and other reference-holding operations complete).
-	_, file := t.FDTable().Remove(fd)
+	_, file := t.FDTable().Remove(t, fd)
 	if file == nil {
 		return 0, nil, syserror.EBADF
 	}
@@ -137,7 +137,7 @@ func Fcntl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
 		return uintptr(flags.ToLinuxFDFlags()), nil, nil
 	case linux.F_SETFD:
 		flags := args[2].Uint()
-		err := t.FDTable().SetFlagsVFS2(fd, kernel.FDFlags{
+		err := t.FDTable().SetFlagsVFS2(t, fd, kernel.FDFlags{
 			CloseOnExec: flags&linux.FD_CLOEXEC != 0,
 		})
 		return 0, nil, err
diff --git a/pkg/sentry/syscalls/linux/vfs2/ioctl.go b/pkg/sentry/syscalls/linux/vfs2/ioctl.go
index 38778a388..baa8a49af 100644
--- a/pkg/sentry/syscalls/linux/vfs2/ioctl.go
+++ b/pkg/sentry/syscalls/linux/vfs2/ioctl.go
@@ -34,13 +34,13 @@ func Ioctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
 	// Handle ioctls that apply to all FDs.
 	switch args[1].Int() {
 	case linux.FIONCLEX:
-		t.FDTable().SetFlagsVFS2(fd, kernel.FDFlags{
+		t.FDTable().SetFlagsVFS2(t, fd, kernel.FDFlags{
 			CloseOnExec: false,
 		})
 		return 0, nil, nil
 
 	case linux.FIOCLEX:
-		t.FDTable().SetFlagsVFS2(fd, kernel.FDFlags{
+		t.FDTable().SetFlagsVFS2(t, fd, kernel.FDFlags{
 			CloseOnExec: true,
 		})
 		return 0, nil, nil
diff --git a/pkg/sentry/syscalls/linux/vfs2/pipe.go b/pkg/sentry/syscalls/linux/vfs2/pipe.go
index 9b4848d9e..3aa6d939d 100644
--- a/pkg/sentry/syscalls/linux/vfs2/pipe.go
+++ b/pkg/sentry/syscalls/linux/vfs2/pipe.go
@@ -53,7 +53,7 @@ func pipe2(t *kernel.Task, addr usermem.Addr, flags int32) error {
 	}
 	if _, err := t.CopyOut(addr, fds); err != nil {
 		for _, fd := range fds {
-			if _, file := t.FDTable().Remove(fd); file != nil {
+			if _, file := t.FDTable().Remove(t, fd); file != nil {
 				file.DecRef(t)
 			}
 		}
diff --git a/pkg/sentry/syscalls/linux/vfs2/socket.go b/pkg/sentry/syscalls/linux/vfs2/socket.go
index a5032657a..a15dad29f 100644
--- a/pkg/sentry/syscalls/linux/vfs2/socket.go
+++ b/pkg/sentry/syscalls/linux/vfs2/socket.go
@@ -252,7 +252,7 @@ func SocketPair(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sy
 
 	if _, err := t.CopyOut(addr, fds); err != nil {
 		for _, fd := range fds {
-			if _, file := t.FDTable().Remove(fd); file != nil {
+			if _, file := t.FDTable().Remove(t, fd); file != nil {
 				file.DecRef(t)
 			}
 		}