From 2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Tue, 16 Jan 2018 12:03:31 -0500
Subject: Updated dependencies and added avct/uasurfer (#8089)

* Updated dependencies and added avct/uasurfer

* Added uasurfer to NOTICE.txt
---
 vendor/github.com/spf13/afero/copyOnWriteFs.go     |  2 +-
 .../github.com/spf13/afero/copyOnWriteFs_test.go   | 16 ++++++++++++
 vendor/github.com/spf13/afero/mem/file.go          |  3 +++
 vendor/github.com/spf13/afero/memmap_test.go       | 30 ++++++++++++++++++++++
 4 files changed, 50 insertions(+), 1 deletion(-)

(limited to 'vendor/github.com/spf13/afero')

diff --git a/vendor/github.com/spf13/afero/copyOnWriteFs.go b/vendor/github.com/spf13/afero/copyOnWriteFs.go
index ed692ae95..f2ebcd226 100644
--- a/vendor/github.com/spf13/afero/copyOnWriteFs.go
+++ b/vendor/github.com/spf13/afero/copyOnWriteFs.go
@@ -80,7 +80,7 @@ func (u *CopyOnWriteFs) Stat(name string) (os.FileInfo, error) {
 		if e, ok := err.(*os.PathError); ok {
 			err = e.Err
 		}
-		if err == syscall.ENOENT || err == syscall.ENOTDIR {
+		if err == os.ErrNotExist || err == syscall.ENOENT || err == syscall.ENOTDIR {
 			return u.base.Stat(name)
 		}
 		return nil, origErr
diff --git a/vendor/github.com/spf13/afero/copyOnWriteFs_test.go b/vendor/github.com/spf13/afero/copyOnWriteFs_test.go
index 2a00fab72..c6f2c6d62 100644
--- a/vendor/github.com/spf13/afero/copyOnWriteFs_test.go
+++ b/vendor/github.com/spf13/afero/copyOnWriteFs_test.go
@@ -21,3 +21,19 @@ func TestCopyOnWrite(t *testing.T) {
 	}
 
 }
+
+func TestCopyOnWriteFileInMemMapBase(t *testing.T) {
+	base := &MemMapFs{}
+	layer := &MemMapFs{}
+
+	if err := WriteFile(base, "base.txt", []byte("base"), 0755); err != nil {
+		t.Fatalf("Failed to write file: %s", err)
+	}
+
+	ufs := NewCopyOnWriteFs(base, layer)
+
+	_, err := ufs.Stat("base.txt")
+	if err != nil {
+		t.Fatal(err)
+	}
+}
diff --git a/vendor/github.com/spf13/afero/mem/file.go b/vendor/github.com/spf13/afero/mem/file.go
index 5401a3b7c..885e55429 100644
--- a/vendor/github.com/spf13/afero/mem/file.go
+++ b/vendor/github.com/spf13/afero/mem/file.go
@@ -176,6 +176,9 @@ func (f *File) Read(b []byte) (n int, err error) {
 	if len(b) > 0 && int(f.at) == len(f.fileData.data) {
 		return 0, io.EOF
 	}
+	if int(f.at) > len(f.fileData.data) {
+		return 0, io.ErrUnexpectedEOF
+	}
 	if len(f.fileData.data)-int(f.at) >= len(b) {
 		n = len(b)
 	} else {
diff --git a/vendor/github.com/spf13/afero/memmap_test.go b/vendor/github.com/spf13/afero/memmap_test.go
index 09d8680f6..47414ab14 100644
--- a/vendor/github.com/spf13/afero/memmap_test.go
+++ b/vendor/github.com/spf13/afero/memmap_test.go
@@ -2,6 +2,7 @@ package afero
 
 import (
 	"fmt"
+	"io"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -419,3 +420,32 @@ func TestMemFsDirMode(t *testing.T) {
 		t.Error("FileMode is not directory")
 	}
 }
+
+func TestMemFsUnexpectedEOF(t *testing.T) {
+	t.Parallel()
+
+	fs := NewMemMapFs()
+
+	if err := WriteFile(fs, "file.txt", []byte("abc"), 0777); err != nil {
+		t.Fatal(err)
+	}
+
+	f, err := fs.Open("file.txt")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	// Seek beyond the end.
+	_, err = f.Seek(512, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	buff := make([]byte, 256)
+	_, err = io.ReadAtLeast(f, buff, 256)
+
+	if err != io.ErrUnexpectedEOF {
+		t.Fatal("Expected ErrUnexpectedEOF")
+	}
+}
-- 
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