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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/crypto/sha1/issue15617_test.go
parentInitial commit. (diff)
downloadgolang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz
golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crypto/sha1/issue15617_test.go')
-rw-r--r--src/crypto/sha1/issue15617_test.go27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/crypto/sha1/issue15617_test.go b/src/crypto/sha1/issue15617_test.go
new file mode 100644
index 0000000..116c78f
--- /dev/null
+++ b/src/crypto/sha1/issue15617_test.go
@@ -0,0 +1,27 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build amd64 && (linux || darwin)
+
+package sha1_test
+
+import (
+ "crypto/sha1"
+ "syscall"
+ "testing"
+)
+
+func TestOutOfBoundsRead(t *testing.T) {
+ const pageSize = 4 << 10
+ data, err := syscall.Mmap(0, 0, 2*pageSize, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_ANON|syscall.MAP_PRIVATE)
+ if err != nil {
+ panic(err)
+ }
+ if err := syscall.Mprotect(data[pageSize:], syscall.PROT_NONE); err != nil {
+ panic(err)
+ }
+ for i := 0; i < pageSize; i++ {
+ sha1.Sum(data[pageSize-i : pageSize])
+ }
+}