diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index ae9cec0..f1270f8 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -343,6 +343,9 @@
 # TODO(pdfium:1466): Remove after associated bug is fixed
 bug_1449.in linux * *
 
+# TODO(pdfium:1469): Remove after associated bug is fixed
+bug_1469.in * * *
+
 # xfa_specific
 
 # TODO(pdfium:1107): Remove after associated bug is fixed
diff --git a/testing/resources/bug_1469.jp2 b/testing/resources/bug_1469.jp2
new file mode 100644
index 0000000..892e8fa
--- /dev/null
+++ b/testing/resources/bug_1469.jp2
Binary files differ
diff --git a/testing/resources/pixel/bug_1469.in b/testing/resources/pixel/bug_1469.in
new file mode 100644
index 0000000..8eb970d
--- /dev/null
+++ b/testing/resources/pixel/bug_1469.in
@@ -0,0 +1,98 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 1
+  /Kids [3 0 R]
+>>
+endobj
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Contents 4 0 R
+  /MediaBox [0 0 300 100]
+  /Resources <<
+    /XObject <<
+      % All 3 images are BGRA with the same data but interpreted differently.
+      /ImNoSMaskInData 5 0 R
+      /ImSMaskInData0 6 0 R
+      /ImSMaskInData1 7 0 R
+    >>
+  >>
+>>
+endobj
+{{object 4 0}} <<
+  {{streamlen}}
+>>
+stream
+q
+0 1 0 rg
+0 0 300 100 re f
+Q
+q
+64 0 0 64 0 0 cm
+/ImNoSMaskInData Do
+Q
+q
+64 0 0 64 100 0 cm
+/ImSMaskInData0 Do
+Q
+q
+64 0 0 64 200 0 cm
+/ImSMaskInData1 Do
+Q
+endstream
+endobj
+{{object 5 0}} <<
+  /Type /XObject
+  /Subtype /Image
+  /BitsPerComponent 8
+  /ColorSpace /DeviceRGB
+  /Filter /JPXDecode
+  /Height 64
+  % No /SMaskInData here.
+  /Width 64
+  {{streamlen}}
+>>
+stream
+{{include ../bug_1469.jp2}}
+endstream
+endobj
+{{object 6 0}} <<
+  /Type /XObject
+  /Subtype /Image
+  /BitsPerComponent 8
+  /ColorSpace /DeviceRGB
+  /Filter /JPXDecode
+  /Height 64
+  /SMaskInData 0
+  /Width 64
+  {{streamlen}}
+>>
+stream
+{{include ../bug_1469.jp2}}
+endstream
+endobj
+{{object 7 0}} <<
+  /Type /XObject
+  /Subtype /Image
+  /BitsPerComponent 8
+  /ColorSpace /DeviceRGB
+  /Filter /JPXDecode
+  /Height 64
+  /SMaskInData 1
+  /Width 64
+  {{streamlen}}
+>>
+stream
+{{include ../bug_1469.jp2}}
+endstream
+endobj
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_1469_expected.pdf.0.png b/testing/resources/pixel/bug_1469_expected.pdf.0.png
new file mode 100644
index 0000000..a87b79d
--- /dev/null
+++ b/testing/resources/pixel/bug_1469_expected.pdf.0.png
Binary files differ