From afb386915dabd3e44bae29dba1b0693816e03ad2 Mon Sep 17 00:00:00 2001
From: Eric Soroos <eric-github@soroos.net>
Date: Thu, 31 Dec 2020 14:35:26 +0100
Subject: [PATCH] initialize the unpackers

---
 src/libImaging/TiffDecode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libImaging/TiffDecode.c b/src/libImaging/TiffDecode.c
index 8cacc8a4c..874bcee3c 100644
--- a/src/libImaging/TiffDecode.c
+++ b/src/libImaging/TiffDecode.c
@@ -365,6 +365,8 @@ int ImagingLibTiffDecode(Imaging im, ImagingCodecState state, UINT8* buffer, Py_
     UINT8 planes = 1;
     ImagingShuffler unpackers[4];
 
+    memset(unpackers, 0, sizeof(ImagingShuffler *) * 4);
+
     /* buffer is the encoded file, bytes is the length of the encoded file */
     /*     it all ends up in state->buffer, which is a uint8* from Imaging.h */