diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
deleted file mode 100644
index 7e2fbf28f88..00000000000
--- a/.github/workflows/cifuzz.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-name: CIFuzz
-
-on:
-  push:
-    paths:
-      - "**.c"
-      - "**.h"
-  pull_request:
-    paths:
-      - "**.c"
-      - "**.h"
-  workflow_dispatch:
-
-jobs:
-  Fuzzing:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Build Fuzzers
-      id: build
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'pillow'
-        language: python
-        dry-run: false
-    - name: Run Fuzzers
-      id: run
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'pillow'
-        fuzz-seconds: 600
-        language: python
-        dry-run: false
-    - name: Upload New Crash
-      uses: actions/upload-artifact@v2
-      if: failure() && steps.build.outcome == 'success'
-      with:
-        name: artifacts
-        path: ./out/artifacts
-    - name: Upload Legacy Crash
-      uses: actions/upload-artifact@v2
-      if: steps.run.outcome == 'success'
-      with:
-        name: crash
-        path: ./out/crash*
-    - name: Fail on legacy crash
-      if: success()
-      run: |
-        [ ! -e out/crash-* ]
-        echo No legacy crash detected
diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml
index 57396fddcce..6a4f980161a 100644
--- a/.github/workflows/test-docker.yml
+++ b/.github/workflows/test-docker.yml
@@ -10,10 +10,6 @@ jobs:
       fail-fast: false
       matrix:
         docker: [
-          # Run slower jobs first to give them a headstart and reduce waiting time
-          ubuntu-20.04-focal-arm64v8,
-          ubuntu-20.04-focal-ppc64le,
-          ubuntu-20.04-focal-s390x,
           # Then run the remainder
           alpine,
           amazon-2-amd64,
@@ -28,13 +24,6 @@ jobs:
           ubuntu-20.04-focal-amd64,
         ]
         dockerTag: [main]
-        include:
-          - docker: "ubuntu-20.04-focal-arm64v8"
-            qemu-arch: "aarch64"
-          - docker: "ubuntu-20.04-focal-ppc64le"
-            qemu-arch: "ppc64le"
-          - docker: "ubuntu-20.04-focal-s390x"
-            qemu-arch: "s390x"
 
     name: ${{ matrix.docker }}
 
diff --git a/CHANGES.SIMD.rst b/CHANGES.SIMD.rst
index aeacdb9de10..3d627354caa 100644
--- a/CHANGES.SIMD.rst
+++ b/CHANGES.SIMD.rst
@@ -1,6 +1,13 @@
 Changelog (Pillow-SIMD)
 =======================
 
+9.0.0.post1
+-----------
+
+- Fixed possible overflow in LUT processing
+- Restored compativlity with Visual C Compiler
+
+
 7.0.0.post4
 -----------
 
diff --git a/src/PIL/_version.py b/src/PIL/_version.py
index 9821e344c64..01311ad9d05 100644
--- a/src/PIL/_version.py
+++ b/src/PIL/_version.py
@@ -1,2 +1,2 @@
 # Master version for Pillow
-__version__ = "9.0.0.post0"
+__version__ = "9.0.0.post1"
diff --git a/src/_imaging.c b/src/_imaging.c
index 88af37f82af..0b39e369b08 100644
--- a/src/_imaging.c
+++ b/src/_imaging.c
@@ -761,7 +761,7 @@ _prepare_lut_table(PyObject *table, Py_ssize_t table_size) {
     }
 
     /* malloc check ok, max is 2 * 4 * 65**3 = 2197000 */
-    prepared = (INT16 *)malloc(sizeof(INT16) * table_size + 2);
+    prepared = (INT16 *)malloc(sizeof(INT16) * (table_size + 2));
     if (!prepared) {
         if (free_table_data) {
             free(table_data);
diff --git a/src/libImaging/ImagingSIMD.h b/src/libImaging/ImagingSIMD.h
index d082837d138..35a0fccfee5 100644
--- a/src/libImaging/ImagingSIMD.h
+++ b/src/libImaging/ImagingSIMD.h
@@ -1,13 +1,18 @@
+#ifndef __IMAGING_SIMD_H__
+#define __IMAGING_SIMD_H__
+
 /* Microsoft compiler doesn't limit intrinsics for an architecture.
    This macro is set only on x86 and means SSE2 and above including AVX2. */
 #if defined(_M_X64) || _M_IX86_FP == 2
     #define __SSE4_2__
 #endif
+
 #if defined(__SSE4_2__)
     #include <emmintrin.h>
     #include <mmintrin.h>
     #include <smmintrin.h>
 #endif
+
 #if defined(__AVX2__)
     #include <immintrin.h>
 #endif
@@ -25,3 +30,5 @@ mm256_cvtepu8_epi32(void *ptr) {
     return _mm256_cvtepu8_epi32(_mm_loadl_epi64((__m128i *) ptr));
 }
 #endif
+
+#endif