diff --git a/compiler-rt/test/fuzzer/acquire-crash-state.test b/compiler-rt/test/fuzzer/acquire-crash-state.test
--- a/compiler-rt/test/fuzzer/acquire-crash-state.test
+++ b/compiler-rt/test/fuzzer/acquire-crash-state.test
@@ -1,3 +1,4 @@
+UNSUPPORTED: arm
 RUN: %cpp_compiler %S/AcquireCrashStateTest.cpp -o %t
 RUN: %run %t 2>&1 | FileCheck %s
 CHECK-NOT: fuzz target exited
diff --git a/compiler-rt/test/fuzzer/compressed.test b/compiler-rt/test/fuzzer/compressed.test
--- a/compiler-rt/test/fuzzer/compressed.test
+++ b/compiler-rt/test/fuzzer/compressed.test
@@ -2,7 +2,7 @@
 REQUIRES: zlib
 # zlib is "supported" on i386 even when only for x86_64, explicitly make i386
 # unsupported by this test.
-UNSUPPORTED: i386
+UNSUPPORTED: i386, arm
 # Custom mutator should find this bug, w/o custom -- no chance.
 RUN: %cpp_compiler %S/CompressedTest.cpp -o %t-CompressedTestCustom -DCUSTOM_MUTATOR -lz
 RUN: %cpp_compiler %S/CompressedTest.cpp -o %t-CompressedTestPlain -lz
diff --git a/compiler-rt/test/fuzzer/msan-custom-mutator.test b/compiler-rt/test/fuzzer/msan-custom-mutator.test
--- a/compiler-rt/test/fuzzer/msan-custom-mutator.test
+++ b/compiler-rt/test/fuzzer/msan-custom-mutator.test
@@ -1,4 +1,5 @@
 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/MsanCustomMutator.cpp -o %t
 RUN: %run %t -seed=1 -runs=1000 2>&1 | FileCheck %s
 
diff --git a/compiler-rt/test/fuzzer/msan-param-unpoison.test b/compiler-rt/test/fuzzer/msan-param-unpoison.test
--- a/compiler-rt/test/fuzzer/msan-param-unpoison.test
+++ b/compiler-rt/test/fuzzer/msan-param-unpoison.test
@@ -1,4 +1,5 @@
 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/MsanParamUnpoison.cpp -o %t
 RUN: %run %t -seed=1 -runs=1000 2>&1 | FileCheck %s
 
diff --git a/compiler-rt/test/fuzzer/msan.test b/compiler-rt/test/fuzzer/msan.test
--- a/compiler-rt/test/fuzzer/msan.test
+++ b/compiler-rt/test/fuzzer/msan.test
@@ -1,4 +1,5 @@
 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/SimpleTestStdio.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
 
diff --git a/compiler-rt/test/fuzzer/sigint.test b/compiler-rt/test/fuzzer/sigint.test
--- a/compiler-rt/test/fuzzer/sigint.test
+++ b/compiler-rt/test/fuzzer/sigint.test
@@ -1,4 +1,5 @@
 REQUIRES: msan
+UNSUPPORTED: arm
 
 # Check that libFuzzer exits gracefully under SIGINT with MSan.
 RUN: rm -rf %t
diff --git a/compiler-rt/test/fuzzer/value-profile-div.test b/compiler-rt/test/fuzzer/value-profile-div.test
--- a/compiler-rt/test/fuzzer/value-profile-div.test
+++ b/compiler-rt/test/fuzzer/value-profile-div.test
@@ -1,5 +1,5 @@
 UNSUPPORTED: ios
-UNSUPPORTED: aarch64
+UNSUPPORTED: arm, aarch64
 CHECK: AddressSanitizer: {{FPE|int-divide-by-zero}}
 RUN: %cpp_compiler %S/DivTest.cpp -fsanitize-coverage=trace-div -o %t-DivTest
 RUN: not %run %t-DivTest -seed=1 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s