diff --git a/compiler-rt/test/fuzzer/fuzzer-segv.test b/compiler-rt/test/fuzzer/fuzzer-segv.test
--- a/compiler-rt/test/fuzzer/fuzzer-segv.test
+++ b/compiler-rt/test/fuzzer/fuzzer-segv.test
@@ -1,3 +1,6 @@
+# Test fail on device (rdar://99981102)
+XFAIL: tvos && !tvossim
+
 RUN: %cpp_compiler %S/NullDerefTest.cpp -o %t-NullDerefTest
 RUN: %env_asan_opts=handle_segv=0 not %run %t-NullDerefTest 2>&1 | FileCheck %s --check-prefix=LIBFUZZER_OWN_SEGV_HANDLER
 LIBFUZZER_OWN_SEGV_HANDLER: == ERROR: libFuzzer: deadly signal
diff --git a/compiler-rt/test/fuzzer/minimize_two_crashes.test b/compiler-rt/test/fuzzer/minimize_two_crashes.test
--- a/compiler-rt/test/fuzzer/minimize_two_crashes.test
+++ b/compiler-rt/test/fuzzer/minimize_two_crashes.test
@@ -1,3 +1,6 @@
+# Test fail on device (rdar://99981102)
+XFAIL: tvos && !tvossim
+
 # Test that the minimizer stops when it sees a different bug.
 UNSUPPORTED: freebsd
 
diff --git a/compiler-rt/test/fuzzer/null-deref.test b/compiler-rt/test/fuzzer/null-deref.test
--- a/compiler-rt/test/fuzzer/null-deref.test
+++ b/compiler-rt/test/fuzzer/null-deref.test
@@ -1,3 +1,6 @@
+# Test fail on device (rdar://99981102)
+XFAIL: tvos && !tvossim
+
 RUN: %cpp_compiler %S/NullDerefTest.cpp -o %t-NullDerefTest
 
 RUN: not %run %t-NullDerefTest                  2>&1 | FileCheck %s --check-prefix=NullDerefTest
diff --git a/compiler-rt/test/fuzzer/stack-overflow-with-asan.test b/compiler-rt/test/fuzzer/stack-overflow-with-asan.test
--- a/compiler-rt/test/fuzzer/stack-overflow-with-asan.test
+++ b/compiler-rt/test/fuzzer/stack-overflow-with-asan.test
@@ -1,3 +1,6 @@
+# Test fail on device (rdar://99981102)
+XFAIL: tvos && !tvossim
+
 CHECK: AddressSanitizer: stack-overflow
 RUN: %cpp_compiler %S/StackOverflowTest.cpp -o %t-StackOverflowTest
 RUN: not %run %t-StackOverflowTest 2>&1 | FileCheck %s