diff --git a/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp b/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
--- a/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
+++ b/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
@@ -2,10 +2,10 @@
 
 // Ensure ubsan runtime/interceptors are lazily initialized if called early.
 
-// The test seems to segfault on aarch64 with tsan:
+// The test seems to segfault on aarch64 & x86_64 with tsan:
 // https://lab.llvm.org/buildbot/#/builders/179/builds/6662
 // Reason unknown, needs debugging.
-// XFAIL: target=aarch64{{.*}}
+// XFAIL: *
 
 #include <assert.h>
 #include <signal.h>