2 files changed, 8 insertions, 4 deletions
diff --git a/test/perf/BUILD b/test/perf/BUILD
index 346a28e16..0a0def6a3 100644
--- a/test/perf/BUILD
+++ b/test/perf/BUILD
@@ -30,6 +30,7 @@ syscall_test(
 
 syscall_test(
     size = "enormous",
+    tags = ["nogotsan"],
     test = "//test/perf/linux:getdents_benchmark",
 )
 
@@ -40,6 +41,7 @@ syscall_test(
 
 syscall_test(
     size = "enormous",
+    tags = ["nogotsan"],
     test = "//test/perf/linux:gettid_benchmark",
 )
 
diff --git a/test/perf/linux/signal_benchmark.cc b/test/perf/linux/signal_benchmark.cc
index a6928df58..cec679191 100644
--- a/test/perf/linux/signal_benchmark.cc
+++ b/test/perf/linux/signal_benchmark.cc
@@ -43,11 +43,13 @@ void BM_FaultSignalFixup(benchmark::State& state) {
 
   // Fault, fault, fault.
   for (auto _ : state) {
-    register volatile unsigned int* ptr asm("rax");
-
     // Trigger the segfault.
-    ptr = nullptr;
-    *ptr = 0;
+    asm volatile(
+        "movq $0, %%rax\n"
+        "movq $0x77777777, (%%rax)\n"
+        :
+        :
+        : "rax");
   }
 }