diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 4394274..a4bb8b5 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -340,7 +340,12 @@
 
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0xdead)");
+#ifdef __LP64__
+  ASSERT_MATCH(result,
+               R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x000000000000dead)");
+#else
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x0000dead)");
+#endif
 
   if (mte_supported()) {
     // Test that the default TAGGED_ADDR_CTRL value is set.
@@ -370,8 +375,7 @@
 
   // The address can either be tagged (new kernels) or untagged (old kernels).
   ASSERT_MATCH(
-      result,
-      R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr (0x100000000000dead|0xdead))");
+      result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x[01]00000000000dead)");
 }
 
 // Marked as weak to prevent the compiler from removing the malloc in the caller. In theory, the
@@ -422,6 +426,12 @@
     abort();
   }
 }
+
+static void SetTagCheckingLevelAsync() {
+  if (mallopt(M_BIONIC_SET_HEAP_TAGGING_LEVEL, M_HEAP_TAGGING_LEVEL_ASYNC) == 0) {
+    abort();
+  }
+}
 #endif
 
 // Number of iterations required to reliably guarantee a GWP-ASan crash.
@@ -653,6 +663,36 @@
 #endif
 }
 
+TEST_F(CrasherTest, mte_async) {
+#if defined(__aarch64__)
+  if (!mte_supported()) {
+    GTEST_SKIP() << "Requires MTE";
+  }
+
+  int intercept_result;
+  unique_fd output_fd;
+  StartProcess([&]() {
+    SetTagCheckingLevelAsync();
+    volatile int* p = (volatile int*)malloc(16);
+    p[-1] = 42;
+  });
+
+  StartIntercept(&output_fd);
+  FinishCrasher();
+  AssertDeath(SIGSEGV);
+  FinishIntercept(&intercept_result);
+
+  ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
+
+  std::string result;
+  ConsumeFd(std::move(output_fd), &result);
+
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 8 \(SEGV_MTEAERR\), fault addr --------)");
+#else
+  GTEST_SKIP() << "Requires aarch64";
+#endif
+}
+
 TEST_F(CrasherTest, mte_multiple_causes) {
 #if defined(__aarch64__)
   if (!mte_supported()) {
@@ -703,7 +743,7 @@
   for (const auto& result : log_sources) {
     ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\))");
     ASSERT_THAT(result, HasSubstr("Note: multiple potential causes for this crash were detected, "
-                                  "listing them in decreasing order of probability."));
+                                  "listing them in decreasing order of likelihood."));
     // Adjacent untracked allocations may cause us to see the wrong underflow here (or only
     // overflows), so we can't match explicitly for an underflow message.
     ASSERT_MATCH(result,
@@ -890,7 +930,7 @@
 
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0xdead)");
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x0+dead)");
 }
 
 TEST_F(CrasherTest, abort) {
@@ -1940,7 +1980,7 @@
 
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x1024)");
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x0+1024)");
 
   ASSERT_MATCH(result, R"(\nmemory map \(.*\):\n)");
 
@@ -1970,8 +2010,8 @@
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
 
-  std::string match_str = R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr )";
-  match_str += android::base::StringPrintf("0x%" PRIxPTR, crash_uptr);
+  std::string match_str = R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x)";
+  match_str += format_full_pointer(crash_uptr);
   ASSERT_MATCH(result, match_str);
 
   ASSERT_MATCH(result, R"(\nmemory map \(.*\): \(fault address prefixed with --->)\n)");
@@ -2018,8 +2058,8 @@
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
 
-  std::string match_str = R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr )";
-  match_str += android::base::StringPrintf("%p", middle_ptr);
+  std::string match_str = R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x)";
+  match_str += format_full_pointer(reinterpret_cast<uintptr_t>(middle_ptr));
   ASSERT_MATCH(result, match_str);
 
   ASSERT_MATCH(result, R"(\nmemory map \(.*\): \(fault address prefixed with --->)\n)");
@@ -2056,8 +2096,8 @@
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
 
-  std::string match_str = R"(signal 11 \(SIGSEGV\), code 2 \(SEGV_ACCERR\), fault addr )";
-  match_str += android::base::StringPrintf("%p", ptr);
+  std::string match_str = R"(signal 11 \(SIGSEGV\), code 2 \(SEGV_ACCERR\), fault addr 0x)";
+  match_str += format_full_pointer(reinterpret_cast<uintptr_t>(ptr));
   ASSERT_MATCH(result, match_str);
 
   ASSERT_MATCH(result, R"(\nmemory map \(.*\): \(fault address prefixed with --->)\n)");
@@ -2181,7 +2221,7 @@
   ConsumeFd(std::move(output_fd), &result);
 
   // Verify the process crashed properly.
-  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x0)");
+  ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 1 \(SEGV_MAPERR\), fault addr 0x0*)");
 
   // Now verify that the dex_pc frame includes a proper function name.
   ASSERT_MATCH(result, R"( \[anon:dex\] \(Main\.\<init\>\+2)");
diff --git a/debuggerd/libdebuggerd/scudo.cpp b/debuggerd/libdebuggerd/scudo.cpp
index f4690ba..a89f385 100644
--- a/debuggerd/libdebuggerd/scudo.cpp
+++ b/debuggerd/libdebuggerd/scudo.cpp
@@ -135,7 +135,7 @@
   if (error_info_.reports[1].error_type != UNKNOWN) {
     _LOG(log, logtype::HEADER,
          "\nNote: multiple potential causes for this crash were detected, listing them in "
-         "decreasing order of probability.\n");
+         "decreasing order of likelihood.\n");
   }
 
   size_t report_num = 0;
diff --git a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
index 681b963..c248fae 100644
--- a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
@@ -292,6 +292,7 @@
 
 static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
                               const Thread& thread) {
+  int word_size = pointer_width(tombstone);
   print_thread_header(callback, tombstone, thread, true);
 
   const Signal& signal_info = tombstone.signal_info();
@@ -307,7 +308,7 @@
   } else {
     std::string fault_addr_desc;
     if (signal_info.has_fault_address()) {
-      fault_addr_desc = StringPrintf("0x%" PRIx64, signal_info.fault_address());
+      fault_addr_desc = StringPrintf("0x%0*" PRIx64, 2 * word_size, signal_info.fault_address());
     } else {
       fault_addr_desc = "--------";
     }
@@ -331,7 +332,7 @@
   if (tombstone.causes_size() > 1) {
     CBS("");
     CBL("Note: multiple potential causes for this crash were detected, listing them in decreasing "
-        "order of probability.");
+        "order of likelihood.");
   }
 
   for (const Cause& cause : tombstone.causes()) {
@@ -369,7 +370,6 @@
     return;
   }
 
-  int word_size = pointer_width(tombstone);
   const auto format_pointer = [word_size](uint64_t ptr) -> std::string {
     if (word_size == 8) {
       uint64_t top = ptr >> 32;
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index a7506b7..4370130 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -275,9 +275,10 @@
     case SIGBUS:
     case SIGFPE:
     case SIGILL:
-    case SIGSEGV:
     case SIGTRAP:
       return true;
+    case SIGSEGV:
+      return si->si_code != SEGV_MTEAERR;
     default:
       return false;
   }