Revert "[fuzzer] Fix threaded stack printing and nested mallocs"

Fails on darwin

Revert "[fuzzer] Script to detect unbalanced allocation in -trace_malloc output"
Needs previous one.

This reverts commit r317034, r317036.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317061 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 85 deletions

diff --git a/test/fuzzer/TraceMallocThreadedTest.cpp b/test/fuzzer/TraceMallocThreadedTest.cpp
deleted file mode 100644
index 5603af344..000000000
--- a/test/fuzzer/TraceMallocThreadedTest.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-
-// Check that allocation tracing from different threads does not cause
-// interleaving of stack traces.
-#include <assert.h>
-#include <cstddef>
-#include <cstdint>
-#include <cstring>
-#include <thread>
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-  auto C = [&] {
-    volatile void *a = malloc(5639);
-    free((void *)a);
-  };
-  std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),
-                     std::thread(C), std::thread(C), std::thread(C)};
-  for (auto &X : T)
-    X.join();
-  return 0;
-}
diff --git a/test/fuzzer/trace-malloc-threaded.test b/test/fuzzer/trace-malloc-threaded.test
deleted file mode 100644
index 11f3f0491..000000000
--- a/test/fuzzer/trace-malloc-threaded.test
+++ /dev/null
@@ -1,36 +0,0 @@
-// FIXME: This test infinite loops on darwin because it crashes
-// printing a stack trace repeatedly
-UNSUPPORTED: darwin
-
-RUN: %cpp_compiler %S/TraceMallocThreadedTest.cpp -o %t-TraceMallocThreadedTest
-
-RUN: %t-TraceMallocThreadedTest -trace_malloc=2 -runs=1 2>&1 | FileCheck %s
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
-
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
-
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
-
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
-
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
-
-CHECK: {{MALLOC\[[0-9]+] +0x[0-9]+ 5639}}
-CHECK-NEXT: {{ +\#0 +}}
-CHECK-NEXT: {{ +\#1 +}}
-CHECK-NEXT: {{ +\#2 +}}
diff --git a/test/fuzzer/trace-malloc-unbalanced.test b/test/fuzzer/trace-malloc-unbalanced.test
deleted file mode 100644
index 53b83fb68..000000000
--- a/test/fuzzer/trace-malloc-unbalanced.test
+++ /dev/null
@@ -1,27 +0,0 @@
-// FIXME: This test infinite loops on darwin because it crashes
-// printing a stack trace repeatedly
-UNSUPPORTED: darwin
-
-// Verifies lib/fuzzer/scripts/unbalanced_allocs.py script
-
-RUN: %cpp_compiler %S/TraceMallocTest.cpp -o %t-TraceMallocTest
-
-RUN: %t-TraceMallocTest -seed=1 -trace_malloc=1 -runs=100 2>&1 | \
-RUN:    %libfuzzer_src/scripts/unbalanced_allocs.py --skip=5 | FileCheck %s
-
-RUN: %t-TraceMallocTest -seed=1 -trace_malloc=2 -runs=100 2>&1 | \
-RUN:    %libfuzzer_src/scripts/unbalanced_allocs.py --skip=5 | FileCheck %s --check-prefixes=CHECK,CHECK2
-
-CHECK: MallocFreeTracer: START
-CHECK: Unbalanced MALLOC[{{[0-9]+}}] [[PTR:0x[0-9a-f]+]] 4
-CHECK2-NEXT: {{ #0 0x[0-9a-f]+ in }}
-CHECK2-NEXT: {{ #1 0x[0-9a-f]+ in }}
-CHECK2-NEXT: {{ #2 0x[0-9a-f]+ in }}
-CHECK: MallocFreeTracer: STOP
-
-CHECK: MallocFreeTracer: START
-CHECK: Unbalanced FREE[{{[0-9]+}}] [[PTR]]
-CHECK2-NEXT: {{ #0 0x[0-9a-f]+ in }}
-CHECK2-NEXT: {{ #1 0x[0-9a-f]+ in }}
-CHECK2-NEXT: {{ #2 0x[0-9a-f]+ in }}
-CHECK: MallocFreeTracer: STOP