From a638156d40e40dd33b5363204b33e3a9c5a026d6 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka@google.com>
Date: Wed, 1 Nov 2017 20:27:06 +0000
Subject: [fuzzer] Script to detect unbalanced allocation in -trace_malloc
 output

Reviewers: kcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39466

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317119 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/fuzzer/trace-malloc-unbalanced.test | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 test/fuzzer/trace-malloc-unbalanced.test

(limited to 'test')

diff --git a/test/fuzzer/trace-malloc-unbalanced.test b/test/fuzzer/trace-malloc-unbalanced.test
new file mode 100644
index 000000000..53b83fb68
--- /dev/null
+++ b/test/fuzzer/trace-malloc-unbalanced.test
@@ -0,0 +1,27 @@
+// 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
-- 
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