[llvm] r275582 - [libFuzzer] add ThreadedLeakTest
Kostya Serebryany via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 15 10:19:44 PDT 2016
Author: kcc
Date: Fri Jul 15 12:19:43 2016
New Revision: 275582
URL: http://llvm.org/viewvc/llvm-project?rev=275582&view=rev
Log:
[libFuzzer] add ThreadedLeakTest
Added:
llvm/trunk/lib/Fuzzer/test/ThreadedLeakTest.cpp
Modified:
llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
llvm/trunk/lib/Fuzzer/test/fuzzer-leak.test
Modified: llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/CMakeLists.txt?rev=275582&r1=275581&r2=275582&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/CMakeLists.txt Fri Jul 15 12:19:43 2016
@@ -91,6 +91,7 @@ set(Tests
StrcmpTest
StrncmpTest
SwitchTest
+ ThreadedLeakTest
ThreadedTest
TimeoutTest
)
Added: llvm/trunk/lib/Fuzzer/test/ThreadedLeakTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/ThreadedLeakTest.cpp?rev=275582&view=auto
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/ThreadedLeakTest.cpp (added)
+++ llvm/trunk/lib/Fuzzer/test/ThreadedLeakTest.cpp Fri Jul 15 12:19:43 2016
@@ -0,0 +1,18 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// The fuzzer should find a leak in a non-main thread.
+#include <cstdint>
+#include <cstddef>
+#include <thread>
+
+static volatile int *Sink;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ if (Size == 0) return 0;
+ if (Data[0] != 'F') return 0;
+ std::thread T([&] { Sink = new int; });
+ T.join();
+ return 0;
+}
+
Modified: llvm/trunk/lib/Fuzzer/test/fuzzer-leak.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/fuzzer-leak.test?rev=275582&r1=275581&r2=275582&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/fuzzer-leak.test (original)
+++ llvm/trunk/lib/Fuzzer/test/fuzzer-leak.test Fri Jul 15 12:19:43 2016
@@ -2,6 +2,8 @@ REQUIRES: lsan
RUN: not LLVMFuzzer-LeakTest -runs=100000 -detect_leaks=1 2>&1 | FileCheck %s --check-prefix=LEAK_DURING
LEAK_DURING: ERROR: LeakSanitizer: detected memory leaks
LEAK_DURING: Direct leak of 4 byte(s) in 1 object(s) allocated from:
+LEAK_DURING: INFO: to ignore leaks on libFuzzer side use -detect_leaks=0
+LEAK_DURING: Test unit written to ./leak-
LEAK_DURING-NOT: DONE
LEAK_DURING-NOT: Done
@@ -12,6 +14,8 @@ LEAK_IN_CORPUS: INFO: a leak has been fo
RUN: not LLVMFuzzer-LeakTest -runs=100000 -detect_leaks=0 2>&1 | FileCheck %s --check-prefix=LEAK_AFTER
RUN: not LLVMFuzzer-LeakTest -runs=100000 2>&1 | FileCheck %s --check-prefix=LEAK_DURING
+RUN: not LLVMFuzzer-ThreadedLeakTest -runs=100000 -detect_leaks=0 2>&1 | FileCheck %s --check-prefix=LEAK_AFTER
+RUN: not LLVMFuzzer-ThreadedLeakTest -runs=100000 2>&1 | FileCheck %s --check-prefix=LEAK_DURING
LEAK_AFTER: Done 100000 runs in
LEAK_AFTER: ERROR: LeakSanitizer: detected memory leaks
@@ -24,3 +28,4 @@ LEAK_TIMEOUT-NOT: LeakSanitizer
RUN: LLVMFuzzer-AccumulateAllocationsTest -detect_leaks=1 -runs=100000 2>&1 | FileCheck %s --check-prefix=ACCUMULATE_ALLOCS
ACCUMULATE_ALLOCS: INFO: libFuzzer disabled leak detection after every mutation
+
More information about the llvm-commits
mailing list