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| author | Kostya Serebryany <kcc@google.com> | 2018-06-07 01:40:20 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2018-06-07 01:40:20 +0000 |
| commit | ce30747f4d0de2e549ebbde21d5ceddcbac27e75 (patch) | |
| tree | f2f673214af79480ee041bed582d7ed6c03a77a2 /test/fuzzer | |
| parent | f46892192068bf16984d429dbeb4123c12c47eca (diff) | |
[libFuzzer] make the corpus elements aware of their data flow traces
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@334158 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/fuzzer')
| -rw-r--r-- | test/fuzzer/only-some-bytes.test | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/fuzzer/only-some-bytes.test b/test/fuzzer/only-some-bytes.test new file mode 100644 index 000000000..5301d2536 --- /dev/null +++ b/test/fuzzer/only-some-bytes.test @@ -0,0 +1,31 @@ +# Tests the data flow tracer. +REQUIRES: linux + +# Build the tracer and the test. +RUN: %no_fuzzer_cpp_compiler -c -fno-sanitize=all -fsanitize=dataflow %S/../../lib/fuzzer/dataflow/DataFlow.cpp -o %t-DataFlow.o +RUN: %no_fuzzer_cpp_compiler -fno-sanitize=all -fsanitize=dataflow -fsanitize-coverage=trace-pc-guard,pc-table,func,trace-cmp %S/OnlySomeBytesTest.cpp %t-DataFlow.o -o %t-DFT +RUN: %cpp_compiler %S/OnlySomeBytesTest.cpp -o %t-Fuzz + +# Prepare the inputs. +RUN: rm -rf %t/IN +RUN: mkdir -p %t/IN +RUN: echo -n 0123456789012345678901234567890123456789012345678901234567891234 > %t/IN/6 +RUN: cat %t/IN/6 %t/IN/6 %t/IN/6 %t/IN/6 > %t/IN/8 +RUN: cat %t/IN/8 %t/IN/8 %t/IN/8 %t/IN/8 > %t/IN/10 +RUN: cat %t/IN/10 %t/IN/10 %t/IN/10 %t/IN/10 > %t/IN/12 +# %t/IN/12 is 4096 bytes-long. + +RUN: %t-Fuzz -focus_function=f0 -runs=0 %t/IN 2>&1 | FileCheck %s --check-prefix=NO_FOCUSED_INPUT +NO_FOCUSED_INPUT: INFO: 0/2 inputs touch the focus function + +RUN: (echo -n ABC; cat %t/IN/12) > %t/IN/ABC +RUN: %t-Fuzz -focus_function=f0 -runs=0 %t/IN 2>&1 | FileCheck %s --check-prefix=ONE_FOCUSED_INPUT +ONE_FOCUSED_INPUT: INFO: 1/3 inputs touch the focus function + +RUN: rm -rf %t/DFT_DIR +RUN: %libfuzzer_src/scripts/collect_data_flow.py %t-DFT %t/IN %t/DFT_DIR + +# Repat twice to make sure that the inputs with DFT are not removed from the corpus. +RUN: %t-Fuzz -focus_function=f0 -data_flow_trace=%t/DFT_DIR -runs=100 %t/IN 2>&1 | FileCheck %s --check-prefix=HAVE_DFT +RUN: %t-Fuzz -focus_function=f0 -data_flow_trace=%t/DFT_DIR -runs=100 %t/IN 2>&1 | FileCheck %s --check-prefix=HAVE_DFT +HAVE_DFT: INFO: 1/{{.*}} inputs have the Data Flow Trace |