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curl/tests/fuzz/README

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fuzz: bring oss-fuzz initial code converted to C89
2017-05-09 14:07:28 -04:00
Fuzz tests
==========
The goal is to add tests for *ALL* protocols supported in libcurl.
Building the fuzz target
========================
ossfuzz: moving towards the ideal integration - Start with the basic code from the ossfuzz project. - Rewrite fuzz corpora to be binary files full of Type-Length-Value data, and write a glue layer in the fuzzing function to convert corpora into CURL options. - Have supporting functions to generate corpora from existing tests - Integrate with Makefile.am
2017-08-27 10:57:05 -04:00
From the CURL root directory:
fuzz: bring oss-fuzz initial code converted to C89
2017-05-09 14:07:28 -04:00
ossfuzz: moving towards the ideal integration - Start with the basic code from the ossfuzz project. - Rewrite fuzz corpora to be binary files full of Type-Length-Value data, and write a glue layer in the fuzzing function to convert corpora into CURL options. - Have supporting functions to generate corpora from existing tests - Integrate with Makefile.am
2017-08-27 10:57:05 -04:00
export CC=clang-5.0
ossfuzz: Move to C++ for curl_fuzzer. Automake gets confused if you want to use C++ static libraries with C code - basically we need to involve the clang++ linker. The easiest way of achieving this is to rename the C code as C++ code. This gets us a bit further along the path and ought to be compatible with Google's version of clang.
2017-09-01 16:48:41 -04:00
export CXX=clang++-5.0
ossfuzz: moving towards the ideal integration - Start with the basic code from the ossfuzz project. - Rewrite fuzz corpora to be binary files full of Type-Length-Value data, and write a glue layer in the fuzzing function to convert corpora into CURL options. - Have supporting functions to generate corpora from existing tests - Integrate with Makefile.am
2017-08-27 10:57:05 -04:00
export CFLAGS="-fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp"
ossfuzz: Move to C++ for curl_fuzzer. Automake gets confused if you want to use C++ static libraries with C code - basically we need to involve the clang++ linker. The easiest way of achieving this is to rename the C code as C++ code. This gets us a bit further along the path and ought to be compatible with Google's version of clang.
2017-09-01 16:48:41 -04:00
export CXXFLAGS="-fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp -stdlib=libc++"
ossfuzz: moving towards the ideal integration - Start with the basic code from the ossfuzz project. - Rewrite fuzz corpora to be binary files full of Type-Length-Value data, and write a glue layer in the fuzzing function to convert corpora into CURL options. - Have supporting functions to generate corpora from existing tests - Integrate with Makefile.am
2017-08-27 10:57:05 -04:00
./configure --disable-shared --enable-debug --enable-maintainer-mode
fuzz/README: document how to build Fixes #1476
2017-06-15 11:08:59 -04:00
make -sj
cd tests/fuzz
ossfuzz: moving towards the ideal integration - Start with the basic code from the ossfuzz project. - Rewrite fuzz corpora to be binary files full of Type-Length-Value data, and write a glue layer in the fuzzing function to convert corpora into CURL options. - Have supporting functions to generate corpora from existing tests - Integrate with Makefile.am
2017-08-27 10:57:05 -04:00
(optional) export LIB_FUZZING_ENGINE=<path to libFuzzer.a>
make check
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