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fuzzers: Fix the documentation

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Some of the commands are now out of date.
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lhchavez
2020-02-15 04:20:17 +00:00
parent ee3307a183
commit 795a5b2cdf
1 changed files with 7 additions and 6 deletions
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13
docs/fuzzing.md
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@@ -3,7 +3,7 @@
libgit2 is currently using [libFuzzer](https://libfuzzer.info) to perform
automated fuzz testing. libFuzzer only works with clang.
## Prerequisites** for building fuzz targets:
## Prerequisites for building fuzz targets:
1. All the prerequisites for [building libgit2](https://github.com/libgit2/libgit2).
2. A recent version of clang. 6.0 is preferred. [pre-build Debian/Ubuntu
@@ -27,14 +27,15 @@ automated fuzz testing. libFuzzer only works with clang.
## Run the fuzz targets
1. `ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolize-6.0
1. `ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolize
LSAN_OPTIONS=allocator_may_return_null=1
ASAN_OPTIONS=allocator_may_return_null=1 ./build/fuzz/fuzz_packfile_raw
fuzz/corpora/fuzz_packfile_raw/`
ASAN_OPTIONS=allocator_may_return_null=1 ./build/fuzzers/packfile_fuzzer
fuzzers/corpora/packfile/`
The `LSAN_OPTIONS` and `ASAN_OPTIONS` are there to allow `malloc(3)` to return
`NULL`. The `LLVM_PROFILE_FILE` is there to override the path where libFuzzer
will write the coverage report.
`NULL`, which is expected if a huge chunk of memory is allocated. The
`LLVM_PROFILE_FILE` environment string can also be added to override the path
where libFuzzer will write the coverage report.
## Get coverage