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Deferring the forkserver initialization doesn't make sense for some of
our targets since they involve state that can't be forked (e.g.
threads). We therefore remove the use of __AFL_INIT entirely.
We also increase the __AFL_LOOP count to 100000. Our fuzz targets are
meant to all be deterministic and stateless therefore this should be
fine.
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Using shared-memory is faster than reading from stdin, see
https://github.com/AFLplusplus/AFLplusplus/blob/7d2122e0596132f9344a5d0896020ebc79cd33db/instrumentation/README.persistent_mode.md
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* This allows to reduce the number of total macros.
* Also, adding a new option no longer requires doubling the number of
macros in the worst case.
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Also, add missing includes.
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The fs.* files are already part of the libbitcoin_util library. With the
introduction of the fs_helpers.* it makes sense to move fs.* into the
util/ directory as well.
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
Commits of previous years:
- 2021: f47dda2c58b5d8d623e0e7ff4e74bc352dfa83d7
- 2020: fa0074e2d82928016a43ca408717154a1c70a4db
- 2019: aaaaad6ac95b402fe18d019d67897ced6b316ee0
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Co-Authored-By: Anthony Ronning <anthonyronning@gmail.com>
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Warning: Replacing fs::system_complete calls with fs::absolute calls
in this commit may cause minor changes in behaviour because fs::absolute
no longer strips trailing slashes; however these changes are believed to
be safe.
Co-authored-by: Russell Yanofsky <russ@yanofsky.org>
Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
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Part of #20744, but this can be done now, and will simplify the diff.
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Retrieve the command line arguments from the fuzzer and save them for
later retrieval by `BasicTestingSetup` so that we gain extra flexibility
of passing any config options on the test command line, e.g.:
```
FUZZ=addrman ./src/test/fuzz/fuzz --checkaddrman=5
```
A fuzz test should call `MakeNoLogFileContext<>()` in its initialize
function in order to invoke the constructor of `BasicTestingSetup`,
which sets `gArgs`.
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Retrieve the command line arguments from boost and pass them to
`BasicTestingSetup` so that we gain extra flexibility of passing any
config options on the test command line, e.g.:
```
test_bitcoin -- -printtoconsole=1 -checkaddrman=5
```
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lookup (belts and suspenders)
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socket (belt and suspenders)
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-BEGIN VERIFY SCRIPT-
# Rename
sed -i -e 's/MakeFuzzingContext/MakeNoLogFileContext/g' $(git grep -l MakeFuzzingContext)
# Bump the copyright of touched files in this scripted diff to avoid touching them again later
./contrib/devtools/copyright_header.py update ./src/test/fuzz/
-END VERIFY SCRIPT-
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-BEGIN VERIFY SCRIPT-
sed -i -e 's/PROVIDE_MAIN_FUNCTION/PROVIDE_FUZZ_MAIN_FUNCTION/g' $(git grep -l PROVIDE_MAIN_FUNCTION)
-END VERIFY SCRIPT-
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Can be reviewed with --ignore-all-space
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
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libFuzzer will provide a main(). This also fixes a weak linking
issue when fuzzing with libFuzzer on macOS.
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when needed.
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