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e54343a4
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2019-06-29T09:17:32
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fileops: rename to "futils.h" to match function signatures
Our file utils functions all have a "futils" prefix, e.g.
`git_futils_touch`. One would thus naturally guess that their
definitions and implementation would live in files "futils.h" and
"futils.c", respectively, but in fact they live in "fileops.h".
Rename the files to match expectations.
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3c966fb4
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2019-06-28T10:53:03
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fuzzers: clean up header includes
There's multiple headers included in our fuzzers that aren't required at
all. Furthermore, some of them are not available on Win32, causing
builds to fail. Remove them to fix this.
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69055813
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2019-06-28T10:50:01
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fuzzers: make printf formatters cross-platform compatible
The `printf` formatters in our standalone fuzzing driver are currently
using the "%m" specifier, which is a GNU extension that prints the error
message for the error code in `errno`. As we're using libgit2 functions
in both cases anyway, let's just use `git_error_last` instead to make
this valid on all platforms.
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6956a954
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2018-10-11T12:26:44
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fuzzers: initialize libgit2 in standalone driver
The standalone driver for libgit2's fuzzing targets makes use of
functions from libgit2 itself. While this is totally fine to do, we need
to make sure to always have libgit2 initialized via `git_libgit2_init`
before we call out to any of these. While this happens in most cases as
we call `LLVMFuzzerInitialize`, which is provided by our fuzzers and
which right now always calls `git_libgit2_init`, one exception to this
rule is our error path when not enough arguments have been given. In
this case, we will call `git_vector_free_deep` without libgit2 having
been initialized. As we did not set up our allocation functions in that
case, this will lead to a segmentation fault.
Fix the issue by always initializing and shutting down libgit2 in the
standalone driver. Note that we cannot let this replace the
initialization in `LLVMFuzzerInitialize`, as it is required when using
the "real" fuzzers by LLVM without our standalone driver. It's no
problem to call the initialization and deinitialization functions
multiple times, though.
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59328ed8
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2018-07-19T13:29:46
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fuzzers: rename "fuzz" directory to match our style
Our layout uses names like "examples" or "tests" which is why the "fuzz"
directory doesn't really fit in here. Rename the directory to be called
"fuzzers" instead. Furthermore, we rename the fuzzer "fuzz_packfile_raw"
to "packfile_raw_fuzzer", which is also in line with the already
existing fuzzer at google/oss-fuzz.
While at it, rename the "packfile_raw" fuzzer to instead just be called
"packfile" fuzzer.
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