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Differential D7032

fuzz: exercise a little more revlog code
ClosedPublic

Authored by durin42 on Oct 9 2019, 11:00 AM.

Details

Reviewers
indygreg
Group Reviewers
hg-reviewers
Commits
rHG36e386dbbd30: fuzz: exercise a little more revlog code
rHGdc827f5aba93: fuzz: exercise a little more revlog code

Diff Detail

Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Revision Contents
Changeset List

PathPackages
Mcontrib/fuzz/revlog.cc (7 lines)

Diff 17033

contrib/fuzz/revlog.cc

{ {
contrib::initpy(*argv[0]); contrib::initpy(*argv[0]);
code = (PyCodeObject *)Py_CompileString(R"py( code = (PyCodeObject *)Py_CompileString(R"py(
from parsers import parse_index2 from parsers import parse_index2
for inline in (True, False): for inline in (True, False):
try: try:
index, cache = parse_index2(data, inline) index, cache = parse_index2(data, inline)
index.slicechunktodensity(list(range(len(index))), 0.5, 262144) index.slicechunktodensity(list(range(len(index))), 0.5, 262144)
index.stats()
index.findsnapshots({}, 0)
10 in index
for rev in range(len(index)): for rev in range(len(index)):
index.reachableroots(0, [len(index)-1], [rev])
node = index[rev][7] node = index[rev][7]
partial = index.shortest(node) partial = index.shortest(node)
index.partialmatch(node[:partial]) index.partialmatch(node[:partial])
index.deltachain(rev, None, True)
except Exception as e: except Exception as e:
pass pass
# uncomment this print if you're editing this Python code # uncomment this print if you're editing this Python code
# to debug failures. # to debug failures.
# print e # print e
)py", )py",
"fuzzer", Py_file_input); "fuzzer", Py_file_input);
return 0; return 0;
} }
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{ {
// Don't allow fuzzer inputs larger than 60k, since we'll just bog // Don't allow fuzzer inputs larger than 60k, since we'll just bog
// down and not accomplish much. // down and not accomplish much.
if (Size > 60000) { if (Size > 60000) {