annotate contrib/fuzz/revlog.cc @ 50916:98b8836d0e82

hgweb: use sysstr to set attribute on diff option Attribute identifier should be `str` not `bytes`.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 01 Sep 2023 12:09:54 +0200
parents efbbc2f9121e
children
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rev   line source
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1 #include <Python.h>
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2 #include <assert.h>
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3 #include <stdlib.h>
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4 #include <unistd.h>
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5
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6 #include <string>
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7
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8 #include "pyutil.h"
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9
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10 extern "C" {
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11
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12 static PYCODETYPE *code;
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13
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14 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
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15 {
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16 contrib::initpy(*argv[0]);
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17 code = (PYCODETYPE *)Py_CompileString(R"py(
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18 for inline in (True, False):
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19 try:
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20 index, cache = parsers.parse_index2(data, inline)
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21 index.slicechunktodensity(list(range(len(index))), 0.5, 262144)
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22 index.stats()
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23 index.findsnapshots({}, 0, len(index) - 1)
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24 10 in index
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25 for rev in range(len(index)):
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26 index.reachableroots(0, [len(index)-1], [rev])
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27 node = index[rev][7]
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28 partial = index.shortest(node)
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29 index.partialmatch(node[:partial])
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30 index.deltachain(rev, None, True)
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31 except Exception as e:
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32 pass
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33 # uncomment this print if you're editing this Python code
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34 # to debug failures.
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35 # print e
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36 )py",
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37 "fuzzer", Py_file_input);
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38 return 0;
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39 }
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40
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41 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
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42 {
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43 // Don't allow fuzzer inputs larger than 60k, since we'll just bog
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44 // down and not accomplish much.
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45 if (Size > 60000) {
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46 return 0;
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47 }
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48 PyObject *text =
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49 PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size);
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50 PyObject *locals = PyDict_New();
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51 PyDict_SetItemString(locals, "data", text);
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52 PyObject *res = PyEval_EvalCode(code, contrib::pyglobals(), locals);
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53 if (!res) {
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54 PyErr_Print();
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55 }
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56 Py_XDECREF(res);
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57 Py_DECREF(locals);
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58 Py_DECREF(text);
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59 return 0; // Non-zero return values are reserved for future use.
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60 }
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61 }