summaryrefslogtreecommitdiff
path: root/lib/fuzzer/FuzzerFlags.def
blob: 2887fd24d480c0cd66f82122fa759df8375dd797 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
//===- FuzzerFlags.def - Run-time flags -------------------------*- C++ -* ===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Flags. FUZZER_FLAG_INT/FUZZER_FLAG_STRING macros should be defined at the
// point of inclusion. We are not using any flag parsing library for better
// portability and independence.
//===----------------------------------------------------------------------===//
FUZZER_FLAG_INT(verbosity, 1, "Verbosity level.")
FUZZER_FLAG_UNSIGNED(seed, 0, "Random seed. If 0, seed is generated.")
FUZZER_FLAG_INT(runs, -1,
            "Number of individual test runs (-1 for infinite runs).")
FUZZER_FLAG_INT(max_len, 0, "Maximum length of the test input. "
    "If 0, libFuzzer tries to guess a good value based on the corpus "
    "and reports it. ")
FUZZER_FLAG_INT(experimental_len_control, 0, "experimental flag")
FUZZER_FLAG_INT(cross_over, 1, "If 1, cross over inputs.")
FUZZER_FLAG_INT(mutate_depth, 5,
            "Apply this number of consecutive mutations to each input.")
FUZZER_FLAG_INT(shuffle, 1, "Shuffle inputs at startup")
FUZZER_FLAG_INT(prefer_small, 1,
    "If 1, always prefer smaller inputs during the corpus shuffle.")
FUZZER_FLAG_INT(
    timeout, 1200,
    "Timeout in seconds (if positive). "
    "If one unit runs more than this number of seconds the process will abort.")
FUZZER_FLAG_INT(error_exitcode, 77, "When libFuzzer itself reports a bug "
  "this exit code will be used.")
FUZZER_FLAG_INT(timeout_exitcode, 77, "When libFuzzer reports a timeout "
  "this exit code will be used.")
FUZZER_FLAG_INT(max_total_time, 0, "If positive, indicates the maximal total "
                                   "time in seconds to run the fuzzer.")
FUZZER_FLAG_INT(help, 0, "Print help.")
FUZZER_FLAG_INT(merge, 0, "If 1, the 2-nd, 3-rd, etc corpora will be "
  "merged into the 1-st corpus. Only interesting units will be taken. "
  "This flag can be used to minimize a corpus.")
FUZZER_FLAG_STRING(merge_control_file, "internal flag")
FUZZER_FLAG_STRING(save_coverage_summary, "Experimental:"
                   " save coverage summary to a given file."
                   " Used with -merge=1")
FUZZER_FLAG_STRING(load_coverage_summary, "Experimental:"
                   " load coverage summary from a given file."
                   " Treat this coverage as belonging to the first corpus. "
                   " Used with -merge=1")
FUZZER_FLAG_INT(minimize_crash, 0, "If 1, minimizes the provided"
  " crash input. Use with -runs=N or -max_total_time=N to limit "
  "the number attempts."
  " Use with -exact_artifact_path to specify the output."
  " Combine with ASAN_OPTIONS=dedup_token_length=3 (or similar) to ensure that"
  " the minimized input triggers the same crash."
  )
FUZZER_FLAG_INT(cleanse_crash, 0, "If 1, tries to cleanse the provided"
  " crash input to make it contain fewer original bytes."
  " Use with -exact_artifact_path to specify the output."
  )
FUZZER_FLAG_INT(minimize_crash_internal_step, 0, "internal flag")
FUZZER_FLAG_INT(use_counters, 1, "Use coverage counters")
FUZZER_FLAG_INT(use_indir_calls, 1, "Use indirect caller-callee counters")
FUZZER_FLAG_INT(use_memmem, 1,
                "Use hints from intercepting memmem, strstr, etc")
FUZZER_FLAG_INT(use_value_profile, 0,
                "Experimental. Use value profile to guide fuzzing.")
FUZZER_FLAG_INT(use_cmp, 1, "Use CMP traces to guide mutations")
FUZZER_FLAG_INT(shrink, 0, "Experimental. Try to shrink corpus inputs.")
FUZZER_FLAG_INT(reduce_inputs, 1,
  "Try to reduce the size of inputs while preserving their full feature sets")
FUZZER_FLAG_UNSIGNED(jobs, 0, "Number of jobs to run. If jobs >= 1 we spawn"
                          " this number of jobs in separate worker processes"
                          " with stdout/stderr redirected to fuzz-JOB.log.")
FUZZER_FLAG_UNSIGNED(workers, 0,
            "Number of simultaneous worker processes to run the jobs."
            " If zero, \"min(jobs,NumberOfCpuCores()/2)\" is used.")
FUZZER_FLAG_INT(reload, 1,
                "Reload the main corpus every <N> seconds to get new units"
                " discovered by other processes. If 0, disabled")
FUZZER_FLAG_INT(report_slow_units, 10,
    "Report slowest units if they run for more than this number of seconds.")
FUZZER_FLAG_INT(only_ascii, 0,
                "If 1, generate only ASCII (isprint+isspace) inputs.")
FUZZER_FLAG_STRING(dict, "Experimental. Use the dictionary file.")
FUZZER_FLAG_STRING(artifact_prefix, "Write fuzzing artifacts (crash, "
                                    "timeout, or slow inputs) as "
                                    "$(artifact_prefix)file")
FUZZER_FLAG_STRING(exact_artifact_path,
                   "Write the single artifact on failure (crash, timeout) "
                   "as $(exact_artifact_path). This overrides -artifact_prefix "
                   "and will not use checksum in the file name. Do not "
                   "use the same path for several parallel processes.")
FUZZER_FLAG_INT(print_pcs, 0, "If 1, print out newly covered PCs.")
FUZZER_FLAG_INT(print_final_stats, 0, "If 1, print statistics at exit.")
FUZZER_FLAG_INT(print_corpus_stats, 0,
  "If 1, print statistics on corpus elements at exit.")
FUZZER_FLAG_INT(print_coverage, 0, "If 1, print coverage information as text"
                                   " at exit.")
FUZZER_FLAG_INT(dump_coverage, 0, "If 1, dump coverage information as a"
                                  " .sancov file at exit.")
FUZZER_FLAG_INT(handle_segv, 1, "If 1, try to intercept SIGSEGV.")
FUZZER_FLAG_INT(handle_bus, 1, "If 1, try to intercept SIGBUS.")
FUZZER_FLAG_INT(handle_abrt, 1, "If 1, try to intercept SIGABRT.")
FUZZER_FLAG_INT(handle_ill, 1, "If 1, try to intercept SIGILL.")
FUZZER_FLAG_INT(handle_fpe, 1, "If 1, try to intercept SIGFPE.")
FUZZER_FLAG_INT(handle_int, 1, "If 1, try to intercept SIGINT.")
FUZZER_FLAG_INT(handle_term, 1, "If 1, try to intercept SIGTERM.")
FUZZER_FLAG_INT(handle_xfsz, 1, "If 1, try to intercept SIGXFSZ.")
FUZZER_FLAG_INT(close_fd_mask, 0, "If 1, close stdout at startup; "
    "if 2, close stderr; if 3, close both. "
    "Be careful, this will also close e.g. asan's stderr/stdout.")
FUZZER_FLAG_INT(detect_leaks, 1, "If 1, and if LeakSanitizer is enabled "
    "try to detect memory leaks during fuzzing (i.e. not only at shut down).")
FUZZER_FLAG_INT(trace_malloc, 0, "If >= 1 will print all mallocs/frees. "
    "If >= 2 will also print stack traces.")
FUZZER_FLAG_INT(rss_limit_mb, 2048, "If non-zero, the fuzzer will exit upon"
    "reaching this limit of RSS memory usage.")
FUZZER_FLAG_STRING(exit_on_src_pos, "Exit if a newly found PC originates"
    " from the given source location. Example: -exit_on_src_pos=foo.cc:123. "
    "Used primarily for testing libFuzzer itself.")
FUZZER_FLAG_STRING(exit_on_item, "Exit if an item with a given sha1 sum"
    " was added to the corpus. "
    "Used primarily for testing libFuzzer itself.")
FUZZER_FLAG_INT(ignore_remaining_args, 0, "If 1, ignore all arguments passed "
                "after this one. Useful for fuzzers that need to do their own "
                "argument parsing.")

FUZZER_FLAG_STRING(run_equivalence_server, "Experimental")
FUZZER_FLAG_STRING(use_equivalence_server, "Experimental")
FUZZER_FLAG_INT(analyze_dict, 0, "Experimental")

FUZZER_DEPRECATED_FLAG(exit_on_first)
FUZZER_DEPRECATED_FLAG(save_minimized_corpus)
FUZZER_DEPRECATED_FLAG(sync_command)
FUZZER_DEPRECATED_FLAG(sync_timeout)
FUZZER_DEPRECATED_FLAG(test_single_input)
FUZZER_DEPRECATED_FLAG(drill)
FUZZER_DEPRECATED_FLAG(truncate_units)
FUZZER_DEPRECATED_FLAG(output_csv)