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