Hi Thomas, There may be a bug in the testrunner. I will investigate. All I can suggest you right now is to run the fuzzer code manually, or with your own testrunner.
Thanks for telling us about this issue. Cheers, Andreas On Wed, Jul 22, 2020 at 9:36 AM Thomas Young <[email protected]> wrote: > Hi Andreas, thank you for your reply! > > Indeed, I would like to test the fuzzer code. The test script collects 37 > base tests but produced 0 non-filtered tests. > > Is this a right output below and why there is 0 non-filtered tests ? > > >>> Autodetected: > pointer_compression > >>> Loading test suite: fuzzer > >>> Running tests for x64.release > >>> Running with test processors > [00:00|% 0|+ 0|- 0]: Done > >>> 37 base tests produced 0 (0%) non-filtered tests > >>> 0 tests ran > > Thank you again! > > 'Andreas Haas' via v8-dev <[email protected]> 于2020年7月22日周三 > 下午1:26写道： > >> Hi, >> >> The v8_simple_wasm_*_fuzzer binaries exist just to reproduce issues found >> by libFuzzer <https://llvm.org/docs/LibFuzzer.html>-based fuzzers in >> Chromium. These binaries don't produce any output other than crashing or >> not crashing. You can take a look at >> https://github.com/v8/v8/blob/master/test/fuzzer/README.md#changes-to-chromium >> on >> how to run the fuzzers in Chromium. >> >> The tests run by fuzzer/testcfg.py are supposed to test the fuzzer code, >> not to start fuzzing itself. >> >> Cheers, >> Andreas >> >> On Wed, Jul 22, 2020 at 7:01 AM Thomas Young <[email protected]> >> wrote: >> >>> Hi, does v8-team disable fuzzer test as default? >>> >>> I notice that class TestLoader of fuzzer/testcfg.py extends >>> testsuite.GenericTestLoader, so each loaded file will be filtered when we >>> execute " *tools/run-tests.py --outdir=out/x64.release fuzzer "* >>> >>> Could you please tell me how to enable fuzzer test in v8, and why >>> TestLoader extends testsuite.GenericTestLoader instead of >>> testsuite.TestLoader ? >>> >>> Thank you very much! >>> >>> >>> 在2017年6月5日星期一 UTC+8 下午6:09:58<[email protected]> 写道： >>> >>>> The simple fuzzers not really fuzzers but just testing the libfuzzer >>>> backends against known inputs. Even if you run them using libfuzzer, they >>>> shouldn't output anything - we just test for "not crashing". >>>> >>>> On Mon, Jun 5, 2017 at 11:51 AM <[email protected]> wrote: >>>> >>>>> >>>>> i want running wasm fuzzer in v8 >>>>> >>>>> >>>>> <https://lh3.googleusercontent.com/-XQR2JTny08Y/WTUn2CppM1I/AAAAAAAAOnk/uQA1Ghno-8sgjnqNsapUmsKFKuyEj7-ZwCLcB/s1600/20170605_184325.png> >>>>> >>>>> >>>>> >>>>> I want to run v8_simple_wasm _ ** _ fuzzer. >>>>> >>>>> So I used the * .wasm file as the <input>. >>>>> >>>>> But there was no reaction. >>>>> >>>>> No log was generated, >>>>> >>>>> No error message is generated. >>>>> >>>>> >>>>> Is it wrong to use a .wasm file as input? >>>>> >>>>> Should I use a file converted to .js? >>>>> >>>>> Or do you need a special .wasm file as the input file? >>>>> >>>>> If my inquiry does not fit here, I apologize if it is wrong. >>>>> >>>>> If there is a group or site discussing wasm in v8, please let me know. >>>>> >>>>> >>>>> Thank you! >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> -- >>>>> v8-dev mailing list >>>>> [email protected] >>>>> http://groups.google.com/group/v8-dev >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "v8-dev" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>> -- >>> v8-dev mailing list >>> [email protected] >>> http://groups.google.com/group/v8-dev >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "v8-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/v8-dev/75177ec3-1055-4acc-81e4-26329990edb4n%40googlegroups.com >>> <https://groups.google.com/d/msgid/v8-dev/75177ec3-1055-4acc-81e4-26329990edb4n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/CAELSTvecKZyNPKdAsFeQkOZdCfCR6j2eQ3ONEc38NHyiK%2B463g%40mail.gmail.com >> <https://groups.google.com/d/msgid/v8-dev/CAELSTvecKZyNPKdAsFeQkOZdCfCR6j2eQ3ONEc38NHyiK%2B463g%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/CAG%3D2e1OkRba06rXSVms87piN190N9dHRf8a2twtB09A77t1KBA%40mail.gmail.com > <https://groups.google.com/d/msgid/v8-dev/CAG%3D2e1OkRba06rXSVms87piN190N9dHRf8a2twtB09A77t1KBA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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