function of StartRssThread always throw an instance of 'std::system_error'

[yog...@gmail.com]

I build my target in LINUX succ,however I got this when to run it:

terminate called after throwing an instance of 'std:system_error'

what(): Invalid argument

Aborted (core dumped)

then I debug the libfuzzer source file , found the target crash in rss thread detach

static void StartRssThread(Fuzzer *F, size_t RssLimitMb) {

  if (!RssLimitMb) return;

  std::thread T(RssThread, F, RssLimitMb);

  T.detach();

}

then I google this error, found this error come from The thread object is not joinable

why and how can I fix it?

[Konstantin Serebryany]

Hi, 

You can disable this code with the flag -rss_limit_mb=0

If this doesn't help, please provide the exact command lines and versions of the software (kernel, compiler, libFuzzer, etc)

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[yog...@gmail.com]

it works with -rss_limit_mb=0

however it appear when I use jobs flag

jenkins_ci:~/fuzz/build$ ./fuzzer/DTMF_fuzzer

INFO: Seed: 9185234

terminate called after throwing an instance of 'std::system_error'

  what():  Invalid argument

Aborted (core dumped)

jenkins_ci:~/fuzz/build$ ./fuzzer/DTMF_fuzzer -rss_limit_mb=0 -runs=2

INFO: Seed: 1527351542

INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 4096 bytes

INFO: A corpus is not provided, starting from an empty corpus

#0      READ units: 1

#2      INITED cov: 1928 ft: 1927 corp: 1/1b exec/s: 0 rss: 58Mb

#2      DONE   cov: 1928 ft: 1927 corp: 1/1b exec/s: 0 rss: 58Mb

Done 2 runs in 0 second(s)

jenkins_ci:~/fuzz/build$ ./fuzzer/DTMF_fuzzer -rss_limit_mb=0 -runs=2 -jobs=1

terminate called after throwing an instance of 'std::system_error'

  what():  Invalid argument

Aborted (core dumped)

jenkins_ci:~/fuzz/build$ ./fuzzer/DTMF_fuzzer -rss_limit_mb=0 -runs=2 -jobs=2

Running 2 workers

[Konstantin Serebryany]

Looks like your system (or the way you build the code) does not support threads. 

Please provide all possible details (exact command line and versions of OS/compiler/libc)

--kcc 

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