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Dongjia "toka" Zhang 2025-01-28 17:06:41 +01:00 committed by GitHub
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@ -25,8 +25,11 @@ You should *never* use the `EDGES_MAP`'s size as this is just the size of the al
## Q. I still have problems with my fuzzer. ## Q. I still have problems with my fuzzer.
Finally, if you really have no idea what is going on, run your fuzzer with logging enabled. (You can use `env_logger`, `SimpleStdoutLogger`, `SimpleStderrLogger` from `libafl_bolts`. `fuzzbench_text` has an example to show how to use it.) (Don't forget to enable stdout and stderr), and you can open an issue or ask us in Discord. Finally, if you really have no idea what is going on, run your fuzzer with logging enabled. (You can use `env_logger`, `SimpleStdoutLogger`, `SimpleStderrLogger` from `libafl_bolts`. `fuzzbench_text` has an example to show how to use it.) (Don't forget to enable stdout and stderr), and you can open an issue or ask us in Discord.
## Q. My fuzzer died of ``Storing state in crashed fuzzer instance did not work''. ## Q. My fuzzer died of `Storing state in crashed fuzzer instance did not work`.
If the exit code is zero, then this is because either your harness exited or you are using fuzzer_loop_for and forgot to add `mgr.on_restart` at the end of the fuzzer. In the first case, you should patch your harness not to exit. (or use `utils/deexit`). If the exit code is zero, then this is because either your harness exited or you are using fuzzer_loop_for and forgot to add `mgr.on_restart` at the end of the fuzzer. In the first case, you should patch your harness not to exit. (or use `utils/deexit`).
## Q. I can't leave the TUI screen ## Q. I can't leave the TUI screen
Type `q` then you leave TUI. Type `q` then you leave TUI.
## Q. I see `QEMU internal SIGSEGV {code=MAPERR, addr=0x48}` and my QEMU fuzzer doesn't run.
Are you running QEMU fuzzer on WSL? You have to enable vsyscall https://github.com/microsoft/WSL/issues/4694#issuecomment-556095344.