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Explorer: readme: clarify fuzzer debugging (#2905)

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Slightly clarify the debugging process in case of fuzzer crash with Explorer.
This commit is contained in:
Adrien Leravat
2023-06-15 09:18:16 -07:00
committed by GitHub
parent 1505a634a4
commit da647f579a
1 changed files with 7 additions and 5 deletions
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explorer/fuzzing/README.md
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@@ -83,11 +83,13 @@ bazel-bin/explorer/fuzzing/explorer_fuzzer.full_corpus
## Investigating a crash
Typically it's going to be easiest to run explorer on directly. You can do this
with:
Typically it's going to be easiest to run explorer on the problematic carbon
program directly. You can do this with:
````bash
# Convert the crash to a source file.
```bash
# Convert a specific fuzzer test to a source file
bazel run //common/fuzzing:proto_to_carbon -- explorer/fuzzing/fuzzer_corpus/abcd1234 > crash.carbon
# Or convert the crash to a source file.
bazel run //common/fuzzing:proto_to_carbon -- /tmp/crash.textproto > crash.carbon
# Run explorer on the crash.
@@ -98,7 +100,7 @@ It's also possible to run the fuzzer on a single input:
```bash
bazel-bin/explorer/fuzzing/explorer_fuzzer.full_corpus /tmp/crash.textproto
````
```
## Generating new fuzzer corpus entries