WebAssembly / WebAssembly/binaryen

Fuzzer iteration takes over an hour

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#5,916 1 comment 0 reactions 0 assignees View on GitHub

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Dominant language
WebAssembly
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Description

At commit 0d3c2eeb634913643f2cade4b5d738962b2308c2 I'm getting this:

$ time ./scripts/fuzz_opt.py --auto-initial-contents 2795924036512128284
<...>
real    87m56.269s
user    87m55.172s
sys     0m1.603s

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Research direction

Reproduce the report at commit 0d3c2eeb634913643f2cade4b5d738962b2308c2 using scripts/fuzz_opt.py and the supplied --auto-initial-contents value. Start by profiling or tracing this command to identify why one fuzzer iteration takes over an hour; done means the cause is understood and the iteration completes substantially faster.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, wasm
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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