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Update fuzzer_environment.md

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Abhishek Arya 2017-01-10 12:44:14 -08:00 committed by GitHub
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docs/fuzzer_environment.md
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Your fuzz targets will be run on a [Google Compute Engine](https://cloud.google.com/compute/) VM (Linux) with some security restrictions.
## Dependencies
You should not make any assumptions on the availability of dependent packages
and libraries in the execution environment. Make sure to statically link any
library dependencies with your fuzz target executable during build time
([example](https://github.com/google/oss-fuzz/blob/master/projects/tor/build.sh#L40)).
All build artifacts needed during fuzz target execution should be inside `$OUT`
directory, and other directories like `$WORK`, `$SRC`, etc will not be accessible.
You can ensure that the fuzz target works correctly by using `run_fuzzer` command
(see instructions [here](docs/new_project_guide.md#testing-locally)).
## Current working directory
You should not make any assumptions about the current working directory of your
@ -11,7 +22,7 @@ directory where your fuzz target executable is located.
## File system
Everything except `/tmp` is read-only, including the directory that your fuzz target
executable lives in. Note that `/tmp` is limited in size (64MB).
executable lives in.
`/dev` is also unavailable.