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Increase fuzzing memory limit #342

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Mar 11, 2025
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Increase fuzzing memory limit #342

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11 changes: 8 additions & 3 deletions Justfile
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Original file line number Diff line number Diff line change
Expand Up @@ -189,19 +189,24 @@ bench-ci baseline target=default-target features="":
bench target=default-target features="":
cargo bench --profile={{ if target == "debug" { "dev" } else { target } }} {{ if features =="" {''} else { "--features " + features } }} -- --verbose

#####################################
# FUZZING
#####################################

# Enough memory (4GB) for the fuzzer to run for 5 hours, with address sanitizer turned on
fuzz_memory_limit := "4096"

# Fuzzes the given target
fuzz fuzz-target:
cargo +nightly fuzz run {{ fuzz-target }} --release
cargo +nightly fuzz run {{ fuzz-target }} --release -- -rss_limit_mb={{ fuzz_memory_limit }}

# Fuzzes the given target. Stops after `max_time` seconds
fuzz-timed fuzz-target max_time:
cargo +nightly fuzz run {{ fuzz-target }} --release -- -max_total_time={{ max_time }}
cargo +nightly fuzz run {{ fuzz-target }} --release -- -rss_limit_mb={{ fuzz_memory_limit }} -max_total_time={{ max_time }}

# Builds fuzzers for submission to external fuzzing services
build-fuzzers: (build-fuzzer "fuzz_guest_call") (build-fuzzer "fuzz_host_call") (build-fuzzer "fuzz_host_print")

# Builds the given fuzzer
build-fuzzer fuzz-target:
cargo +nightly fuzz build {{ fuzz-target }} --release -s none
cargo +nightly fuzz build {{ fuzz-target }} --release
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