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fuzzers: Use mimalloc and scudo in QEMU fuzzers #3552

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Merged
merged 1 commit into from
Nov 28, 2025
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fuzzers: Use mimalloc and scudo in QEMU fuzzers #3552

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797 changes: 563 additions & 234 deletions fuzzers/binary_only/fuzzbench_fork_qemu/Cargo.lock
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2 changes: 2 additions & 0 deletions fuzzers/binary_only/fuzzbench_fork_qemu/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,3 +34,5 @@ libafl_targets = { path = "../../../crates/libafl_targets" }
log = { version = "0.4.22", features = ["release_max_level_info"] }
clap = { version = "4.5.18", features = ["default"] }
env_logger = "0.11.7"
mimalloc = "0.1.48"
scudo = "0.1.3"
8 changes: 8 additions & 0 deletions fuzzers/binary_only/fuzzbench_fork_qemu/src/fuzzer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,14 @@ use libafl_qemu::{
};
use libafl_targets::{CMPLOG_MAP_PTR, EDGES_MAP_DEFAULT_SIZE};

#[cfg(all(not(miri), debug_assertions))]
#[global_allocator]
static GLOBAL: scudo::GlobalScudoAllocator = scudo::GlobalScudoAllocator;

#[cfg(all(not(miri), not(debug_assertions)))]
#[global_allocator]
static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;

/// The fuzzer main
pub fn main() {
// Registry the metadata types used in this fuzzer
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