test(fuzz): Use jemalloc for fuzz tests

fuzz/Cargo.toml

@@ -12,6 +12,7 @@ cargo-fuzz = true
 libfuzzer-sys = "0.4"
 arbitrary = { version = "1.3.2", features = ["derive"] }
 replace_with = "0.1.7"
+tikv-jemallocator = "0.5.4"
 
 [dependencies.zip]
 path = ".."

fuzz/fuzz_targets/fuzz_read.rs

@@ -1,10 +1,15 @@
 #![no_main]
+
 use libfuzzer_sys::fuzz_target;
 use std::io::{Read, Seek, SeekFrom};
+use tikv_jemallocator::Jemalloc;
 use zip::read::read_zipfile_from_stream;
 
 const MAX_BYTES_TO_READ: u64 = 1 << 24;
 
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
 fn decompress_all(data: &[u8]) -> Result<(), Box<dyn std::error::Error>> {
     let reader = std::io::Cursor::new(data);
     let mut zip = zip::ZipArchive::new(reader)?;

fuzz/fuzz_targets/fuzz_write.rs

@@ -7,8 +7,12 @@ use libfuzzer_sys::fuzz_target;
 use replace_with::replace_with_or_abort;
 use std::io::{Cursor, Read, Seek, Write};
 use std::path::PathBuf;
+use tikv_jemallocator::Jemalloc;
 use zip::unstable::path_to_string;
 
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
 #[derive(Arbitrary, Clone)]
 pub enum BasicFileOperation<'k> {
     WriteNormalFile {