Patch librocksdb-sys to never enable jemalloc, which conflicts with mimalloc

Allows us to update mimalloc and enable the newly added guard pages.

Conflict identified by @PlasmaPower.

Cargo.toml

@@ -171,10 +171,6 @@ ark-ff-4 = { package = "ark-ff", path = "patches/ethereum/ark-ff-0.4" }
 c-kzg = { path = "patches/ethereum/c-kzg" }
 secp256k1-30 = { package = "secp256k1", path = "patches/ethereum/secp256k1-30" }
 
-# Updates to the latest version
-darling = { path = "patches/darling" }
-thiserror = { path = "patches/thiserror" }
-
 # Dependencies from monero-oxide which originate from within our own tree
 std-shims = { path = "patches/std-shims" }
 simple-request = { path = "patches/simple-request" }
@@ -185,12 +181,18 @@ dalek-ff-group = { path = "crypto/dalek-ff-group" }
 minimal-ed448 = { path = "crypto/ed448" }
 modular-frost = { path = "crypto/frost" }
 
+# Patch due to `std` now including the required functionality
+is_terminal_polyfill = { path = "./patches/is_terminal_polyfill" }
+# This has a non-deprecated `std` alternative since Rust's 2024 edition
+home = { path = "patches/home" }
+
+# Updates to the latest version
+darling = { path = "patches/darling" }
+thiserror = { path = "patches/thiserror" }
+
 # https://github.com/rust-lang-nursery/lazy-static.rs/issues/201
 lazy_static = { git = "https://github.com/rust-lang-nursery/lazy-static.rs", rev = "5735630d46572f1e5377c8f2ba0f79d18f53b10c" }
 
-# These has an `std` alternative since Rust's 2024 edition
-home = { path = "patches/home" }
-
 # directories-next was created because directories was unmaintained
 # directories-next is now unmaintained while directories is maintained
 # The directories author pulls in ridiculously pointless crates and prefers
@@ -203,8 +205,8 @@ directories-next = { path = "patches/directories-next" }
 k256 = { git = "https://github.com/kayabaNerve/elliptic-curves", rev = "4994c9ab163781a88cd4a49beae812a89a44e8c3" }
 p256 = { git = "https://github.com/kayabaNerve/elliptic-curves", rev = "4994c9ab163781a88cd4a49beae812a89a44e8c3" }
 
-# Patch due to `std` now including the required functionality
-is_terminal_polyfill = { path = "./patches/is_terminal_polyfill" }
+# `jemalloc` conflicts with `mimalloc`, so patch to a `rocksdb` which never uses `jemalloc`
+librocksdb-sys = { path = "patches/librocksdb-sys" }
 
 [workspace.lints.clippy]
 incompatible_msrv = "allow" # Manually verified with a GitHub workflow

orchestration/src/mimalloc.rs

@@ -7,10 +7,10 @@ FROM alpine:latest AS mimalloc-alpine
 RUN apk update && apk upgrade && apk --no-cache add gcc g++ libc-dev make cmake git
 RUN git clone https://github.com/microsoft/mimalloc && \
   cd mimalloc && \
-  git checkout 43ce4bd7fd34bcc730c1c7471c99995597415488 && \
+  git checkout fbd8b99c2b828428947d70fdc046bb55609be93e && \
   mkdir -p out/secure && \
   cd out/secure && \
-  cmake -DMI_SECURE=ON ../.. && \
+  cmake -DMI_SECURE=ON -DMI_GUARDED=on ../.. && \
   make && \
   cp ./libmimalloc-secure.so ../../../libmimalloc.so
 "#;
@@ -21,10 +21,10 @@ FROM debian:trixie-slim AS mimalloc-debian
 RUN apt update && apt upgrade -y && apt install -y gcc g++ make cmake git
 RUN git clone https://github.com/microsoft/mimalloc && \
   cd mimalloc && \
-  git checkout 43ce4bd7fd34bcc730c1c7471c99995597415488 && \
+  git checkout fbd8b99c2b828428947d70fdc046bb55609be93e && \
   mkdir -p out/secure && \
   cd out/secure && \
-  cmake -DMI_SECURE=ON ../.. && \
+  cmake -DMI_SECURE=ON -DMI_GUARDED=on ../.. && \
   make && \
   cp ./libmimalloc-secure.so ../../../libmimalloc.so
 "#;

patches/librocksdb-sys/Cargo.toml

@@ -0,0 +1,35 @@
+[package]
+name = "librocksdb-sys"
+version = "0.17.99"
+description = "Replacement for `librocksdb-sys` which removes the `jemalloc` feature"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/patches/librocksdb-sys"
+authors = ["Luke Parker <lukeparker5132@gmail.com>"]
+keywords = []
+edition = "2018"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[workspace]
+
+[dependencies]
+# librocksdb-sys 0.17.3+10.4.2, with the commit provided by crates.io in `cargo_vcs_info.json`
+librocksdb-sys = { git = "https://github.com/rust-rocksdb/rust-rocksdb", commit = "bb7d2168eab1bc7849f23adbcb825e3aba1bd2f4", default-features = false }
+
+[features]
+default = ["librocksdb-sys/default"]
+jemalloc = []
+static = ["librocksdb-sys/static"]
+bindgen-runtime = ["librocksdb-sys/bindgen-runtime"]
+bindgen-static = ["librocksdb-sys/bindgen-static"]
+mt_static = ["librocksdb-sys/mt_static"]
+io-uring = ["librocksdb-sys/io-uring"]
+snappy = ["librocksdb-sys/snappy"]
+lz4 = ["librocksdb-sys/lz4"]
+zstd = ["librocksdb-sys/zstd"]
+zlib = ["librocksdb-sys/zlib"]
+bzip2 = ["librocksdb-sys/bzip2"]
+rtti = ["librocksdb-sys/rtti"]
+lto = ["librocksdb-sys/lto"]

patches/librocksdb-sys/src/lib.rs

@@ -0,0 +1 @@
+pub use librocksdb_sys::*;