diff options
| author | Eduard-Mihai Burtescu <edy.burt@gmail.com> | 2020-11-05 19:29:14 +0200 |
|---|---|---|
| committer | Eduard-Mihai Burtescu <eddyb@lyken.rs> | 2022-06-13 07:59:50 +0000 |
| commit | a10f0d2c5d022bbc212b4dae08f88c79b91c744e (patch) | |
| tree | f80ec976bb37d7bd06848521134440f3e27f43a5 | |
| parent | 07c7ba72056cf03830dc508ad634b9c371cd4a89 (diff) | |
| download | rust-a10f0d2c5d022bbc212b4dae08f88c79b91c744e.tar.gz rust-a10f0d2c5d022bbc212b4dae08f88c79b91c744e.zip | |
rustc: disable jemalloc's time-delayed purging to remove ASLR-like effects.
| -rw-r--r-- | compiler/rustc/src/main.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/rustc/src/main.rs b/compiler/rustc/src/main.rs index 0de1a781913..8d6f9b394ee 100644 --- a/compiler/rustc/src/main.rs +++ b/compiler/rustc/src/main.rs @@ -56,6 +56,12 @@ fn main() { #[used] static _F7: unsafe extern "C" fn() = _rjem_je_zone_register; } + + // HACK(eddyb) disable time-delayed purging to remove the main (only?) + // source of non-determinism in `jemalloc`. + #[used] + #[export_name = "malloc_conf"] + static MALLOC_CONF: &'static [u8; 34] = b"dirty_decay_ms:0,muzzy_decay_ms:0\0"; } rustc_driver::set_sigpipe_handler(); |