From b4923cfb953b203412f25823b2c5dbf4338b7730 Mon Sep 17 00:00:00 2001 From: Erin Date: Sun, 22 Oct 2023 04:21:45 +0200 Subject: [PATCH] Removed UB --- Cargo.lock | 324 +--------------------------------------------- hbxrt/Cargo.toml | 1 - hbxrt/src/main.rs | 40 +----- 3 files changed, 5 insertions(+), 360 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 4b39524..4faacd1 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -17,24 +17,6 @@ version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" -[[package]] -name = "aho-corasick" -version = "1.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0" -dependencies = [ - "memchr", -] - -[[package]] -name = "ansi_term" -version = "0.12.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2" -dependencies = [ - "winapi", -] - [[package]] name = "argh" version = "0.1.12" @@ -66,17 +48,6 @@ dependencies = [ "serde", ] -[[package]] -name = "atty" -version = "0.2.14" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8" -dependencies = [ - "hermit-abi", - "libc", - "winapi", -] - [[package]] name = "backtrace" version = "0.3.69" @@ -85,43 +56,13 @@ checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837" dependencies = [ "addr2line", "cc", - "cfg-if 1.0.0", + "cfg-if", "libc", "miniz_oxide", "object", "rustc-demangle", ] -[[package]] -name = "bindgen" -version = "0.53.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c72a978d268b1d70b0e963217e60fdabd9523a941457a6c42a7315d15c7e89e5" -dependencies = [ - "bitflags 1.3.2", - "cexpr", - "cfg-if 0.1.10", - "clang-sys", - "clap", - "env_logger", - "lazy_static", - "lazycell", - "log", - "peeking_take_while", - "proc-macro2", - "quote", - "regex", - "rustc-hash", - "shlex", - "which", -] - -[[package]] -name = "bitflags" -version = "1.3.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" - [[package]] name = "bitflags" version = "2.4.1" @@ -137,53 +78,12 @@ dependencies = [ "libc", ] -[[package]] -name = "cexpr" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27" -dependencies = [ - "nom", -] - -[[package]] -name = "cfg-if" -version = "0.1.10" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822" - [[package]] name = "cfg-if" version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" -[[package]] -name = "clang-sys" -version = "0.29.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fe6837df1d5cba2397b835c8530f51723267e16abbf83892e9e5af4f0e5dd10a" -dependencies = [ - "glob", - "libc", - "libloading", -] - -[[package]] -name = "clap" -version = "2.34.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c" -dependencies = [ - "ansi_term", - "atty", - "bitflags 1.3.2", - "strsim", - "textwrap", - "unicode-width", - "vec_map", -] - [[package]] name = "color-eyre" version = "0.6.2" @@ -211,19 +111,6 @@ dependencies = [ "tracing-error", ] -[[package]] -name = "env_logger" -version = "0.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36" -dependencies = [ - "atty", - "humantime", - "log", - "regex", - "termcolor", -] - [[package]] name = "eyre" version = "0.6.8" @@ -240,12 +127,6 @@ version = "0.28.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0" -[[package]] -name = "glob" -version = "0.3.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b" - [[package]] name = "hbbytecode" version = "0.1.0" @@ -266,25 +147,6 @@ version = "0.1.0" dependencies = [ "hbvm", "nix", - "setjmp", -] - -[[package]] -name = "hermit-abi" -version = "0.1.19" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" -dependencies = [ - "libc", -] - -[[package]] -name = "humantime" -version = "1.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f" -dependencies = [ - "quick-error", ] [[package]] @@ -299,34 +161,12 @@ version = "1.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" -[[package]] -name = "lazycell" -version = "1.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55" - [[package]] name = "libc" version = "0.2.149" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b" -[[package]] -name = "libloading" -version = "0.5.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753" -dependencies = [ - "cc", - "winapi", -] - -[[package]] -name = "log" -version = "0.4.20" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f" - [[package]] name = "memchr" version = "2.6.4" @@ -348,21 +188,11 @@ version = "0.27.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053" dependencies = [ - "bitflags 2.4.1", - "cfg-if 1.0.0", + "bitflags", + "cfg-if", "libc", ] -[[package]] -name = "nom" -version = "5.1.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "08959a387a676302eebf4ddbcbc611da04285579f76f88ee0506c63b1a61dd4b" -dependencies = [ - "memchr", - "version_check", -] - [[package]] name = "object" version = "0.32.1" @@ -384,12 +214,6 @@ version = "3.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f" -[[package]] -name = "peeking_take_while" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099" - [[package]] name = "pin-project-lite" version = "0.2.13" @@ -405,12 +229,6 @@ dependencies = [ "unicode-ident", ] -[[package]] -name = "quick-error" -version = "1.2.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0" - [[package]] name = "quote" version = "1.0.33" @@ -420,47 +238,12 @@ dependencies = [ "proc-macro2", ] -[[package]] -name = "regex" -version = "1.10.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343" -dependencies = [ - "aho-corasick", - "memchr", - "regex-automata", - "regex-syntax", -] - -[[package]] -name = "regex-automata" -version = "0.4.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f" -dependencies = [ - "aho-corasick", - "memchr", - "regex-syntax", -] - -[[package]] -name = "regex-syntax" -version = "0.8.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f" - [[package]] name = "rustc-demangle" version = "0.1.23" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76" -[[package]] -name = "rustc-hash" -version = "1.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" - [[package]] name = "serde" version = "1.0.189" @@ -481,17 +264,6 @@ dependencies = [ "syn 2.0.38", ] -[[package]] -name = "setjmp" -version = "0.1.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9bce8e042e9b4349ccf7ce5caeb5c9b7ee6007ff543b494733ae8ed4ea083c73" -dependencies = [ - "bindgen", - "clang-sys", - "libc", -] - [[package]] name = "sharded-slab" version = "0.1.7" @@ -501,18 +273,6 @@ dependencies = [ "lazy_static", ] -[[package]] -name = "shlex" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2" - -[[package]] -name = "strsim" -version = "0.8.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" - [[package]] name = "syn" version = "1.0.109" @@ -535,31 +295,13 @@ dependencies = [ "unicode-ident", ] -[[package]] -name = "termcolor" -version = "1.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6093bad37da69aab9d123a8091e4be0aa4a03e4d601ec641c327398315f62b64" -dependencies = [ - "winapi-util", -] - -[[package]] -name = "textwrap" -version = "0.11.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" -dependencies = [ - "unicode-width", -] - [[package]] name = "thread_local" version = "1.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152" dependencies = [ - "cfg-if 1.0.0", + "cfg-if", "once_cell", ] @@ -610,70 +352,12 @@ version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" -[[package]] -name = "unicode-width" -version = "0.1.11" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85" - [[package]] name = "valuable" version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d" -[[package]] -name = "vec_map" -version = "0.8.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" - -[[package]] -name = "version_check" -version = "0.9.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" - -[[package]] -name = "which" -version = "3.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d011071ae14a2f6671d0b74080ae0cd8ebf3a6f8c9589a2cd45f23126fe29724" -dependencies = [ - "libc", -] - -[[package]] -name = "winapi" -version = "0.3.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" -dependencies = [ - "winapi-i686-pc-windows-gnu", - "winapi-x86_64-pc-windows-gnu", -] - -[[package]] -name = "winapi-i686-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" - -[[package]] -name = "winapi-util" -version = "0.1.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596" -dependencies = [ - "winapi", -] - -[[package]] -name = "winapi-x86_64-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" - [[package]] name = "with_builtin_macros" version = "0.0.3" diff --git a/hbxrt/Cargo.toml b/hbxrt/Cargo.toml index 6831f3e..2fd08a9 100644 --- a/hbxrt/Cargo.toml +++ b/hbxrt/Cargo.toml @@ -7,4 +7,3 @@ default-run = "hbxrt" [dependencies] hbvm.path = "../hbvm" nix = { version = "0.27", features = ["mman", "signal"] } -setjmp = "0.1" diff --git a/hbxrt/src/main.rs b/hbxrt/src/main.rs index e10194b..ac0c022 100644 --- a/hbxrt/src/main.rs +++ b/hbxrt/src/main.rs @@ -4,10 +4,7 @@ mod mem; use { hbvm::{mem::Address, Vm, VmRunOk}, nix::sys::mman::{mmap, MapFlags, ProtFlags}, - setjmp::sigjmp_buf, - std::{ - cell::UnsafeCell, env::args, fs::File, mem::MaybeUninit, num::NonZeroUsize, process::exit, - }, + std::{env::args, fs::File, num::NonZeroUsize, process::exit}, }; fn main() -> Result<(), Box> { @@ -42,9 +39,6 @@ fn main() -> Result<(), Box> { unsafe { use nix::sys::signal; - static JMP_BUF: SyncUnsafeCell> = - SyncUnsafeCell::new(MaybeUninit::uninit()); - extern "C" fn action( _: std::ffi::c_int, info: *mut nix::libc::siginfo_t, @@ -52,19 +46,9 @@ fn main() -> Result<(), Box> { ) { unsafe { eprintln!("[E] Memory access fault at {:p}", (*info).si_addr()); - setjmp::siglongjmp((*JMP_BUF.get()).as_mut_ptr(), 1); } } - if setjmp::sigsetjmp((*JMP_BUF.get()).as_mut_ptr(), 0) > 0 { - eprintln!( - " Program counter: {:#x}\n\n== Registers ==\n{:?}", - vm.pc.get(), - vm.registers - ); - exit(3); - } - signal::sigaction( signal::Signal::SIGSEGV, &nix::sys::signal::SigAction::new( @@ -107,25 +91,3 @@ fn main() -> Result<(), Box> { Ok(()) } - -#[repr(transparent)] -struct SyncUnsafeCell { - value: UnsafeCell, -} - -unsafe impl Sync for SyncUnsafeCell {} -impl SyncUnsafeCell { - #[inline(always)] - pub const fn new(value: T) -> Self { - Self { - value: UnsafeCell::new(value), - } - } -} - -impl SyncUnsafeCell { - #[inline(always)] - pub const fn get(&self) -> *mut T { - self.value.get() - } -}