fix: 修复由于升级到2024-07-23工具链之后，某些机器上面内核运行一直fault的问题。 (DragonOS-Community…

…#870)

* fix: 修复由于升级到2024-07-23工具链之后，某些机器上面内核运行一直fault的问题。

kernel/.cargo/config.toml

@@ -6,8 +6,7 @@
 runner = "bootimage runner"
 
 [build]
-# '-Zlinker-features=-lld' 禁用rustlld（20240723），因为它与linkme0.3版本冲突
-rustflags = ["-Zlinker-features=-lld"]
-rustdocflags = ["-Zlinker-features=-lld"]
+rustflags = ["-Clink-args=-znostart-stop-gc"]
+rustdocflags = ["-Clink-args=-znostart-stop-gc"]
 
 [env]

kernel/Makefile

@@ -36,12 +36,12 @@ check: ECHO
 # @echo "Checking kernel... ARCH=$(ARCH)"
 # @exit 1
 ifeq ($(ARCH), x86_64)
-	@cargo +nightly-2024-07-23 check --workspace $(CARGO_ZBUILD) --message-format=json --target ./src/$(TARGET_JSON)
+	RUSTFLAGS="$(RUSTFLAGS)" cargo +nightly-2024-07-23 check --workspace $(CARGO_ZBUILD) --message-format=json --target ./src/$(TARGET_JSON)
 else ifeq ($(ARCH), riscv64)
-	@cargo +nightly-2024-07-23 check --workspace $(CARGO_ZBUILD) --message-format=json --target $(TARGET_JSON)
+	RUSTFLAGS="$(RUSTFLAGS)" cargo +nightly-2024-07-23 check --workspace $(CARGO_ZBUILD) --message-format=json --target $(TARGET_JSON)
 endif
 
 test:
 # 测试内核库
-	@cargo +nightly-2024-07-23 test --workspace --exclude dragonos_kernel
+	RUSTFLAGS="$(RUSTFLAGS)" cargo +nightly-2024-07-23 test --workspace --exclude dragonos_kernel
 

kernel/src/process/exec.rs

@@ -281,9 +281,9 @@ impl ProcInitInfo {
         return Ok(());
     }
 
-    fn push_str(&self, ustack: &mut UserStack, s: &str) -> Result<(), SystemError> {
-        self.push_slice(ustack, &[b"\0"])?;
-        self.push_slice(ustack, s.as_bytes())?;
+    fn push_str(&self, ustack: &mut UserStack, s: &CString) -> Result<(), SystemError> {
+        let bytes = s.as_bytes_with_nul();
+        self.push_slice(ustack, bytes)?;
         return Ok(());
     }
 }