Prevent initialize_freestanding from accidentally closing fd 0

2025-03-30 20:55:23 +02:00
parent b08e47812c
commit cf0fdb42ea
1 changed files with 2 additions and 1 deletions
@@ -156,7 +156,8 @@ pub unsafe fn initialize_freestanding() {
    page.tcb_ptr = page;
    page.tcb_len = syscall::PAGE_SIZE;
    page.tls_end = (page as *mut Tcb).cast();
-    *page.os_specific.thr_fd.get_mut() = None;
+    // Make sure to use ptr::write to prevent dropping the existing FdGuard
+    core::ptr::write(page.os_specific.thr_fd.get(), None);

    #[cfg(not(any(target_arch = "aarch64", target_arch = "riscv64")))]
    unsafe {