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Fixed an address-related bug #27

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Fixed an address-related bug #27

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0fde5f7
test
xushanpu123 Apr 24, 2023
7b2227d
Fixed an address-related bug
xushanpu123 Apr 24, 2023
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
# Maturin

一个内核。
xsp modified

## Doc

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4 changes: 4 additions & 0 deletions kernel/src/syscall/fs.rs
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Expand Up @@ -554,6 +554,10 @@ pub fn sys_close(fd: usize) -> SysResult {
/// 注意，因为
pub fn sys_pipe(pipe: *mut u32) -> SysResult {
let task = get_current_task().unwrap();
let mut task_vm = task.vm.lock();
if task_vm.manually_alloc_user_str(pipe as *const u8,2).is_err() {
return Err(ErrorNo::EFAULT); // 地址不合法
}
let mut task_fd_manager = task.fd_manager.lock();
let (pipe_read, pipe_write) = Pipe::new_pipe();
if let Ok(fd1) = task_fd_manager.push(Arc::new(pipe_read)) {
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