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Refactor the pty implementation

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Jianfeng Jiang
2023-08-28 14:28:23 +08:00
committed by Tate, Hongliang Tian
parent 40056f0692
commit 038c19b693
10 changed files with 396 additions and 443 deletions
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services/libs/jinux-std/src/vm/vmar/vm_mapping.rs
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@ -151,6 +151,7 @@ impl VmMapping {
pub fn read_bytes(&self, offset: usize, buf: &mut [u8]) -> Result<()> {
let vmo_read_offset = self.vmo_offset() + offset;
// TODO: the current logic is vulnerable to TOCTTOU attack, since the permission may change after check.
let page_idx_range = get_page_idx_range(&(vmo_read_offset..vmo_read_offset + buf.len()));
let read_perm = VmPerm::R;
for page_idx in page_idx_range {