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shm: limit data accessed by ClientMemOffset

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This commit is contained in:
Julian Orth 2026-02-27 20:06:22 +01:00
parent 3f70242d32
commit 518095c7c2
7 changed files with 24 additions and 28 deletions
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7
src/cli/input.rs
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@ -427,10 +427,9 @@ impl Input {
async fn handle_keymap(&self, input: JayInputId) -> Vec<u8> {
let data = Rc::new(RefCell::new(Vec::new()));
jay_input::Keymap::handle(&self.tc, input, data.clone(), |d, map| {
let mem = Rc::new(
ClientMem::new_private(&map.keymap, map.keymap_len as _, true, None, None).unwrap(),
)
.offset(0);
let len = map.keymap_len as _;
let mem = Rc::new(ClientMem::new_private(&map.keymap, len, true, None, None).unwrap())
.offset(0, len);
mem.read(d.borrow_mut().deref_mut()).unwrap();
});
self.tc.round_trip().await;