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LibGUI: Fix OOB read in Clipboard::set_data()

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AnotherTest 2020-09-07 00:36:33 +04:30 • committed by Andreas Kling
parent 125ea6a214
commit 02f251bb4a
Notes: sideshowbarker 2024-07-19 02:51:44 +09:00
1 changed files with 2 additions and 4 deletions
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6
Libraries/LibGUI/Clipboard.cpp
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@ -98,15 +98,13 @@ Clipboard::DataAndType Clipboard::data_and_type() const
void Clipboard::set_data(ReadonlyBytes data, const String& type, const HashMap<String, String>& metadata)
{
auto shared_buffer = SharedBuffer::create_with_size(data.size() + 1);
auto shared_buffer = SharedBuffer::create_with_size(data.size());
if (!shared_buffer) {
dbgprintf("GUI::Clipboard::set_data() failed to create a shared buffer\n");
return;
}
if (!data.is_empty())
memcpy(shared_buffer->data(), data.data(), data.size() + 1);
else
((u8*)shared_buffer->data())[0] = '\0';
memcpy(shared_buffer->data(), data.data(), data.size());
shared_buffer->seal();
shared_buffer->share_with(connection().server_pid());