rminderhoud / rose-tools Goto Github PK
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License: MIT License
Collection of tools for ROSE Online
License: MIT License
Hi there, we detected a few potential panic safety issues in this library.
double free will appear mainly caused by panic happened between Box::from_raw
and std::mem::forget
.
example as follows:
rose-tools/rose-lib-ffi/src/zms.rs
Lines 18 to 28 in 11fc557
When panic occurs in let res = zms.read_from_path(&p).is_ok();
or the other codes between Box::from_raw
and std::mem::forget
, the zms
will be dropped in unwinding and make the mesh
an empty pointer, which will cause double-free bug in the upper function.
You can use mem:ManuallyDrop::new(Box::from_raw(mesh))
instead to avoid this problem.
This type of bug is difficult to detect with test cases, but it does pose a security risk.
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