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Add workaround to prevent use after free issue resulting in bad pointer

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This commit is contained in:
Brandon Fish 2018-12-24 13:10:29 -06:00
parent 8c2d4c5777
commit bfa68e8d79
1 changed files with 6 additions and 0 deletions
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6
src/webassembly/instance.rs
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@ -199,6 +199,10 @@ pub struct Instance {
// Region start memory location
// code_base: *const (),
pub emscripten_data: Option<EmscriptenData>,
// Workarounds to prevent use after free issue
memories_pointer: Vec<BoundedSlice<u8>>,
tables_pointer: Vec<BoundedSlice<usize>>,
}
/// Contains pointers to data (heaps, globals, tables) needed
@ -642,6 +646,8 @@ impl Instance {
import_functions,
start_func,
emscripten_data: None,
memories_pointer,
tables_pointer,
};
if options.abi == InstanceABI::Emscripten {