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Backport fix for module bindings crash #158

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Jun 5, 2024
Merged

Backport fix for module bindings crash #158

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4 changes: 3 additions & 1 deletion src/module.c
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Original file line number Diff line number Diff line change
Expand Up @@ -702,13 +702,15 @@ JL_DLLEXPORT int jl_binding_resolved_p(jl_module_t *m, jl_sym_t *var)

static uint_t bindingkey_hash(size_t idx, jl_svec_t *data)
{
jl_binding_t *b = (jl_binding_t*)jl_svecref(data, idx);
jl_binding_t *b = (jl_binding_t*)jl_svecref(data, idx); // This must always happen inside the lock
jl_sym_t *var = b->globalref->name;
return var->hash;
}

static int bindingkey_eq(size_t idx, const void *var, jl_svec_t *data, uint_t hv)
{
if (idx >= jl_svec_len(data))
return 0; // We got a OOB access, probably due to a data race
jl_binding_t *b = (jl_binding_t*)jl_svecref(data, idx);
jl_sym_t *name = b->globalref->name;
return var == name;
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