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[5.0] Fix issue #2330 by limiting the vector size that can be reserve'd #2405

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merged 2 commits into from
Aug 20, 2024
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[5.0] Fix issue #2330 by limiting the vector size that can be reserve'd #2405

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49079ab
Fix issue #2330 by limiting the vector size that can be reserve'd
greg7mdp Aug 20, 2024
dbc6f0b
Merge branch 'release/5.0' of github.com:AntelopeIO/leap into gh_2330…
greg7mdp Aug 20, 2024
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2 changes: 1 addition & 1 deletion libraries/chain/abi_serializer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -415,7 +415,7 @@ namespace eosio { namespace chain {
fc::raw::unpack(stream, size);
} EOS_RETHROW_EXCEPTIONS( unpack_exception, "Unable to unpack size of array '${p}'", ("p", ctx.get_path_string()) )
vector<fc::variant> vars;
vars.reserve(size);
vars.reserve(std::min(size.value, 1024u)); // limit the maximum size that can be reserved before data is read
auto h1 = ctx.push_to_path( impl::array_index_path_item{} );
for( decltype(size.value) i = 0; i < size; ++i ) {
ctx.set_array_index_of_path_back(i);
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