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ckb type_id script resume may randomly fail
High severity
GitHub Reviewed
Published
Nov 2, 2022
in
nervosnetwork/ckb
•
Updated Jan 8, 2023
https://github.com/nervosnetwork/ckb/blob/v0.101.2/script/src/verify.rs#L871-L879
TypeIdSystemScript resume handle is not correct when max_cycles is not enough, ScriptError::ExceededMaximumCycles will be raised directly ranther than suspend as expect, and also because script_group execution order is random, so this will happen randomly.
Impact
https://github.com/nervosnetwork/ckb/blob/v0.101.2/script/src/verify.rs#L871-L879
TypeIdSystemScript resume handle is not correct when max_cycles is not enough,
ScriptError::ExceededMaximumCycleswill be raised directly ranther than suspend as expect, and also because script_group execution order is random, so this will happen randomly.References