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core/vm: prevent overflow #29023 (#1244)

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Daniel Liu 2025-07-26 17:44:45 +08:00 committed by GitHub
parent 42d3549e2c
commit 6f6e08f83b
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1 changed files with 6 additions and 1 deletions
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7
core/vm/operations_acl.go
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@ -187,7 +187,12 @@ func makeCallVariantGasCallEIP2929(oldCalculator gasFunc) gasFunc {
// outside of this function, as part of the dynamic gas, and that will make it // outside of this function, as part of the dynamic gas, and that will make it
// also become correctly reported to tracers. // also become correctly reported to tracers.
contract.Gas += coldCost contract.Gas += coldCost
return gas + coldCost, nil
var overflow bool
if gas, overflow = math.SafeAdd(gas, coldCost); overflow {
return 0, ErrGasUintOverflow
}
return gas, nil
} }
} }