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eth/tracers: fix crasher in TraceCall with BlockOverrides #33015

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Merged
merged 2 commits into from
Oct 24, 2025
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eth/tracers: fix crasher in TraceCall with BlockOverrides #33015

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6fe7d9d
eth/tracers: fix nil pointer dereference in TraceCall with BlockOverr…
hero5512 Oct 24, 2025
cc29512
eth/tracers: add repro test for #33014
lightclient Oct 24, 2025
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2 changes: 1 addition & 1 deletion eth/tracers/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -959,7 +959,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc

// Apply the customization rules if required.
if config != nil {
if config.BlockOverrides != nil && config.BlockOverrides.Number.ToInt().Uint64() == h.Number.Uint64()+1 {
if config.BlockOverrides != nil && config.BlockOverrides.Number != nil && config.BlockOverrides.Number.ToInt().Uint64() == h.Number.Uint64()+1 {
// Overriding the block number to n+1 is a common way for wallets to
// simulate transactions, however without the following fix, a contract
// can assert it is being simulated by checking if blockhash(n) == 0x0 and
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