core/vm: modexp fix for 7823 #32363
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core/vm: modexp fix for 7823 #32363
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…gment size cap check to catch case where base/exp/mod len > 2**64 (although this is unlikely to happen in practice)
yzang2019
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Aug 15, 2025
* master: (57 commits) core/vm: fix EIP-7823 modexp input length check (ethereum#32363) rlp: remove workaround for Value.Bytes (ethereum#32433) consensus/misc/eip4844: use blob parameters of current header (ethereum#32424) crypto/bn256: refactor to use bitutil.TestBytes (ethereum#32435) core/vm: refactor to use bitutil.TestBytes (ethereum#32434) cmd/evm: use PathScheme in blockrunner (ethereum#32444) trie, core/state: add the transition tree (verkle transition part 2) (ethereum#32366) build: remove unused functions (ethereum#32393) crypto/secp256k1: use ReadBits from common/math (ethereum#32430) build: upgrade -dlgo version to Go 1.25.0 (ethereum#32412) .github: upgrade workflows to Go 1.25 (ethereum#32425) p2p: refactor to use time.Now().UnixMilli() in golang std lib (ethereum#32402) eth/syncer: fix typo (ethereum#32427) eth/tracers: Adds codeHash to prestateTracer's response (ethereum#32391) rlp: optimize intsize (ethereum#32421) node: remove unused err var (ethereum#32398) eth: abort `requiredBlocks` check if peer handler terminated (ethereum#32413) cmd: fix inconsistent function name in comment (ethereum#32411) trie: refactor to use slices.Concat (ethereum#32401) consensus: fix ambiguous invalid gas limit error (ethereum#32405) ...
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Party poopers https://gist.github.com/karalabe/e2571691166ea2c789cd102bd57e973b :P |
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The order of the checks was wrong which would have allowed a call to modexp with
baseLen == 0 && modLen == 0post fusaka.Also handles an edge case where base/mod/exp length >= 2**64