mediumReentrancyEVM-Solidity
zkSync: Loss of funds for the sender when ``L1->L2`` TX fails in the bootloader on L2
- Payout
- $0
- Protocol
- zkSync
- Disclosed
- Feb 29, 2024
- Source
- code4rena
When a user sends an L1->L2 transaction on zkSync Era, they prepay a gas limit covering both batch overhead and body execution, expecting unused execution gas to be refunded at the end. When the L2 body reverts, the bootloader's ZKSYNC_NEAR_CALL_executeL1Tx pa …
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References
- https://github.com/code-423n4/2023-10-zksync-findings/issues/979
- https://github.com/code-423n4/2023-10-zksync-findings
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