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Boundaries check fixes #228

Merged
merged 4 commits into from
Jan 17, 2023
Merged

Boundaries check fixes #228

merged 4 commits into from
Jan 17, 2023

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ignasirv
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@ignasirv ignasirv commented Jan 16, 2023 •
edited by krlosMata

Audit fixes:

@cla-bot cla-bot bot added the cla-signed label Jan 16, 2023
@ignasirv ignasirv marked this pull request as ready for review January 16, 2023 15:41
@ignasirv ignasirv force-pushed the hotfix/audit-w2 branch 3 times, most recently from 147ba77 to f24d137 Compare January 16, 2023 16:13
@krlosMata krlosMata self-requested a review January 17, 2023 12:18
krlosMata
krlosMata approved these changes Jan 17, 2023
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😸

@krlosMata krlosMata merged commit 83677d1 into develop Jan 17, 2023
@ignasirv ignasirv deleted the hotfix/audit-w2 branch January 17, 2023 15:27
chriseth
chriseth reviewed Mar 14, 2023
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main/opcodes/calldata-returndata-code.zkasm
; if offset is lower than calldata length, return 0
$ :LT,JMPC(CALLDATALOADreturn0)
B => E
$ => A :MLOAD(SP); [offset => B]
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offset => B -> offset => A

chriseth
chriseth reviewed Mar 14, 2023
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main/opcodes/calldata-returndata-code.zkasm
@@ -94,7 +94,7 @@ opCALLDATACOPY:
; check stack underflow
SP - 3 => SP :JMPN(stackUnderflow)
$ => E :MLOAD(SP+2); [destOffset => E]
$ => B :MLOAD(SP+1); [offset => B]
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offset => B -> offset => A

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@krlosMata krlosMata krlosMata approved these changes

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@ignasirv @chriseth @krlosMata