Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

core/vm/instructions.go,interpreter.go | potential issue fix #23535

Closed
wants to merge 1 commit into from

Conversation

ucwong
Copy link
Contributor

@ucwong ucwong commented Sep 6, 2021

Some consensus issue occurred after merge this pr in my repo
#23381
but I am not sure it will occur in go-ethereum

It is fixed by this CortexFoundation/CortexTheseus@cb78eb6
I hope it will do some help

@holiman
Copy link
Contributor

holiman commented Sep 6, 2021

The change your proposing actually reverts a fix to a consensus issue. The issue was that returndata was modified during the memory copy, in certain conditions.
See #23518 -- more explanation, the so far DRAFT post-mortem of the incident.

@holiman holiman closed this Sep 6, 2021
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants