Make fuzzer_stats update atomic #1883
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This writes fuzzer_stats to a temp file and then atomically renames the temp file into fuzzer_stats so that any read on fuzzer_stats will always return a consistent view of the AFL state (otherwise there is a very low change of AFL's write and $tool's reads to race and yield inconsistent results).
Member
|
:) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This writes fuzzer_stats to a temp file and then atomically renames the temp file into fuzzer_stats so that any read on fuzzer_stats will always return a consistent view of the AFL state (otherwise there is a very low change of AFL's write and $tool's read lead to a race condition and yield inconsistent results).