Add pcp command for printing Linux kernel per-cpu page cache #1487
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Outdated suggestions cannot be applied.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.
The Linux kernel uses a per-cpu cache for allocating order-0 pages. Being able to print the contents of these caches can be useful for exploiting some UAF bugs. This is a very rough command to print the caches for each zone. This isn't polished at all or in a state where it should be merged, but I found it useful and won't have time to improve it in the near future, so putting it here for now in case anyone wants to use it or improve it.
Example output: