plugins/ocp: fix telemetry parser buffer overflow#2694
Merged
igaw merged 1 commit intolinux-nvme:masterfrom Feb 7, 2025
Merged
plugins/ocp: fix telemetry parser buffer overflow#2694igaw merged 1 commit intolinux-nvme:masterfrom
igaw merged 1 commit intolinux-nvme:masterfrom
Conversation
The fixed 256-byte description_str will overflow for any reasonably sized data_size >= 128. Max data_size is for OCP VU Event Data is 0xFF Dwords, so the buffer should be at least 1020 bytes + 1 for null. 1024 seems like a nice number for OCP. Reported-by: Nate Thornton <n.thornton@samsung.com> Signed-off-by: Daniel Wagner <wagi@kernel.org>
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
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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 fixed 256-byte description_str will overflow for any reasonably sized data_size >= 128.
Max data_size is for OCP VU Event Data is 0xFF Dwords, so the buffer should be at least 1020 bytes + 1 for null. 1024 seems like a nice number for OCP.
Reported-by: Nate Thornton n.thornton@samsung.com
Fixes: #2686