Fix panic in mmap shmem when full_file_name is less than MAX_MMAP_FILENAME_LEN #2536
Conversation
This file contains 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
error: this expression creates a reference which is immediately dereferenced by the compiler
--> libafl_bolts/src/shmem.rs:700:51
|
700 | filename_path.copy_from_slice(&full_file_name.as_bytes());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `full_file_name.as_bytes()` |
domenukk
reviewed
Sep 20, 2024
libafl_bolts/src/shmem.rs
Outdated
| filename_path | ||
| .copy_from_slice(&full_file_name.as_bytes()[..MAX_MMAP_FILENAME_LEN]); | ||
| filename_path[0..full_file_name.len()] | ||
| .copy_from_slice(full_file_name.as_bytes()); | ||
| filename_path[MAX_MMAP_FILENAME_LEN - 1] = 0; // Null terminate! |
There was a problem hiding this comment.
This should now be be full_file_name.len() right?
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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 PR fix this panic on macOS: