[3.12] gh-111784: Fix two segfaults in the elementtree module (GH-113405) #113446
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
…H-113405) First fix resolve situation when pyexpat module (which contains expat_CAPI capsule) deallocates before _elementtree, so we need to hold a strong reference to pyexpat module to. Second fix resolve situation when module state is deallocated before deallocation of XMLParser instances, which uses module state to clear some stuff. (cherry picked from commit 894f0e5) Co-authored-by: Kirill Podoprigora <[email protected]>
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Outdated suggestions cannot be applied.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.
First fix resolve situation when pyexpat module (which contains expat_CAPI
capsule) deallocates before _elementtree, so we need to hold a strong
reference to pyexpat module to.
Second fix resolve situation when module state is deallocated before
deallocation of XMLParser instances, which uses module state to clear
some stuff.
(cherry picked from commit 894f0e5)
Co-authored-by: Kirill Podoprigora [email protected]
_elementtree.XMLParser#111784