Skip to content

Fix use-after-free in BaseObjects destructor #335

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
amir-al-mohamad wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Fix use-after-free in BaseObjects destructor #335

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion src/core/Utils/ObjectWriter.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,9 @@ class BaseObjects : public Printable

public:
BaseObjects() {}
~BaseObjects() { clear(); }
// Don't clear() here: the derived class's Strings are already destroyed
// at this point and remove() would write into freed memory.
~BaseObjects() {}
void init(String *buffers, size_t size)
{
this->buffers = buffers;
Expand Down