Memory leak in NSRegularExpression.stringByReplacingMatches(in:options:range:withTemplate:)
Originator: | dloewenherz | ||
Number: | rdar://30018587 | Date Originated: | 13-Jan-2017 03:03 PM |
Status: | Open | Resolved: | |
Product: | iOS + SDK | Product Version: | 10.2 (14C89) |
Classification: | Crash / Hang / Data Loss | Reproducible: | Always |
Area: Foundation Summary: stringByReplacingMatches(in:options:range:withTemplate:) in NSRegularExpression leaks memory. Applications that call this method repeatedly will inevitably be terminated by iOS due to memory pressure. Steps to Reproduce: 1. Download the attached project, Radar13Jan2017.zip. 2. Build and run with any iPhone simulator. Expected Results: The app runs indefinitely. Actual Results: After a few minutes, all of the memory on the system is allocated and the app crashes. You can view the constant allocation growth in the debug pane in Xcode. Version: iOS 10.2 (14C89) Notes: Configuration: iPhone SE 64GB T-Mobile Attachments: 'Radar13Jan2017.zip' was successfully uploaded.
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GitHub project at https://github.com/dlo/Radar30018587