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Memory leak in CFNetwork - gzipDecodeData?

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Memory leak in CFNetwork - gzipDecodeData?

Subject: Memory leak in CFNetwork - gzipDecodeData?
From: Stéphane Sudre <email@hidden>
Date: Tue, 20 Jul 2010 17:29:55 +0200

Is there a known memory leak in the CFNetwork function gzipDecodeData()?

According to Activity Monitor and Instruments, I am losing close to 300 KB of RAM for each 8 MB download through http.

Specifically, the main memory leak is with a call to CFDataReplaceBytes > __CFDataGrow and there is a smaller one in __CFDataInit.

CFNetwork not being open source, it is not possible to check the source code.

A quick search on Google brings back only one occurrence, a crash in Safari due to a memory issue with gzipDecodeData.

I'm seeing this on Mac OS X 10.6.4, 64-bit process, Foundation tool (I don't think it's an autorelease issue as it's not some memory I own that is leaked).


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