Re: porting kcov to android

2016-07-05 Thread Dmitry Vyukov
Well, something is broken. Shadow in the report is complete mess (fc is heap redzone, while f4 is stack redzone). I wonder if it is the bootstrap shadow page that is used for both heap and stack. Or maybe we return poisoned pages to pagealloc. The first thing I would try is to disable stack and

Re: porting kcov to android

2016-07-05 Thread Dmitry Vyukov
Well, something is broken. Shadow in the report is complete mess (fc is heap redzone, while f4 is stack redzone). I wonder if it is the bootstrap shadow page that is used for both heap and stack. Or maybe we return poisoned pages to pagealloc. The first thing I would try is to disable stack and