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Frida 10.3.0 leads APPs crash on Android 5.1 x86 emulator

Hi there I got a apk file from [here](https://github.com/ctfs/write-ups-2015/blob/master/seccon-quals-ctf-2015/binary/reverse-engineering-android-apk-1/rps.apk) and installed it into my Android emulator(5.1 x86) which is downloaded from Google via Android Virtual Device Manager. When I ran...

Question: why current_ptr = (unsigned long )(page_buffer + 0xe8);

I know 0xe8 = 14 * sizeof(struct iovec) + 8. But why task_struct * is stored at &task_list + 0xe8 ?

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Frida 10.3.0 leads APPs crash on Android 5.1 x86 emulator

Question: why current_ptr = *(unsigned long *)(page_buffer + 0xe8);

Question: why current_ptr = (unsigned long )(page_buffer + 0xe8);