1. backtrace:
#00 pc 000000000004b508 /system/lib/libc.so (tgkill+12)
#01 pc 000000000001a443 /system/lib/libc.so (abort+54)
#02 pc 00000000003380ef /system/lib/libart.so
(_ZN3art7Runtime5AbortEPKc+230)
#03 pc 000000000033877f /system/lib/libart.so
(_ZN3art7Runtime7AborterEPKc+10)
#04 pc 00000000003ef7ad /system/lib/libart.so
(_ZN7android4base10LogMessageD1Ev+456)
#05 pc 000000000017138d /system/lib/libart.so
(_ ZN3art2gc9collector17ConcurrentCopying17PushOntoMarkStackEPNS_6mirror6ObjectE + 572) #06 pc 0000000000175adb /system/lib/libart.so(_ZN3art2gc9collector17ConcurrentCopying4CopyEPNS_6mirror6ObjectES5_NS_12MemberOffsetE + 2510) #07 pc 00000000000a9b9d /system/lib/libart.so(_ZN3art11ReadBarrier4MarkEPNS_6mirror6ObjectE + 612) #08 pc 00000000002d9bb3 /system/lib/libart.so(_ZN3artL9Field_getEP7_JNIEnvP8_jobjectS3_ + 706) #09 pc 0000000000250添加/system/framework/arm/boot.oat(java.lang.Class.getDeclaredConstructorInternal [DEDUPED] +92) #10 pc 000000000025b703 /data/app/com.cleanmaster.mguard-BA-79Tc-CQ0c2o7ByhT6BQ == / oat / arm / base.odex