Android crash when using www load/unload frequently

Any suggestions?

08-27 10:46:33.333: I/DEBUG(338): 08-27 10:46:33.333: I/DEBUG(338): Build fingerprint: 'Xiaomi/cancro/cancro:4.3/JLS36C/JXDCNBD14.0:user/release-keys' 08-27 10:46:33.333: I/DEBUG(338): Revision: '0' 08-27 10:46:33.333: I/DEBUG(338): pid: 15588, tid: 15753, name: Thread-628 >>> packageName<<< 08-27 10:46:33.333: I/DEBUG(338): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000000 08-27 10:46:33.553: I/DEBUG(338): r0 00000000 r1 00000000 r2 80808080 r3 00000000 08-27 10:46:33.553: I/DEBUG(338): r4 00000000 r5 777f5340 r6 754a0b64 r7 752f7560 08-27 10:46:33.553: I/DEBUG(338): r8 755a4f98 r9 00000000 sl 7b52e890 fp 7b52e890 08-27 10:46:33.553: I/DEBUG(338): ip 754a0b98 sp 7e5fda48 lr 74c16584 pc 4005a568 cpsr 60000010 08-27 10:46:33.553: I/DEBUG(338): d0 0000000000000000 d1 0000000000000000 08-27 10:46:33.553: I/DEBUG(338): d2 0000000000000000 d3 0000000000000000 08-27 10:46:33.553: I/DEBUG(338): d4 9fb582be65f77a82 d5 26b12468d4655f5c 08-27 10:46:33.553: I/DEBUG(338): d6 35285671b3a106d3 d7 cd1df1063259ade3 08-27 10:46:33.553: I/DEBUG(338): d8 0000000000000000 d9 0000000000000000 08-27 10:46:33.563: I/DEBUG(338): d10 0000000000000000 d11 0000000000000000 08-27 10:46:33.563: I/DEBUG(338): d12 0000000000000000 d13 0000000000000000 08-27 10:46:33.563: I/DEBUG(338): d14 0000000000000000 d15 0000000000000000 08-27 10:46:33.563: I/DEBUG(338): d16 1e7aa89877df75bb d17 cf7757f5adf479cc 08-27 10:46:33.563: I/DEBUG(338): d18 2a7a78bb54161ecf d19 3185f24f1388cbc7 08-27 10:46:33.563: I/DEBUG(338): d20 50be7126f2266046 d21 640b6cf6738aed43 08-27 10:46:33.563: I/DEBUG(338): d22 eb90df1c2b35fffa d23 b775d761d3ac0982 08-27 10:46:33.563: I/DEBUG(338): d24 3fd1b10853a79915 d25 3fd554fa9ca0567a 08-27 10:46:33.563: I/DEBUG(338): d26 3fdb6db71408e660 d27 3fe33333332d4313 08-27 10:46:33.563: I/DEBUG(338): d28 3ff0000000000000 d29 0000000000000001 08-27 10:46:33.563: I/DEBUG(338): d30 fff0000000000000 d31 ffffffff00000000 08-27 10:46:33.563: I/DEBUG(338): scr 68000013 08-27 10:46:33.563: I/DEBUG(338): backtrace: 08-27 10:46:33.563: I/DEBUG(338): #00 pc 0001e568 /system/lib/libc.so (strlen+72) 08-27 10:46:33.563: I/DEBUG(338): #01 pc 0030f580 /data/app-lib/packageName/libunity.so (MemoryProfiler::RegisterRootAllocation(void*, BaseAllocator*, char const*, char const*)+124) 08-27 10:46:33.563: I/DEBUG(338): #02 pc 000b8114 /data/app-lib/packageName/libunity.so (set_root_allocation(void*, MemLabelId const&, char const*, char const*)+340) 08-27 10:46:33.563: I/DEBUG(338): #03 pc 001815e0 /data/app-lib/packageName/libunity.so (WWW::FeedUnityWebStream(bool)+392) 08-27 10:46:33.563: I/DEBUG(338): #04 pc 003ee374 /data/app-lib/packageName/libunity.so (AndroidWWW::ReadCallback(void*, void*, int, void*, int)+240) 08-27 10:46:33.563: I/DEBUG(338): #05 pc 000203cc /system/lib/libdvm.so (dvmPlatformInvoke+112) 08-27 10:46:33.563: I/DEBUG(338): #06 pc 00050d8f /system/lib/libdvm.so (dvmCallJNIMethod(unsigned int const*, JValue*, Method const*, Thread*)+398) 08-27 10:46:33.563: I/DEBUG(338): #07 pc 00029860 /system/lib/libdvm.so 08-27 10:46:33.563: I/DEBUG(338): #08 pc 0002e218 /system/lib/libdvm.so (dvmInterpret(Thread*, Method const*, JValue*)+184) 08-27 10:46:33.563: I/DEBUG(338): #09 pc 00062de9 /system/lib/libdvm.so (dvmCallMethodV(Thread*, Method const*, Object*, bool, JValue*, std::__va_list)+292) 08-27 10:46:33.563: I/DEBUG(338): #10 pc 00062e13 /system/lib/libdvm.so (dvmCallMethod(Thread*, Method const*, Object*, JValue*, ...)+20) 08-27 10:46:33.563: I/DEBUG(338): #11 pc 00057b8b /system/lib/libdvm.so 08-27 10:46:33.563: I/DEBUG(338): #12 pc 0000cb90 /system/lib/libc.so (__thread_entry+72) 08-27 10:46:33.563: I/DEBUG(338): #13 pc 0000cd0c /system/lib/libc.so (pthread_create+208)