启动登录屏幕时，Facebook持续崩溃。
修订：“ 0”
ABI：“手臂”
pid：3451，tid：3649，名称：Liger-EventBase >>> com.facebook.katana <<<< / p>
信号11（SIGSEGV），代码1（SEGV_MAPERR），故障地址0x24
原因：空指针取消引用
r0 d31da91c r1 00000000 r2 d31da91c r3 f37e1769
r4 d31da8bc r5 ec612548 r6 f37e5fa4 r7 d31da9b0
r8 d31da97c r9 00000001 r10 00000000 r11 d5477740
ip f37e5f68 sp d31da8b0 lr f37e1783 pc f37e1ca0
回溯：
#00 pc 0001dca0 /system/lib/libhwbinder.so (unw_get_proc_info+6)
#01 pc 0001d77f /system/lib/libhwbinder.so (__aeabi_unwind_cpp_pr1+22)
#02 pc 000a46bc /system/lib/libc.so (offset 0x72000) (unwind_phase2+60)
#03 pc 000a492c /system/lib/libc.so (offset 0x72000) (__gnu_Unwind_Resume+88)
#04 pc 000189ac /system/lib/libz.so (_Unwind_Resume+20)
堆栈：
d31da870 ec612548 [anon:libc_malloc]
d31da874 b0000000
d31da878 d54a4284 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
d31da87c 00000001
d31da880 d31da91c <anonymous:d30d8000>
d31da884 d5ecf389 /data/app/com.facebook.katana-7npu1daBejyac7_IgBOklQ==/lib/arm/libgnustl_shared.so (__gxx_personality_v0+340)
d31da888 d5477740 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
d31da88c f4c2f3f1 /system/lib/libc.so (je_tcache_alloc_small_hard+20)
d31da890 00000000
d31da894 00000000
d31da898 d3815068 [anon:libc_malloc]
d31da89c ec5efc00 [anon:libc_malloc]
d31da8a0 93e7036f
d31da8a4 d31da8e4 <anonymous:d30d8000>
d31da8a8 d522e8d7 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
d31da8ac f6362000 /system/bin/linker
#00 d31da8b0 d31da91c <anonymous:d30d8000>
........ ........
#01 d31da8b8 d522e8d7 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
........ ........
#02 d31da8f8 d31da91c <anonymous:d30d8000>
........ ........
#03 d31da908 ec6125a0 [anon:libc_malloc]
........ ........
#04 d31da918 00000096
d31da91c 00000000
d31da920 ec612548 [anon:libc_malloc]
d31da924 93e7036f
d31da928 00000096
d31da92c 00000013
d31da930 00000004
d31da934 d202466c [anon:libc_malloc]
d31da938 d31da9ba <anonymous:d30d8000>
d31da93c d31da9d0 <anonymous:d30d8000>
d31da940 d31daab8 <anonymous:d30d8000>
d31da944 00000001
d31da948 00000000
d31da94c d5477740 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
d31da950 d565d088 /data/data/com.facebook.katana/lib-xzs/libcoldstart.so
d31da954 d31da9b8 <anonymous:d30d8000>