process stopped due to unexpected signal 13

[student123009]

/git.dzc.okhttputils I/aaaaaa: onResponse upload server is on

                                                       [ 04-01 10:43:16.294  2908: 2908 E/         ]
                                                       process stopped due to unexpected signal 13

上传图片，报这个错：signal 13的意思　　#define SIGSEGV　　　无效内存引用