warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff40ffe000
Core was generated by `nginx: worker process                          '.
Program terminated with signal 11, Segmentation fault.
#0  malloc_consolidate (av=av@entry=0x7fa70e2d0740 <main_arena>) at malloc.c:4088
4088    malloc.c: No such file or directory.
(gdb) bt
#0  malloc_consolidate (av=av@entry=0x7fa70e2d0740 <main_arena>) at malloc.c:4088
#1  0x00007fa70df8f7e8 in _int_free (av=0x7fa70e2d0740 <main_arena>, p=0x1fd5e30, have_lock=0) at malloc.c:3994
#2  0x00007fa70eb16f3f in av_buffer_unref () from /usr/local/lib/libavutil.so.54
#3  0x00007fa70ee56124 in av_free_packet () from /usr/local/lib/libavcodec.so.56
#4  0x00007fa710049cea in av_interleaved_write_frame () from /usr/local/lib/libavformat.so.56