#0  0x40a55618 in fclose () from /lib/arm-linux-gnueabihf/libc.so.6
No symbol table info available.
#1  0x00009b22 in ?? ()
No symbol table info available.
#2  0x00009b22 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)