#0  0x00007f0b778c1778 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f0b778c2da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f0b778c6cd5 in calloc () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007f0b7834b981 in cupsFileOpenFd () from /usr/lib/x86_64-linux-gnu/libcups.so.2
No symbol table info available.
#4  0x00007f0b7834bc29 in cupsFileOpen () from /usr/lib/x86_64-linux-gnu/libcups.so.2
No symbol table info available.
#5  0x00007f0b7970da25 in ?? ()
No symbol table info available.
#6  0x00007f0b796fd342 in main ()
No symbol table info available.