#0  0x002be416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00f951ef in __GI___open_catalog (cat_name=Cannot access memory at address 0x175dd7
) at open_catalog.c:230
        todo = <optimized out>
        fd = 17862644
        st = <error reading variable st (Cannot access memory at address 0x175d57)>
        swapping = <optimized out>
        cnt = <optimized out>
        max_offset = <optimized out>
        tab_size = <optimized out>
        lastp = <optimized out>
        result = -1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)