.
Thread 6 (Thread 0x7f27d09f2700 (LWP 4072)):
#0  0x00007f27da1d8f7d in ftw_startup (dir=<error reading variable: Cannot access memory at address 0x9>, is_nftw=<error reading variable: Cannot access memory at address 0x9>, func=<error reading variable: Cannot access memory at address 0x9>, descriptors=<error reading variable: Cannot access memory at address 0x9>, flags=36179616, flags@entry=<error reading variable: Cannot access memory at address 0x9>) at ../sysdeps/wordsize-64/../../io/ftw.c:753
        name = <optimized out>
        data = <error reading variable data (Cannot access memory at address 0xfffffffffffffee1)>
        st = <error reading variable st (Cannot access memory at address 0xffffffffffffff41)>
        result = <optimized out>
        save_err = <optimized out>
        cwdfd = <optimized out>
        cwd = <optimized out>
        cp = <optimized out>
Cannot access memory at address 0x9