Her is My Code on http://phpfi.com/246425
Everything is Fine If I just remove line 68 and 69
Else Its Showing Wired texts But not errors.
see here is teh Output
Code:
----------------------------------------------
describing pt initialized x = 4 y = 10
describing px returned from pre inc x = 5 y = 11
describing pt after Pre Incrementing x = 5 y = 11
describing py returned from post inc x = 5 y = 11
describing pt after Post Increment x = 6 y = 12
describing pt1 after Init with new x = 80 y = 100
describing pt1 after Pre Incrementing x = 81 y = 101
describing After py += px x = 10 y = 22
describing After py+= pt1 x = 91 y = 123
describing py after py += 2 x = 93 y = 125
describing pt1 After pt1 += 2 x = 0 y = 0
destructing
*** glibc detected *** /root/Desktop/op_overload: double free or corruption (top): 0x0804a018 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7d6c7cd]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7d6fe30]
/usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0xb7f2ed11]
/root/Desktop/op_overload[0x8048ab8]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7d1aebc]
/root/Desktop/op_overload(__gxx_personality_v0+0x4d)[0x80486f1]
======= Memory map: ========
08048000-08049000 r-xp 00000000 08:0a 145784 /root/Desktop/op_overload
08049000-0804a000 rw-p 00001000 08:0a 145784 /root/Desktop/op_overload
0804a000-0806b000 rw-p 0804a000 00:00 0 [heap]
b7c00000-b7c21000 rw-p b7c00000 00:00 0
b7c21000-b7d00000 ---p b7c21000 00:00 0
b7d04000-b7d05000 rw-p b7d04000 00:00 0
b7d05000-b7e40000 r-xp 00000000 08:0a 291032 /lib/tls/i686/cmov/libc-2.5.so
b7e40000-b7e41000 r--p 0013b000 08:0a 291032 /lib/tls/i686/cmov/libc-2.5.so
b7e41000-b7e43000 rw-p 0013c000 08:0a 291032 /lib/tls/i686/cmov/libc-2.5.so
b7e43000-b7e46000 rw-p b7e43000 00:00 0
b7e46000-b7e51000 r-xp 00000000 08:0a 290894 /lib/libgcc_s.so.1
b7e51000-b7e52000 rw-p 0000a000 08:0a 290894 /lib/libgcc_s.so.1
b7e52000-b7e53000 rw-p b7e52000 00:00 0
b7e53000-b7e78000 r-xp 00000000 08:0a 291037 /lib/tls/i686/cmov/libm-2.5.so
b7e78000-b7e7a000 rw-p 00024000 08:0a 291037 /lib/tls/i686/cmov/libm-2.5.so
b7e7a000-b7f59000 r-xp 00000000 08:0a 18744 /usr/lib/libstdc++.so.6.0.8
b7f59000-b7f5c000 r--p 000de000 08:0a 18744 /usr/lib/libstdc++.so.6.0.8
b7f5c000-b7f5e000 rw-p 000e1000 08:0a 18744 /usr/lib/libstdc++.so.6.0.8
b7f5e000-b7f64000 rw-p b7f5e000 00:00 0
b7f74000-b7f77000 rw-p b7f74000 00:00 0
b7f77000-b7f90000 r-xp 00000000 08:0a 290895 /lib/ld-2.5.so
b7f90000-b7f92000 rw-p 00019000 08:0a 290895 /lib/ld-2.5.so
bff0b000-bff20000 rw-p bff0b000 00:00 0 [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso]
----------------------------------------------
Program has been terminated receiving signal 6 (Aborted)
But If I use Instead of Object pt It works Fine.
I thought It will Fire Error With Usinfg Without Pointer here
But Why its Pulling glibC ??