glibc detected *** ./a.out: free(): invalid pointer:

Question

when i compiled(c++ program) in linux i am getting following error pls help me

glibc detected *** ./a.out: free(): invalid pointer:0x0804878d ***
======= Backtrace: =========
/lib/libc.so.6[0xbd5f18]
/lib/libc.so.6(__libc_free+0x79)[0xbd941d]
/usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0x3233fe1]
./a.out(__gxx_personality_v0+0x100)[0x8048514]
./a.out(__gxx_personality_v0+0x176)[0x804858a]
/lib/libc.so.6(__libc_start_main+0xdc)[0xb877e4]
./a.out(__gxx_personality_v0+0x5d)[0x8048471]
======= Memory map: ========
00b55000-00b6e000 r-xp 00000000 fd:00 6687029    /lib/ld-2.4.so
00b6e000-00b6f000 r-xp 00018000 fd:00 6687029    /lib/ld-2.4.so
00b6f000-00b70000 rwxp 00019000 fd:00 6687029    /lib/ld-2.4.so
00b72000-00c9e000 r-xp 00000000 fd:00 6687030    /lib/libc-2.4.so
00c9e000-00ca1000 r-xp 0012b000 fd:00 6687030    /lib/libc-2.4.so
00ca1000-00ca2000 rwxp 0012e000 fd:00 6687030    /lib/li

Answer 1

glibc detected * ./a.out: free(): invalid pointer:0x0804878d *

This means you probablydeleted a pointer that hasn't been created with new.

If you want any useful help, you really should post the code that generates this problem.