1Invalid write of size 1
2   at 0x........: main (badaddrvalue.c:8)
3 Address 0x........ is 1 bytes before a block of size 8 alloc'd
4   at 0x........: malloc (vg_replace_malloc.c:...)
5   by 0x........: main (badaddrvalue.c:7)
6
7Invalid read of size 1
8   at 0x........: main (badaddrvalue.c:9)
9 Address 0x........ is 1 bytes before a block of size 8 alloc'd
10   at 0x........: malloc (vg_replace_malloc.c:...)
11   by 0x........: main (badaddrvalue.c:7)
12
13