==823== Invalid read of size 1
==823==    at 0x4004E2: main (test.c:16)
==823==  Address 0x4c2104a is 0 bytes after a block of size 10 alloc'd
==823==    at 0x4A05E5D: malloc (vg_replace_malloc.c:195)
==823==    by 0x4004D5: main (test.c:15)
==823== 
==823== Invalid write of size 1
==823==    at 0x4004F3: main (test.c:17)
==823==  Address 0x4c2104a is 0 bytes after a block of size 10 alloc'd
==823==    at 0x4A05E5D: malloc (vg_replace_malloc.c:195)
==823==    by 0x4004D5: main (test.c:15)
==823==