==430== Invalid read of size 1 ==430== at 0x4004E2: main (test.c:16) ==430== Address 0x4c2104a is 0 bytes after a block of size 10 alloc'd ==430== at 0x4A05E5D: malloc (vg_replace_malloc.c:195) ==430== by 0x4004D5: main (test.c:15) ==430== ==430== Invalid write of size 1 ==430== at 0x4004F3: main (test.c:17) ==430== Address 0x4c2104a is 0 bytes after a block of size 10 alloc'd ==430== at 0x4A05E5D: malloc (vg_replace_malloc.c:195) ==430== by 0x4004D5: main (test.c:15) ==430== ==430== 10 bytes in 1 blocks are definitely lost in loss record 1 of 1 ==430== at 0x4A05E5D: malloc (vg_replace_malloc.c:195) ==430== by 0x4004D5: main (test.c:15) ==430==