1Invalid read of size 1
2   at 0x........: ddd (errs1.c:7)
3   by 0x........: ccc (errs1.c:8)
4   by 0x........: bbb (errs1.c:9)
5   by 0x........: aaa (errs1.c:10)
6   by 0x........: main (errs1.c:17)
7 Address 0x........ is 1 bytes before a block of size 10 alloc'd
8   at 0x........: malloc (vg_replace_malloc.c:...)
9   by 0x........: zzzzzzz (errs1.c:12)
10   by 0x........: yyy (errs1.c:13)
11   by 0x........: xxx (errs1.c:14)
12   by 0x........: www (errs1.c:15)
13   by 0x........: main (errs1.c:17)
14
15Invalid write of size 1
16   at 0x........: ddd (errs1.c:7)
17   by 0x........: ccc (errs1.c:8)
18   by 0x........: bbb (errs1.c:9)
19   by 0x........: aaa (errs1.c:10)
20   by 0x........: main (errs1.c:17)
21 Address 0x........ is 1 bytes before a block of size 10 alloc'd
22   at 0x........: malloc (vg_replace_malloc.c:...)
23   by 0x........: zzzzzzz (errs1.c:12)
24   by 0x........: yyy (errs1.c:13)
25   by 0x........: xxx (errs1.c:14)
26   by 0x........: www (errs1.c:15)
27   by 0x........: main (errs1.c:17)
28
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