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DateWed, 23 May 2007 15:24:01 -0700 (PDT)
FromChristoph Lameter <>
SubjectRe: 2.6.22-rc2-mm1
On Wed, 23 May 2007, Michal Piotrowski wrote:

> [   19.096577] Real Time Clock Driver v1.12ac
> [   21.650315] *** SLUB kmalloc-8: Redzone Active@0xc90f6d20 slab 0xc528c530
> [   21.657365]     offset=3360 flags=0x400000c3 inuse=61 freelist=0xc90f6d58
> [   21.664349]   Bytes b4 0xc90f6d10:  00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
> [   21.674305]     Object 0xc90f6d20:  31 30 31 39 2e 30 30 35                         1019.005        
> [   21.684259]    Redzone 0xc90f6d28:  00 cc cc cc                                     .ÿÿÿÿÿÿ            

Ok. We are writing a string of length 8 to an object allocated via 
kmalloc(8). A string of 8 bytes needs a 0x00 at the end though. This makes 
it 9 bytes. The kmalloc should have been for 9 bytes!
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