> The corruption was at offset 52 decimal into struct ahc_linux_device.
> Without knowing your config it is hard for me to work out what you have at
> that offset. Rebuild your kernel with -g and do:
>
> (gdb) p/d &(((struct ahc_linux_device *)0)->maxtags)
>
> until you find which member is at offset 52.
>
> Something incremented that field by one after it was freed.
(gdb) p/d &(((struct ahc_linux_device *)0)->timer.lock)
$4 = 52
That would be a lock free it appears.
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