Re: [sched-devel/latest] WARNING: at mm/slub.c:2443

[Pekka Enberg]

On Wed, Apr 23, 2008 at 9:51 AM, Pete Zaitcev <zaitcev@xxxxxxxxxx> wrote:
>  >  I looked at this whole day today, but found nothing.
>  >
>  >  The code analysis for usbmon shows nothing. Anyone wants to have
>  >  a look?

On Wed, Apr 23, 2008 at 10:31 AM, Pekka Enberg <penberg@xxxxxxxxxxxxxx> wrote:
>  I didn't look too closely but mon_text_fetch() does list_del() but no
>  kmem_cache_free() which looks fishy.

Yup, looks like a leak in the error path. So it's mon_text_read_t() ->
mon_text_read_wait() -> mon_text_fetch() that removes it from the list
but we can fail before we reach the kmem_cache_free() in
mon_text_read_t() and thus lose track of the object.
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