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| author |   David Rientjes <rientjes@google.com> | 2009-01-27 18:59:46 -0800 |
|---|---|---|
| committer |   Pekka Enberg <penberg@cs.helsinki.fi> | 2009-01-28 10:43:42 +0200 |
| commit | 3718909448116bf4411445468c58acc946379f92 (patch) | |
| tree | 77d34de16274c12fb2bdcc946379a1c667f5671c /include/linux/init_task.h | |
| parent | Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff) | |
| download | linux-dev-3718909448116bf4411445468c58acc946379f92.tar.xz linux-dev-3718909448116bf4411445468c58acc946379f92.zip | |
slub: fix per cpu kmem_cache_cpu array memory leak
The per cpu array of kmem_cache_cpu structures accomodates
NR_KMEM_CACHE_CPU such structs.
When this array overflows and a struct is allocated by kmalloc(), it may
have an address at the upper bound of this array. If this happens, it
does not get freed and the per cpu kmem_cache_cpu_free pointer will be out
of bounds after kmem_cache_destroy() or cpu offlining.
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'include/linux/init_task.h')
0 files changed, 0 insertions, 0 deletions