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authorSasha Levin <sasha.levin@oracle.com>2013-11-19 17:33:02 -0500
committerBenjamin LaHaise <bcrl@kvack.org>2013-11-19 17:40:48 -0500
commitd558023207e008a4476a3b7bb8706b2a2bf5d84f (patch)
tree3099defaf443113295568a51fe6bbab72b34542c /fs/udf
parent13fd8a5dc3cfaf0699262a3b5ad4898752fe64da (diff)
aio: prevent double free in ioctx_alloc
ioctx_alloc() calls aio_setup_ring() to allocate a ring. If aio_setup_ring() fails to do so it would call aio_free_ring() before returning, but ioctx_alloc() would call aio_free_ring() again causing a double free of the ring. This is easily reproducible from userspace. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
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