Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH 2/4] fs, afs: convert afs_vlocation.usage from atomic_t to refcount_t | Date | Wed, 22 Feb 2017 16:22:12 +0000 |
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Elena Reshetova <elena.reshetova@intel.com> wrote:
> refcount_t type and corresponding API should be > used instead of atomic_t when the variable is used as > a reference counter. This allows to avoid accidental > refcounter overflows that might lead to use-after-free > situations.
Please hold this patch also. An assertion failure may happen here too because afs_vlocation_lookup() may resurrect records with a refcount of 0 from the cache.
David
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