Messages in this thread | | | Date | Tue, 20 Apr 2010 16:47:06 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH] rmap: anon_vma_prepare() can leak anon_vma_chain |
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On 04/20/2010 03:24 PM, Oleg Nesterov wrote: > If find_mergeable_anon_vma() succeeds but another thread installs > ->anon_vma before we take ptl, then allocated == NULL but avc should > be freed. Change the code to check avc != NULL to detect this case.
Good catch!
> Signed-off-by: Oleg Nesterov<oleg@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
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