Re: [PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-06 Thread Michel Lespinasse
Adding Sasha and Bob, which I forgot to CC in the original message. On Mon, Nov 5, 2012 at 3:06 PM, Rik van Riel wrote: > On 11/05/2012 05:46 PM, Michel Lespinasse wrote: >> >> Iterate vma->anon_vma_chain without anon_vma_lock may cause NULL ptr deref >> in >> anon_vma_interval_tree_verify(),

Re: [PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-06 Thread Michel Lespinasse
Adding Sasha and Bob, which I forgot to CC in the original message. On Mon, Nov 5, 2012 at 3:06 PM, Rik van Riel r...@redhat.com wrote: On 11/05/2012 05:46 PM, Michel Lespinasse wrote: Iterate vma-anon_vma_chain without anon_vma_lock may cause NULL ptr deref in

Re: [PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-05 Thread Rik van Riel
On 11/05/2012 05:46 PM, Michel Lespinasse wrote: Iterate vma->anon_vma_chain without anon_vma_lock may cause NULL ptr deref in anon_vma_interval_tree_verify(), because the node in the chain might have been removed. [ 1523.657950] BUG: unable to handle kernel paging request at fff0 [

[PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-05 Thread Michel Lespinasse
Iterate vma->anon_vma_chain without anon_vma_lock may cause NULL ptr deref in anon_vma_interval_tree_verify(), because the node in the chain might have been removed. [ 1523.657950] BUG: unable to handle kernel paging request at fff0 [ 1523.660022] IP: []

[PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-05 Thread Michel Lespinasse
Iterate vma-anon_vma_chain without anon_vma_lock may cause NULL ptr deref in anon_vma_interval_tree_verify(), because the node in the chain might have been removed. [ 1523.657950] BUG: unable to handle kernel paging request at fff0 [ 1523.660022] IP: [8122c29c]

Re: [PATCH 01/16] mm: add anon_vma_lock to validate_mm()

2012-11-05 Thread Rik van Riel
On 11/05/2012 05:46 PM, Michel Lespinasse wrote: Iterate vma-anon_vma_chain without anon_vma_lock may cause NULL ptr deref in anon_vma_interval_tree_verify(), because the node in the chain might have been removed. [ 1523.657950] BUG: unable to handle kernel paging request at fff0 [