SRU: Bug #242448 - Hardy ecryptfs can cause data loss

Stefan Bader stefan.bader at
Mon Jun 23 20:20:53 UTC 2008

Tim Gardner wrote:
> SRU Justification:
> Impact: ecryptfs can cause loss of data in certain scenarios
> Patch Description: cherry-picked 2.6.25.y
> d3e49afbb66109613c3474f2273f5830ac2dcb09. The page decrypt calls in
> ecryptfs_write() are both pointless and buggy. Pointless because
> ecryptfs_get_locked_page() has already brought the page up to date, and
> buggy because prior mmap writes will just be blown away by the decrypt
> call. This patch also removes the declaration of a now-nonexistent
> function ecryptfs_write_zeros().
> Patch:
> Test Case: see Bug decscription

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