http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-
jaunty.git;a=commit;h=ddc873efd85138c99b34be4ab9552c1d72b10e94
** Changed in: linux (Ubuntu Jaunty)
Status: Triaged => Fix Committed
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NULL crypt_stat dereference during lookup
https://bugs.launchpad.net/bugs/345766
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Status in eCryptfs - Enterprise Cryptographic Filesystem: In Progress
Status in “ecryptfs-utils” source package in Ubuntu: New
Status in “linux” source package in Ubuntu: Fix Committed
Status in ecryptfs-utils in Ubuntu Jaunty: New
Status in linux in Ubuntu Jaunty: Fix Committed
Bug description:
If ecryptfs_encrypted_view or ecryptfs_xattr_metadata is being specified as
mount options, a NULL pointer dereference is possible during lookup.
Reproduce:
---
# mount -t ecryptfs lower upper
# touch upper/oops
# umout upper
# mount -t ecryptfs lower upper -o ecryptfs_encrypted_view
# ls upper/
---
You should have seen an oops after running `ls`.
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