Possible corruption of array metadata on shutdown
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
High
|
Luis Henriques | ||
Precise |
Fix Released
|
Undecided
|
Luis Henriques | ||
Quantal |
Fix Released
|
High
|
Luis Henriques |
Bug Description
== Precise SRU Justification ==
Commit c744a65c1e2d59a
metadata be corrupted. This commit has reached precise through stable
kernel updates. The fix is already available upstreams in commit
30b8aa9172dfeaa
available in stable yet.
== Fix ==
Commit 30b8aa9172dfeaa
== Impact ==
The issue has been reported here
http://
high as it can cause severe data loss.
== Test Case ==
From the fix description:
"If, when md_notify_reboot gets the mddev lock, the array is
in a state where it is assembled but hasn't been started (as can
happen if the personality module is not available, or in other unusual
situations), then incorrect metadata will be written out making it
impossible to re-assemble the array."
CVE References
tags: | added: patch |
description: | updated |
Changed in linux (Ubuntu): | |
status: | Confirmed → In Progress |
Changed in linux (Ubuntu Precise): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Quantal): | |
status: | In Progress → Fix Released |
Changed in linux (Ubuntu Precise): | |
assignee: | nobody → Luis Henriques (henrix) |
This was a clean cherry-pick from upstream, and should be hitting the stable tree soon. Thus, marking the bug as verified.