[Bug 581525] Re: Lucid: system becomes unstable randomly, seems related with apparmor

[Jamie Strandboge]

SRU Justification (apparmor)

1. impact of the bug is medium for stable releases. There are two parts
to this bug: the kernel side OOPSing when a the parser generates invalid
tables, and the parser generating correct tables. The lucid kernel
should receive the fix sometime in the future, but the userspace should
also be fixed.

2. This has been addressed during the maverick development cycle.

3. This is r1392 from the apparmor-2.5 branch. The commit mistakenly
references a different bug (599450), but the text is: "Changes the table
resizing so that there is always sufficient high entries in the table,
preventing bounds violations from occurring."

4. TEST CASE: jjohansen will document the test case in a separate
comment

5. The regression potential is considered low as the patch just pads out
the table to make sure there are no bounds violations. The patch was
pushed in maverick during its development cycle and showed no
regressions. This is an important reliability fix for people who are
affected (this has affected at least one Canonical server).

-- 
Lucid: system becomes unstable randomly, seems related with apparmor
https://bugs.launchpad.net/bugs/581525
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