This bug was fixed in the package linux - 5.8.0-16.17
---
linux (5.8.0-16.17) groovy; urgency=medium
* groovy/linux: 5.8.0-16.17 -proposed tracker (LP: #1891233)
* Miscellaneous Ubuntu changes
- hio -- Update to use bio_{start,end}_io_acct with 5.8+
- Enable hio driver
This change was applied during the Focal development cycle but then
reverted pending performance testing results. That performance testing
work was never finished and I'm no longer working on this bug.
** Changed in: linux (Ubuntu)
Status: Fix Committed => Triaged
** Changed in: linux
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1855336
Title:
CONFIG_DEBUG_SG should be enabled
To manage notifications
** Description changed:
-
+ Enable CONFIG_DEBUG_SG to perform sanity checks when performing
+ operations on scatterlists. If a sanity check fails a loud warning is
+ printed to the logs.
+
+ This change may help in detection of an attack that relies on
+ scatterlist manipulation.
**
