SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-March/090521.html
** Description changed:
- Description: qeth: check not more than 16 SBALEs on the completion queue
Symptom: Kernel crash Problem: af_iucv socket programs with HiperSockets as
transport make use of the qdio completion queue.
- Running such an af_iucv socket program may result in a crash - see #1
+ == SRU Justification ==
+ af_iucv socket programs with HiperSockets as transport make use of the qdio
completion queue.
+ Running such an af_iucv socket program may result in a crash which can be
seen
+ in bug comment #1. This issue is fixed by mainline commit 903e48531e8b.
+
+ Commit 903e48531e8b is in mailine as of 4.8-rc8, so it is only needed in
+ Xenial.
+
+ == Fix ==
+ 903e48531e8b ("qeth: check not more than 16 SBALEs on the completion queue")
+
+ == Regression Potential ==
+ Low. Limited to s390.
+
+ == Test Case ==
+ A test kernel was built with this patch and tested by the original bug
reporter.
+ The bug reporter states the test kernel resolved the bug.
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https://bugs.launchpad.net/bugs/1750568
Title:
qeth: check not more than 16 SBALEs on the completion queue
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
In Progress
Status in linux source package in Artful:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
== SRU Justification ==
af_iucv socket programs with HiperSockets as transport make use of the qdio
completion queue.
Running such an af_iucv socket program may result in a crash which can be
seen
in bug comment #1. This issue is fixed by mainline commit 903e48531e8b.
Commit 903e48531e8b is in mailine as of 4.8-rc8, so it is only needed
in Xenial.
== Fix ==
903e48531e8b ("qeth: check not more than 16 SBALEs on the completion queue")
== Regression Potential ==
Low. Limited to s390.
== Test Case ==
A test kernel was built with this patch and tested by the original bug
reporter.
The bug reporter states the test kernel resolved the bug.
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