This bug is awaiting verification that the linux-oem-6.14/6.14.0-1010.10
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-noble-linux-oem-6.14' to 'verification-done-
noble-linux-oem-6.14'. If the problem still exists, change the tag
'verification-needed-noble-linux-oem-6.14' to 'verification-failed-
noble-linux-oem-6.14'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-oem-6.14-v2 
verification-needed-noble-linux-oem-6.14

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https://bugs.launchpad.net/bugs/2119738

Title:
  [SRU] Fix kernel crash in intel-thc driver

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Triaged
Status in linux-oem-6.14 package in Ubuntu:
  Invalid
Status in linux source package in Noble:
  Won't Fix
Status in linux-oem-6.14 source package in Noble:
  Fix Committed
Status in linux source package in Plucky:
  Triaged
Status in linux-oem-6.14 source package in Plucky:
  Invalid
Status in linux source package in Questing:
  Triaged
Status in linux-oem-6.14 source package in Questing:
  Invalid

Bug description:
  [Impact]
  Kernel crash and system hang during stress test of reboot and suspend.
  Affected laptops of Intel LNL with intel-thc touchpanel installed.

  [Fix]
  It is caused by slab-out-of-bounds and stack-out-of-bounds in intel-thc 
driver.
  Fixed by:
  
https://lore.kernel.org/linux-input/[email protected]/T/#t

  [Test]
  Test on the Thinkpad X9:
  stress reboot and suspend 30x3 by checkbox.

  [Where problems could occur]
  It may cause issue in intel-thc touch panel.

  intel-thc driver is not supported in 6.8 kernel.
  SRU for 6.14-oem, plucky and questing.

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