[SRU][P][PATCH 0/2] Fix kernel crash in intel-thc driver

[Aaron Ma]

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

[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/20250803065726.2895470-1-aaron.ma@canonical.com/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.
These commits are in 6.17-rc4, questing already got them.
SRU for 6.14-oem and plucky.

Aaron Ma (2):
  HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length
  HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C
    regs save

 drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h | 2 ++
 drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c     | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

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2.43.0