CPU/Memory stress test on ADL-P causes UBSAN shift-out-of-bounds issue

Bug #1996611 reported by Jian Hui Lee
8
This bug affects 1 person
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linux-intel-iotg (Ubuntu)
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Bug Description

[Summary]
CPU/Memory stress test on ADL-P causes UBSAN shift-out-of-bounds in powercap.

[Steps to reproduce]
Run CPU or memory stress test

[Expected result]
No complaints in the kernel message

[Actual result]
Get UBSAN complaints in the kernel message

kernel: UBSAN: shift-out-of-bounds in /build/linux-intel-iotg-5.15-8e6Tf4/linux-intel-iotg-5.15-5.15.0/drivers/powercap/intel_rapl_common.c:943:33
kernel: shift exponent 18446744073709551615 is too large for 32-bit type 'int'

[Failure rate]
10%

no longer affects: linux-intel-iotg-5.15 (Ubuntu)
tags: added: lookout-canyon oem-priority originate-from-1962102
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